diff --git a/.github/workflows/test-harden.yaml b/.github/workflows/test-harden.yaml
index 1698c4f..cf3f9d1 100644
--- a/.github/workflows/test-harden.yaml
+++ b/.github/workflows/test-harden.yaml
@@ -19,7 +19,7 @@ jobs:
       PDK_ROOT: /home/runner/pdk
       PROJECT_DIR: /home/runner/project
       LIBRELANE_VERSION: '2.4.2'
-      LIBRELANE_VERSION_DEV: '3.0.0.dev38'
+      LIBRELANE_VERSION_DEV: '3.0.0.dev44'
 
     steps:
       - name: Check out code
@@ -51,10 +51,6 @@ jobs:
         if: "${{ matrix.pdk == 'ihp-sg13g2' }}"
         run: git clone https://github.com/TinyTapeout/ttihp25b-factory-test ${PROJECT_DIR}
 
-      - name: Install IHP PDK
-        if: "${{ matrix.pdk == 'ihp-sg13g2' }}"
-        run: git clone -b tt2025 --depth 1 https://github.com/TinyTapeout/IHP-Open-PDK ${PDK_ROOT}
-
       - name: Configure tt_tool.py args (IHP)
         if: "${{ matrix.pdk == 'ihp-sg13g2' }}"
         run: echo "TT_TOOL_ARGS=--ihp" >> $GITHUB_ENV
diff --git a/tech.py b/tech.py
index 69d5473..ea7f0a0 100644
--- a/tech.py
+++ b/tech.py
@@ -2,8 +2,6 @@ import json
 import os
 from typing import Dict, List, Literal, Pattern, Protocol, Tuple, TypedDict, Union
 
-from git.repo import Repo
-
 TechName = Literal["sky130A", "ihp-sg13g2", "gf180mcuD"]
 
 
@@ -57,10 +55,12 @@ class Tech(Protocol):
         raise NotImplementedError()
 
 
-def parse_openpdks_pdk_version(sources_file: str) -> PDKVersionInfo:
+def parse_openpdks_pdk_version(
+    sources_file: str, expected_source: str = "open_pdks"
+) -> PDKVersionInfo:
     with open(sources_file) as f:
         pdk_source, pdk_version = f.read().strip().split(" ")
-        assert pdk_source == "open_pdks"
+        assert pdk_source == expected_source
         return PDKVersionInfo(source=pdk_source, version=pdk_version)
 
 
@@ -125,11 +125,11 @@ class Sky130Tech(Tech):
 
 class IHPTech(Tech):
     def_suffix = "pgvdd"
-    librelane_pdk_args = "--manual-pdk --pdk ihp-sg13g2"
+    librelane_pdk_args = "--pdk ihp-sg13g2"
     tt_corner = "nom_typ_1p20V_25C"
     cell_regexp = r"^\s*sg13g2_(?P<cell_name>\S+)_(?P<cell_drive>\d+)"
     netlist_type = "nl"
-    project_top_metal_layer = "Metal5"
+    project_top_metal_layer = "TopMetal1"
     librelane_config = {}
     label_layers = [
         (8, 1),  # Metal1.label
@@ -163,10 +163,8 @@ class IHPTech(Tech):
     logo_pixel_size = 0.25  # um
 
     def read_pdk_version(self, pdk_root: str) -> PDKVersionInfo:
-        pdk_repo = Repo(pdk_root)
-        pdk_repo_name = list(pdk_repo.remotes[0].urls)[0].split("/")[-1]
-        pdk_commit = pdk_repo.commit().hexsha
-        return PDKVersionInfo(source=pdk_repo_name, version=pdk_commit)
+        pdk_sources_file = os.path.join(pdk_root, "ihp-sg13g2", "SOURCES")
+        return parse_openpdks_pdk_version(pdk_sources_file, "IHP-Open-PDK")
 
     def load_cell_definitions(self) -> Dict[str, CellDefinition]:
         URL_FORMAT = "https://raw.githubusercontent.com/IHP-GmbH/IHP-Open-PDK/refs/heads/main/ihp-sg13g2/libs.ref/sg13g2_stdcell/doc/sg13g2_stdcell_typ_1p20V_25C.pdf#{ref}"
diff --git a/tech/ihp-sg13g2/def/tt_block_1x1_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_1x1_pgvdd.def
index d6af9d6..3967277 100644
--- a/tech/ihp-sg13g2/def/tt_block_1x1_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_1x1_pgvdd.def
@@ -44,17 +44,17 @@ ROW ROW_36 CoreSite 2880 139860 N DO 409 BY 1 STEP 480 0 ;
 ROW ROW_37 CoreSite 2880 143640 FS DO 409 BY 1 STEP 480 0 ;
 ROW ROW_38 CoreSite 2880 147420 N DO 409 BY 1 STEP 480 0 ;
 TRACKS X 480 DO 420 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 480 STEP 420 LAYER Metal2 ;
+TRACKS Y 420 DO 368 STEP 420 LAYER Metal1 ;
+TRACKS X 480 DO 420 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 368 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 420 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 480 STEP 420 LAYER Metal4 ;
+TRACKS Y 420 DO 368 STEP 420 LAYER Metal3 ;
+TRACKS X 480 DO 420 STEP 480 LAYER Metal4 ;
 TRACKS Y 420 DO 368 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 420 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 88 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 67 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 420 DO 368 STEP 420 LAYER Metal5 ;
+TRACKS X 1640 DO 88 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 1640 DO 67 STEP 2280 LAYER TopMetal1 ;
 TRACKS X 2000 DO 50 STEP 4000 LAYER TopMetal2 ;
 TRACKS Y 2000 DO 38 STEP 4000 LAYER TopMetal2 ;
 COMPONENTS 0 ;
@@ -62,175 +62,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 154480 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 154480 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 154480 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 154480 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 154480 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 154480 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 154480 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 154480 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 154480 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 154480 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 154480 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 154480 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 154480 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 154480 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 154480 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 154480 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 154480 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 154480 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 154480 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 154480 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 154480 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 154480 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 154480 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 154480 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 154480 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 154480 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 154480 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 154480 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 154480 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 154480 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 154480 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 154480 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 154480 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 154480 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 154480 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 154480 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 154480 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 154480 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 154480 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 154480 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 154480 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 154480 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 154480 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_1x2_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_1x2_pgvdd.def
index 86e8ece..fb21315 100644
--- a/tech/ihp-sg13g2/def/tt_block_1x2_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_1x2_pgvdd.def
@@ -86,17 +86,17 @@ ROW ROW_78 CoreSite 2880 298620 N DO 409 BY 1 STEP 480 0 ;
 ROW ROW_79 CoreSite 2880 302400 FS DO 409 BY 1 STEP 480 0 ;
 ROW ROW_80 CoreSite 2880 306180 N DO 409 BY 1 STEP 480 0 ;
 TRACKS X 480 DO 420 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 480 STEP 420 LAYER Metal2 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal1 ;
+TRACKS X 480 DO 420 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 420 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 480 STEP 420 LAYER Metal4 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal3 ;
+TRACKS X 480 DO 420 STEP 480 LAYER Metal4 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 420 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 88 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 137 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal5 ;
+TRACKS X 1640 DO 88 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 1640 DO 137 STEP 2280 LAYER TopMetal1 ;
 TRACKS X 2000 DO 50 STEP 4000 LAYER TopMetal2 ;
 TRACKS Y 2000 DO 78 STEP 4000 LAYER TopMetal2 ;
 COMPONENTS 0 ;
@@ -104,175 +104,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 313240 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 313240 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 313240 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 313240 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 313240 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 313240 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 313240 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 313240 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 313240 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 313240 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 313240 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 313240 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 313240 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 313240 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 313240 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 313240 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 313240 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 313240 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 313240 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 313240 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 313240 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 313240 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 313240 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 313240 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 313240 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 313240 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 313240 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 313240 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 313240 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 313240 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 313240 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 313240 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 313240 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 313240 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 313240 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 313240 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 313240 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 313240 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 313240 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 313240 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 313240 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 313240 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 313240 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_2x1_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_2x1_pgvdd.def
deleted file mode 100644
index b0faafc..0000000
--- a/tech/ihp-sg13g2/def/tt_block_2x1_pgvdd.def
+++ /dev/null
@@ -1,285 +0,0 @@
-VERSION 5.8 ;
-DIVIDERCHAR "/" ;
-BUSBITCHARS "[]" ;
-DESIGN tt_um_template ;
-UNITS DISTANCE MICRONS 1000 ;
-DIEAREA ( 0 0 ) ( 419520 154980 ) ;
-ROW ROW_0 CoreSite 2880 3780 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_1 CoreSite 2880 7560 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_2 CoreSite 2880 11340 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_3 CoreSite 2880 15120 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_4 CoreSite 2880 18900 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_5 CoreSite 2880 22680 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_6 CoreSite 2880 26460 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_7 CoreSite 2880 30240 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_8 CoreSite 2880 34020 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_9 CoreSite 2880 37800 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_10 CoreSite 2880 41580 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_11 CoreSite 2880 45360 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_12 CoreSite 2880 49140 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_13 CoreSite 2880 52920 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_14 CoreSite 2880 56700 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_15 CoreSite 2880 60480 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_16 CoreSite 2880 64260 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_17 CoreSite 2880 68040 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_18 CoreSite 2880 71820 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_19 CoreSite 2880 75600 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_20 CoreSite 2880 79380 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_21 CoreSite 2880 83160 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_22 CoreSite 2880 86940 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_23 CoreSite 2880 90720 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_24 CoreSite 2880 94500 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_25 CoreSite 2880 98280 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_26 CoreSite 2880 102060 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_27 CoreSite 2880 105840 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_28 CoreSite 2880 109620 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_29 CoreSite 2880 113400 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_30 CoreSite 2880 117180 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_31 CoreSite 2880 120960 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_32 CoreSite 2880 124740 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_33 CoreSite 2880 128520 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_34 CoreSite 2880 132300 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_35 CoreSite 2880 136080 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_36 CoreSite 2880 139860 N DO 862 BY 1 STEP 480 0 ;
-ROW ROW_37 CoreSite 2880 143640 FS DO 862 BY 1 STEP 480 0 ;
-ROW ROW_38 CoreSite 2880 147420 N DO 862 BY 1 STEP 480 0 ;
-TRACKS X 480 DO 873 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 998 STEP 420 LAYER Metal2 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal2 ;
-TRACKS X 480 DO 873 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 998 STEP 420 LAYER Metal4 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal4 ;
-TRACKS X 480 DO 873 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 184 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 67 STEP 2280 LAYER TopMetal1 ;
-TRACKS X 2000 DO 105 STEP 4000 LAYER TopMetal2 ;
-TRACKS Y 2000 DO 38 STEP 4000 LAYER TopMetal2 ;
-COMPONENTS 0 ;
-END COMPONENTS
-PINS 43 ;
-    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 187200 154480 ) N ;
-    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 191040 154480 ) N ;
-    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 183360 154480 ) N ;
-    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 179520 154480 ) N ;
-    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 175680 154480 ) N ;
-    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 171840 154480 ) N ;
-    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 168000 154480 ) N ;
-    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 164160 154480 ) N ;
-    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 160320 154480 ) N ;
-    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 156480 154480 ) N ;
-    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 152640 154480 ) N ;
-    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 148800 154480 ) N ;
-    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 144960 154480 ) N ;
-    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 141120 154480 ) N ;
-    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 137280 154480 ) N ;
-    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 133440 154480 ) N ;
-    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 129600 154480 ) N ;
-    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 125760 154480 ) N ;
-    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 121920 154480 ) N ;
-    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 56640 154480 ) N ;
-    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 52800 154480 ) N ;
-    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 48960 154480 ) N ;
-    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 45120 154480 ) N ;
-    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 41280 154480 ) N ;
-    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 37440 154480 ) N ;
-    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 33600 154480 ) N ;
-    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 29760 154480 ) N ;
-    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 87360 154480 ) N ;
-    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 83520 154480 ) N ;
-    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 79680 154480 ) N ;
-    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 75840 154480 ) N ;
-    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 72000 154480 ) N ;
-    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 68160 154480 ) N ;
-    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 64320 154480 ) N ;
-    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 60480 154480 ) N ;
-    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 118080 154480 ) N ;
-    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 114240 154480 ) N ;
-    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 110400 154480 ) N ;
-    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 106560 154480 ) N ;
-    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 102720 154480 ) N ;
-    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 98880 154480 ) N ;
-    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 95040 154480 ) N ;
-    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 91200 154480 ) N ;
-END PINS
-SPECIALNETS 2 ;
-    - VGND + USE GROUND ;
-    - VPWR + USE POWER ;
-END SPECIALNETS
-NETS 43 ;
-    - clk ( PIN clk ) + USE SIGNAL ;
-    - ena ( PIN ena ) + USE SIGNAL ;
-    - rst_n ( PIN rst_n ) + USE SIGNAL ;
-    - ui_in[0] ( PIN ui_in[0] ) + USE SIGNAL ;
-    - ui_in[1] ( PIN ui_in[1] ) + USE SIGNAL ;
-    - ui_in[2] ( PIN ui_in[2] ) + USE SIGNAL ;
-    - ui_in[3] ( PIN ui_in[3] ) + USE SIGNAL ;
-    - ui_in[4] ( PIN ui_in[4] ) + USE SIGNAL ;
-    - ui_in[5] ( PIN ui_in[5] ) + USE SIGNAL ;
-    - ui_in[6] ( PIN ui_in[6] ) + USE SIGNAL ;
-    - ui_in[7] ( PIN ui_in[7] ) + USE SIGNAL ;
-    - uio_in[0] ( PIN uio_in[0] ) + USE SIGNAL ;
-    - uio_in[1] ( PIN uio_in[1] ) + USE SIGNAL ;
-    - uio_in[2] ( PIN uio_in[2] ) + USE SIGNAL ;
-    - uio_in[3] ( PIN uio_in[3] ) + USE SIGNAL ;
-    - uio_in[4] ( PIN uio_in[4] ) + USE SIGNAL ;
-    - uio_in[5] ( PIN uio_in[5] ) + USE SIGNAL ;
-    - uio_in[6] ( PIN uio_in[6] ) + USE SIGNAL ;
-    - uio_in[7] ( PIN uio_in[7] ) + USE SIGNAL ;
-    - uio_oe[0] ( PIN uio_oe[0] ) + USE SIGNAL ;
-    - uio_oe[1] ( PIN uio_oe[1] ) + USE SIGNAL ;
-    - uio_oe[2] ( PIN uio_oe[2] ) + USE SIGNAL ;
-    - uio_oe[3] ( PIN uio_oe[3] ) + USE SIGNAL ;
-    - uio_oe[4] ( PIN uio_oe[4] ) + USE SIGNAL ;
-    - uio_oe[5] ( PIN uio_oe[5] ) + USE SIGNAL ;
-    - uio_oe[6] ( PIN uio_oe[6] ) + USE SIGNAL ;
-    - uio_oe[7] ( PIN uio_oe[7] ) + USE SIGNAL ;
-    - uio_out[0] ( PIN uio_out[0] ) + USE SIGNAL ;
-    - uio_out[1] ( PIN uio_out[1] ) + USE SIGNAL ;
-    - uio_out[2] ( PIN uio_out[2] ) + USE SIGNAL ;
-    - uio_out[3] ( PIN uio_out[3] ) + USE SIGNAL ;
-    - uio_out[4] ( PIN uio_out[4] ) + USE SIGNAL ;
-    - uio_out[5] ( PIN uio_out[5] ) + USE SIGNAL ;
-    - uio_out[6] ( PIN uio_out[6] ) + USE SIGNAL ;
-    - uio_out[7] ( PIN uio_out[7] ) + USE SIGNAL ;
-    - uo_out[0] ( PIN uo_out[0] ) + USE SIGNAL ;
-    - uo_out[1] ( PIN uo_out[1] ) + USE SIGNAL ;
-    - uo_out[2] ( PIN uo_out[2] ) + USE SIGNAL ;
-    - uo_out[3] ( PIN uo_out[3] ) + USE SIGNAL ;
-    - uo_out[4] ( PIN uo_out[4] ) + USE SIGNAL ;
-    - uo_out[5] ( PIN uo_out[5] ) + USE SIGNAL ;
-    - uo_out[6] ( PIN uo_out[6] ) + USE SIGNAL ;
-    - uo_out[7] ( PIN uo_out[7] ) + USE SIGNAL ;
-END NETS
-END DESIGN
diff --git a/tech/ihp-sg13g2/def/tt_block_2x2_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_2x2_pgvdd.def
index 26163e8..6df20bd 100644
--- a/tech/ihp-sg13g2/def/tt_block_2x2_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_2x2_pgvdd.def
@@ -86,17 +86,17 @@ ROW ROW_78 CoreSite 2880 298620 N DO 862 BY 1 STEP 480 0 ;
 ROW ROW_79 CoreSite 2880 302400 FS DO 862 BY 1 STEP 480 0 ;
 ROW ROW_80 CoreSite 2880 306180 N DO 862 BY 1 STEP 480 0 ;
 TRACKS X 480 DO 873 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 998 STEP 420 LAYER Metal2 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal1 ;
+TRACKS X 480 DO 873 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 873 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 998 STEP 420 LAYER Metal4 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal3 ;
+TRACKS X 480 DO 873 STEP 480 LAYER Metal4 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 873 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 184 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 137 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal5 ;
+TRACKS X 1640 DO 183 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 1640 DO 137 STEP 2280 LAYER TopMetal1 ;
 TRACKS X 2000 DO 105 STEP 4000 LAYER TopMetal2 ;
 TRACKS Y 2000 DO 78 STEP 4000 LAYER TopMetal2 ;
 COMPONENTS 0 ;
@@ -104,175 +104,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 313240 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 313240 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 313240 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 313240 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 313240 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 313240 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 313240 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 313240 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 313240 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 313240 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 313240 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 313240 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 313240 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 313240 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 313240 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 313240 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 313240 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 313240 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 313240 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 313240 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 313240 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 313240 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 313240 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 313240 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 313240 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 313240 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 313240 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 313240 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 313240 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 313240 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 313240 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 313240 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 313240 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 313240 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 313240 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 313240 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 313240 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 313240 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 313240 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 313240 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 313240 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 313240 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 313240 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_3x1_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_3x1_pgvdd.def
deleted file mode 100644
index 74a33a5..0000000
--- a/tech/ihp-sg13g2/def/tt_block_3x1_pgvdd.def
+++ /dev/null
@@ -1,285 +0,0 @@
-VERSION 5.8 ;
-DIVIDERCHAR "/" ;
-BUSBITCHARS "[]" ;
-DESIGN tt_um_template ;
-UNITS DISTANCE MICRONS 1000 ;
-DIEAREA ( 0 0 ) ( 636960 154980 ) ;
-ROW ROW_0 CoreSite 2880 3780 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_1 CoreSite 2880 7560 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_2 CoreSite 2880 11340 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_3 CoreSite 2880 15120 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_4 CoreSite 2880 18900 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_5 CoreSite 2880 22680 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_6 CoreSite 2880 26460 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_7 CoreSite 2880 30240 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_8 CoreSite 2880 34020 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_9 CoreSite 2880 37800 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_10 CoreSite 2880 41580 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_11 CoreSite 2880 45360 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_12 CoreSite 2880 49140 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_13 CoreSite 2880 52920 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_14 CoreSite 2880 56700 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_15 CoreSite 2880 60480 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_16 CoreSite 2880 64260 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_17 CoreSite 2880 68040 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_18 CoreSite 2880 71820 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_19 CoreSite 2880 75600 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_20 CoreSite 2880 79380 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_21 CoreSite 2880 83160 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_22 CoreSite 2880 86940 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_23 CoreSite 2880 90720 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_24 CoreSite 2880 94500 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_25 CoreSite 2880 98280 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_26 CoreSite 2880 102060 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_27 CoreSite 2880 105840 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_28 CoreSite 2880 109620 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_29 CoreSite 2880 113400 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_30 CoreSite 2880 117180 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_31 CoreSite 2880 120960 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_32 CoreSite 2880 124740 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_33 CoreSite 2880 128520 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_34 CoreSite 2880 132300 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_35 CoreSite 2880 136080 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_36 CoreSite 2880 139860 N DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_37 CoreSite 2880 143640 FS DO 1315 BY 1 STEP 480 0 ;
-ROW ROW_38 CoreSite 2880 147420 N DO 1315 BY 1 STEP 480 0 ;
-TRACKS X 480 DO 1326 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 1516 STEP 420 LAYER Metal2 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal2 ;
-TRACKS X 480 DO 1326 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 1516 STEP 420 LAYER Metal4 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal4 ;
-TRACKS X 480 DO 1326 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 279 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 67 STEP 2280 LAYER TopMetal1 ;
-TRACKS X 2000 DO 159 STEP 4000 LAYER TopMetal2 ;
-TRACKS Y 2000 DO 38 STEP 4000 LAYER TopMetal2 ;
-COMPONENTS 0 ;
-END COMPONENTS
-PINS 43 ;
-    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 187200 154480 ) N ;
-    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 191040 154480 ) N ;
-    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 183360 154480 ) N ;
-    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 179520 154480 ) N ;
-    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 175680 154480 ) N ;
-    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 171840 154480 ) N ;
-    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 168000 154480 ) N ;
-    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 164160 154480 ) N ;
-    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 160320 154480 ) N ;
-    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 156480 154480 ) N ;
-    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 152640 154480 ) N ;
-    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 148800 154480 ) N ;
-    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 144960 154480 ) N ;
-    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 141120 154480 ) N ;
-    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 137280 154480 ) N ;
-    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 133440 154480 ) N ;
-    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 129600 154480 ) N ;
-    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 125760 154480 ) N ;
-    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 121920 154480 ) N ;
-    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 56640 154480 ) N ;
-    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 52800 154480 ) N ;
-    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 48960 154480 ) N ;
-    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 45120 154480 ) N ;
-    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 41280 154480 ) N ;
-    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 37440 154480 ) N ;
-    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 33600 154480 ) N ;
-    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 29760 154480 ) N ;
-    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 87360 154480 ) N ;
-    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 83520 154480 ) N ;
-    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 79680 154480 ) N ;
-    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 75840 154480 ) N ;
-    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 72000 154480 ) N ;
-    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 68160 154480 ) N ;
-    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 64320 154480 ) N ;
-    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 60480 154480 ) N ;
-    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 118080 154480 ) N ;
-    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 114240 154480 ) N ;
-    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 110400 154480 ) N ;
-    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 106560 154480 ) N ;
-    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 102720 154480 ) N ;
-    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 98880 154480 ) N ;
-    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 95040 154480 ) N ;
-    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 91200 154480 ) N ;
-END PINS
-SPECIALNETS 2 ;
-    - VGND + USE GROUND ;
-    - VPWR + USE POWER ;
-END SPECIALNETS
-NETS 43 ;
-    - clk ( PIN clk ) + USE SIGNAL ;
-    - ena ( PIN ena ) + USE SIGNAL ;
-    - rst_n ( PIN rst_n ) + USE SIGNAL ;
-    - ui_in[0] ( PIN ui_in[0] ) + USE SIGNAL ;
-    - ui_in[1] ( PIN ui_in[1] ) + USE SIGNAL ;
-    - ui_in[2] ( PIN ui_in[2] ) + USE SIGNAL ;
-    - ui_in[3] ( PIN ui_in[3] ) + USE SIGNAL ;
-    - ui_in[4] ( PIN ui_in[4] ) + USE SIGNAL ;
-    - ui_in[5] ( PIN ui_in[5] ) + USE SIGNAL ;
-    - ui_in[6] ( PIN ui_in[6] ) + USE SIGNAL ;
-    - ui_in[7] ( PIN ui_in[7] ) + USE SIGNAL ;
-    - uio_in[0] ( PIN uio_in[0] ) + USE SIGNAL ;
-    - uio_in[1] ( PIN uio_in[1] ) + USE SIGNAL ;
-    - uio_in[2] ( PIN uio_in[2] ) + USE SIGNAL ;
-    - uio_in[3] ( PIN uio_in[3] ) + USE SIGNAL ;
-    - uio_in[4] ( PIN uio_in[4] ) + USE SIGNAL ;
-    - uio_in[5] ( PIN uio_in[5] ) + USE SIGNAL ;
-    - uio_in[6] ( PIN uio_in[6] ) + USE SIGNAL ;
-    - uio_in[7] ( PIN uio_in[7] ) + USE SIGNAL ;
-    - uio_oe[0] ( PIN uio_oe[0] ) + USE SIGNAL ;
-    - uio_oe[1] ( PIN uio_oe[1] ) + USE SIGNAL ;
-    - uio_oe[2] ( PIN uio_oe[2] ) + USE SIGNAL ;
-    - uio_oe[3] ( PIN uio_oe[3] ) + USE SIGNAL ;
-    - uio_oe[4] ( PIN uio_oe[4] ) + USE SIGNAL ;
-    - uio_oe[5] ( PIN uio_oe[5] ) + USE SIGNAL ;
-    - uio_oe[6] ( PIN uio_oe[6] ) + USE SIGNAL ;
-    - uio_oe[7] ( PIN uio_oe[7] ) + USE SIGNAL ;
-    - uio_out[0] ( PIN uio_out[0] ) + USE SIGNAL ;
-    - uio_out[1] ( PIN uio_out[1] ) + USE SIGNAL ;
-    - uio_out[2] ( PIN uio_out[2] ) + USE SIGNAL ;
-    - uio_out[3] ( PIN uio_out[3] ) + USE SIGNAL ;
-    - uio_out[4] ( PIN uio_out[4] ) + USE SIGNAL ;
-    - uio_out[5] ( PIN uio_out[5] ) + USE SIGNAL ;
-    - uio_out[6] ( PIN uio_out[6] ) + USE SIGNAL ;
-    - uio_out[7] ( PIN uio_out[7] ) + USE SIGNAL ;
-    - uo_out[0] ( PIN uo_out[0] ) + USE SIGNAL ;
-    - uo_out[1] ( PIN uo_out[1] ) + USE SIGNAL ;
-    - uo_out[2] ( PIN uo_out[2] ) + USE SIGNAL ;
-    - uo_out[3] ( PIN uo_out[3] ) + USE SIGNAL ;
-    - uo_out[4] ( PIN uo_out[4] ) + USE SIGNAL ;
-    - uo_out[5] ( PIN uo_out[5] ) + USE SIGNAL ;
-    - uo_out[6] ( PIN uo_out[6] ) + USE SIGNAL ;
-    - uo_out[7] ( PIN uo_out[7] ) + USE SIGNAL ;
-END NETS
-END DESIGN
diff --git a/tech/ihp-sg13g2/def/tt_block_3x2_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_3x2_pgvdd.def
index be5b6c6..55e2b8b 100644
--- a/tech/ihp-sg13g2/def/tt_block_3x2_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_3x2_pgvdd.def
@@ -86,17 +86,17 @@ ROW ROW_78 CoreSite 2880 298620 N DO 1315 BY 1 STEP 480 0 ;
 ROW ROW_79 CoreSite 2880 302400 FS DO 1315 BY 1 STEP 480 0 ;
 ROW ROW_80 CoreSite 2880 306180 N DO 1315 BY 1 STEP 480 0 ;
 TRACKS X 480 DO 1326 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 1516 STEP 420 LAYER Metal2 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal1 ;
+TRACKS X 480 DO 1326 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 1326 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 1516 STEP 420 LAYER Metal4 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal3 ;
+TRACKS X 480 DO 1326 STEP 480 LAYER Metal4 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 1326 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 279 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 137 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal5 ;
+TRACKS X 1640 DO 279 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 1640 DO 137 STEP 2280 LAYER TopMetal1 ;
 TRACKS X 2000 DO 159 STEP 4000 LAYER TopMetal2 ;
 TRACKS Y 2000 DO 78 STEP 4000 LAYER TopMetal2 ;
 COMPONENTS 0 ;
@@ -104,175 +104,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 313240 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 313240 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 313240 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 313240 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 313240 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 313240 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 313240 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 313240 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 313240 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 313240 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 313240 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 313240 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 313240 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 313240 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 313240 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 313240 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 313240 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 313240 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 313240 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 313240 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 313240 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 313240 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 313240 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 313240 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 313240 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 313240 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 313240 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 313240 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 313240 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 313240 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 313240 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 313240 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 313240 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 313240 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 313240 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 313240 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 313240 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 313240 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 313240 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 313240 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 313240 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 313240 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 313240 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_3x4_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_3x4_pgvdd.def
index 5b455be..1581196 100644
--- a/tech/ihp-sg13g2/def/tt_block_3x4_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_3x4_pgvdd.def
@@ -196,8 +196,8 @@ TRACKS X 480 DO 1326 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 1691 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 1326 STEP 480 LAYER Metal3 ;
 TRACKS Y 420 DO 1691 STEP 420 LAYER Metal3 ;
-TRACKS X 480 DO 1326 STEP 480 LAYER Metal5 ;
-TRACKS Y 420 DO 1691 STEP 420 LAYER Metal5 ;
+TRACKS X 480 DO 1326 STEP 480 LAYER Metal4 ;
+TRACKS Y 420 DO 1691 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 1326 STEP 480 LAYER Metal5 ;
 TRACKS Y 420 DO 1691 STEP 420 LAYER Metal5 ;
 TRACKS X 1640 DO 279 STEP 2280 LAYER TopMetal1 ;
@@ -209,175 +209,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 710140 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 710140 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 710140 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 710140 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 710140 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 710140 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 710140 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 710140 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 710140 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 710140 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 710140 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 710140 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 710140 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 710140 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 710140 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 710140 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 710140 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 710140 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 710140 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 710140 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 710140 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 710140 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 710140 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 710140 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 710140 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 710140 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 710140 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 710140 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 710140 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 710140 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 710140 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 710140 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 710140 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 710140 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 710140 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 710140 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 710140 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 710140 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 710140 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 710140 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 710140 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 710140 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 710140 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_4x1_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_4x1_pgvdd.def
deleted file mode 100644
index f204ae5..0000000
--- a/tech/ihp-sg13g2/def/tt_block_4x1_pgvdd.def
+++ /dev/null
@@ -1,285 +0,0 @@
-VERSION 5.8 ;
-DIVIDERCHAR "/" ;
-BUSBITCHARS "[]" ;
-DESIGN tt_um_template ;
-UNITS DISTANCE MICRONS 1000 ;
-DIEAREA ( 0 0 ) ( 854400 154980 ) ;
-ROW ROW_0 CoreSite 2880 3780 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_1 CoreSite 2880 7560 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_2 CoreSite 2880 11340 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_3 CoreSite 2880 15120 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_4 CoreSite 2880 18900 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_5 CoreSite 2880 22680 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_6 CoreSite 2880 26460 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_7 CoreSite 2880 30240 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_8 CoreSite 2880 34020 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_9 CoreSite 2880 37800 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_10 CoreSite 2880 41580 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_11 CoreSite 2880 45360 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_12 CoreSite 2880 49140 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_13 CoreSite 2880 52920 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_14 CoreSite 2880 56700 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_15 CoreSite 2880 60480 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_16 CoreSite 2880 64260 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_17 CoreSite 2880 68040 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_18 CoreSite 2880 71820 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_19 CoreSite 2880 75600 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_20 CoreSite 2880 79380 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_21 CoreSite 2880 83160 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_22 CoreSite 2880 86940 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_23 CoreSite 2880 90720 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_24 CoreSite 2880 94500 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_25 CoreSite 2880 98280 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_26 CoreSite 2880 102060 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_27 CoreSite 2880 105840 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_28 CoreSite 2880 109620 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_29 CoreSite 2880 113400 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_30 CoreSite 2880 117180 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_31 CoreSite 2880 120960 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_32 CoreSite 2880 124740 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_33 CoreSite 2880 128520 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_34 CoreSite 2880 132300 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_35 CoreSite 2880 136080 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_36 CoreSite 2880 139860 N DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_37 CoreSite 2880 143640 FS DO 1768 BY 1 STEP 480 0 ;
-ROW ROW_38 CoreSite 2880 147420 N DO 1768 BY 1 STEP 480 0 ;
-TRACKS X 480 DO 1779 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 2034 STEP 420 LAYER Metal2 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal2 ;
-TRACKS X 480 DO 1779 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 2034 STEP 420 LAYER Metal4 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal4 ;
-TRACKS X 480 DO 1779 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 374 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 67 STEP 2280 LAYER TopMetal1 ;
-TRACKS X 2000 DO 213 STEP 4000 LAYER TopMetal2 ;
-TRACKS Y 2000 DO 38 STEP 4000 LAYER TopMetal2 ;
-COMPONENTS 0 ;
-END COMPONENTS
-PINS 43 ;
-    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 187200 154480 ) N ;
-    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 191040 154480 ) N ;
-    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 183360 154480 ) N ;
-    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 179520 154480 ) N ;
-    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 175680 154480 ) N ;
-    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 171840 154480 ) N ;
-    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 168000 154480 ) N ;
-    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 164160 154480 ) N ;
-    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 160320 154480 ) N ;
-    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 156480 154480 ) N ;
-    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 152640 154480 ) N ;
-    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 148800 154480 ) N ;
-    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 144960 154480 ) N ;
-    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 141120 154480 ) N ;
-    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 137280 154480 ) N ;
-    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 133440 154480 ) N ;
-    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 129600 154480 ) N ;
-    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 125760 154480 ) N ;
-    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 121920 154480 ) N ;
-    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 56640 154480 ) N ;
-    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 52800 154480 ) N ;
-    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 48960 154480 ) N ;
-    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 45120 154480 ) N ;
-    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 41280 154480 ) N ;
-    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 37440 154480 ) N ;
-    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 33600 154480 ) N ;
-    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 29760 154480 ) N ;
-    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 87360 154480 ) N ;
-    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 83520 154480 ) N ;
-    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 79680 154480 ) N ;
-    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 75840 154480 ) N ;
-    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 72000 154480 ) N ;
-    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 68160 154480 ) N ;
-    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 64320 154480 ) N ;
-    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 60480 154480 ) N ;
-    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 118080 154480 ) N ;
-    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 114240 154480 ) N ;
-    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 110400 154480 ) N ;
-    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 106560 154480 ) N ;
-    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 102720 154480 ) N ;
-    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 98880 154480 ) N ;
-    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 95040 154480 ) N ;
-    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 91200 154480 ) N ;
-END PINS
-SPECIALNETS 2 ;
-    - VGND + USE GROUND ;
-    - VPWR + USE POWER ;
-END SPECIALNETS
-NETS 43 ;
-    - clk ( PIN clk ) + USE SIGNAL ;
-    - ena ( PIN ena ) + USE SIGNAL ;
-    - rst_n ( PIN rst_n ) + USE SIGNAL ;
-    - ui_in[0] ( PIN ui_in[0] ) + USE SIGNAL ;
-    - ui_in[1] ( PIN ui_in[1] ) + USE SIGNAL ;
-    - ui_in[2] ( PIN ui_in[2] ) + USE SIGNAL ;
-    - ui_in[3] ( PIN ui_in[3] ) + USE SIGNAL ;
-    - ui_in[4] ( PIN ui_in[4] ) + USE SIGNAL ;
-    - ui_in[5] ( PIN ui_in[5] ) + USE SIGNAL ;
-    - ui_in[6] ( PIN ui_in[6] ) + USE SIGNAL ;
-    - ui_in[7] ( PIN ui_in[7] ) + USE SIGNAL ;
-    - uio_in[0] ( PIN uio_in[0] ) + USE SIGNAL ;
-    - uio_in[1] ( PIN uio_in[1] ) + USE SIGNAL ;
-    - uio_in[2] ( PIN uio_in[2] ) + USE SIGNAL ;
-    - uio_in[3] ( PIN uio_in[3] ) + USE SIGNAL ;
-    - uio_in[4] ( PIN uio_in[4] ) + USE SIGNAL ;
-    - uio_in[5] ( PIN uio_in[5] ) + USE SIGNAL ;
-    - uio_in[6] ( PIN uio_in[6] ) + USE SIGNAL ;
-    - uio_in[7] ( PIN uio_in[7] ) + USE SIGNAL ;
-    - uio_oe[0] ( PIN uio_oe[0] ) + USE SIGNAL ;
-    - uio_oe[1] ( PIN uio_oe[1] ) + USE SIGNAL ;
-    - uio_oe[2] ( PIN uio_oe[2] ) + USE SIGNAL ;
-    - uio_oe[3] ( PIN uio_oe[3] ) + USE SIGNAL ;
-    - uio_oe[4] ( PIN uio_oe[4] ) + USE SIGNAL ;
-    - uio_oe[5] ( PIN uio_oe[5] ) + USE SIGNAL ;
-    - uio_oe[6] ( PIN uio_oe[6] ) + USE SIGNAL ;
-    - uio_oe[7] ( PIN uio_oe[7] ) + USE SIGNAL ;
-    - uio_out[0] ( PIN uio_out[0] ) + USE SIGNAL ;
-    - uio_out[1] ( PIN uio_out[1] ) + USE SIGNAL ;
-    - uio_out[2] ( PIN uio_out[2] ) + USE SIGNAL ;
-    - uio_out[3] ( PIN uio_out[3] ) + USE SIGNAL ;
-    - uio_out[4] ( PIN uio_out[4] ) + USE SIGNAL ;
-    - uio_out[5] ( PIN uio_out[5] ) + USE SIGNAL ;
-    - uio_out[6] ( PIN uio_out[6] ) + USE SIGNAL ;
-    - uio_out[7] ( PIN uio_out[7] ) + USE SIGNAL ;
-    - uo_out[0] ( PIN uo_out[0] ) + USE SIGNAL ;
-    - uo_out[1] ( PIN uo_out[1] ) + USE SIGNAL ;
-    - uo_out[2] ( PIN uo_out[2] ) + USE SIGNAL ;
-    - uo_out[3] ( PIN uo_out[3] ) + USE SIGNAL ;
-    - uo_out[4] ( PIN uo_out[4] ) + USE SIGNAL ;
-    - uo_out[5] ( PIN uo_out[5] ) + USE SIGNAL ;
-    - uo_out[6] ( PIN uo_out[6] ) + USE SIGNAL ;
-    - uo_out[7] ( PIN uo_out[7] ) + USE SIGNAL ;
-END NETS
-END DESIGN
diff --git a/tech/ihp-sg13g2/def/tt_block_4x2_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_4x2_pgvdd.def
index c09c30f..705f0b6 100644
--- a/tech/ihp-sg13g2/def/tt_block_4x2_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_4x2_pgvdd.def
@@ -86,17 +86,17 @@ ROW ROW_78 CoreSite 2880 298620 N DO 1768 BY 1 STEP 480 0 ;
 ROW ROW_79 CoreSite 2880 302400 FS DO 1768 BY 1 STEP 480 0 ;
 ROW ROW_80 CoreSite 2880 306180 N DO 1768 BY 1 STEP 480 0 ;
 TRACKS X 480 DO 1779 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 2034 STEP 420 LAYER Metal2 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal1 ;
+TRACKS X 480 DO 1779 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 1779 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 2034 STEP 420 LAYER Metal4 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal3 ;
+TRACKS X 480 DO 1779 STEP 480 LAYER Metal4 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 1779 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 374 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 137 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal5 ;
+TRACKS X 1640 DO 374 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 1640 DO 137 STEP 2280 LAYER TopMetal1 ;
 TRACKS X 2000 DO 213 STEP 4000 LAYER TopMetal2 ;
 TRACKS Y 2000 DO 78 STEP 4000 LAYER TopMetal2 ;
 COMPONENTS 0 ;
@@ -104,175 +104,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 313240 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 313240 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 313240 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 313240 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 313240 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 313240 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 313240 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 313240 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 313240 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 313240 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 313240 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 313240 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 313240 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 313240 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 313240 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 313240 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 313240 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 313240 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 313240 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 313240 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 313240 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 313240 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 313240 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 313240 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 313240 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 313240 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 313240 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 313240 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 313240 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 313240 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 313240 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 313240 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 313240 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 313240 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 313240 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 313240 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 313240 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 313240 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 313240 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 313240 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 313240 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 313240 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 313240 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_4x4_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_4x4_pgvdd.def
index 23aa03e..f9c3e23 100644
--- a/tech/ihp-sg13g2/def/tt_block_4x4_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_4x4_pgvdd.def
@@ -196,8 +196,8 @@ TRACKS X 480 DO 1779 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 1691 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 1779 STEP 480 LAYER Metal3 ;
 TRACKS Y 420 DO 1691 STEP 420 LAYER Metal3 ;
-TRACKS X 480 DO 1779 STEP 480 LAYER Metal5 ;
-TRACKS Y 420 DO 1691 STEP 420 LAYER Metal5 ;
+TRACKS X 480 DO 1779 STEP 480 LAYER Metal4 ;
+TRACKS Y 420 DO 1691 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 1779 STEP 480 LAYER Metal5 ;
 TRACKS Y 420 DO 1691 STEP 420 LAYER Metal5 ;
 TRACKS X 1640 DO 374 STEP 2280 LAYER TopMetal1 ;
@@ -209,175 +209,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 710140 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 710140 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 710140 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 710140 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 710140 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 710140 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 710140 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 710140 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 710140 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 710140 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 710140 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 710140 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 710140 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 710140 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 710140 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 710140 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 710140 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 710140 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 710140 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 710140 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 710140 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 710140 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 710140 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 710140 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 710140 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 710140 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 710140 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 710140 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 710140 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 710140 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 710140 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 710140 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 710140 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 710140 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 710140 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 710140 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 710140 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 710140 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 710140 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 710140 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 710140 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 710140 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 710140 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_5x4_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_5x4_pgvdd.def
index f985434..b20e884 100644
--- a/tech/ihp-sg13g2/def/tt_block_5x4_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_5x4_pgvdd.def
@@ -196,8 +196,8 @@ TRACKS X 480 DO 2232 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 1691 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 2232 STEP 480 LAYER Metal3 ;
 TRACKS Y 420 DO 1691 STEP 420 LAYER Metal3 ;
-TRACKS X 480 DO 2232 STEP 480 LAYER Metal5 ;
-TRACKS Y 420 DO 1691 STEP 420 LAYER Metal5 ;
+TRACKS X 480 DO 2232 STEP 480 LAYER Metal4 ;
+TRACKS Y 420 DO 1691 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 2232 STEP 480 LAYER Metal5 ;
 TRACKS Y 420 DO 1691 STEP 420 LAYER Metal5 ;
 TRACKS X 1640 DO 470 STEP 2280 LAYER TopMetal1 ;
@@ -209,175 +209,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 710140 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 710140 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 710140 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 710140 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 710140 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 710140 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 710140 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 710140 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 710140 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 710140 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 710140 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 710140 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 710140 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 710140 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 710140 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 710140 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 710140 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 710140 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 710140 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 710140 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 710140 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 710140 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 710140 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 710140 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 710140 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 710140 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 710140 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 710140 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 710140 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 710140 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 710140 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 710140 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 710140 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 710140 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 710140 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 710140 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 710140 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 710140 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 710140 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 710140 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 710140 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 710140 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 710140 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_6x1_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_6x1_pgvdd.def
deleted file mode 100644
index d43e05d..0000000
--- a/tech/ihp-sg13g2/def/tt_block_6x1_pgvdd.def
+++ /dev/null
@@ -1,285 +0,0 @@
-VERSION 5.8 ;
-DIVIDERCHAR "/" ;
-BUSBITCHARS "[]" ;
-DESIGN tt_um_template ;
-UNITS DISTANCE MICRONS 1000 ;
-DIEAREA ( 0 0 ) ( 1289280 154980 ) ;
-ROW ROW_0 CoreSite 2880 3780 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_1 CoreSite 2880 7560 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_2 CoreSite 2880 11340 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_3 CoreSite 2880 15120 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_4 CoreSite 2880 18900 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_5 CoreSite 2880 22680 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_6 CoreSite 2880 26460 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_7 CoreSite 2880 30240 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_8 CoreSite 2880 34020 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_9 CoreSite 2880 37800 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_10 CoreSite 2880 41580 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_11 CoreSite 2880 45360 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_12 CoreSite 2880 49140 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_13 CoreSite 2880 52920 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_14 CoreSite 2880 56700 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_15 CoreSite 2880 60480 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_16 CoreSite 2880 64260 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_17 CoreSite 2880 68040 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_18 CoreSite 2880 71820 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_19 CoreSite 2880 75600 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_20 CoreSite 2880 79380 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_21 CoreSite 2880 83160 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_22 CoreSite 2880 86940 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_23 CoreSite 2880 90720 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_24 CoreSite 2880 94500 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_25 CoreSite 2880 98280 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_26 CoreSite 2880 102060 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_27 CoreSite 2880 105840 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_28 CoreSite 2880 109620 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_29 CoreSite 2880 113400 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_30 CoreSite 2880 117180 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_31 CoreSite 2880 120960 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_32 CoreSite 2880 124740 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_33 CoreSite 2880 128520 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_34 CoreSite 2880 132300 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_35 CoreSite 2880 136080 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_36 CoreSite 2880 139860 N DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_37 CoreSite 2880 143640 FS DO 2674 BY 1 STEP 480 0 ;
-ROW ROW_38 CoreSite 2880 147420 N DO 2674 BY 1 STEP 480 0 ;
-TRACKS X 480 DO 2685 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 3069 STEP 420 LAYER Metal2 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal2 ;
-TRACKS X 480 DO 2685 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 3069 STEP 420 LAYER Metal4 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal4 ;
-TRACKS X 480 DO 2685 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 565 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 67 STEP 2280 LAYER TopMetal1 ;
-TRACKS X 2000 DO 322 STEP 4000 LAYER TopMetal2 ;
-TRACKS Y 2000 DO 38 STEP 4000 LAYER TopMetal2 ;
-COMPONENTS 0 ;
-END COMPONENTS
-PINS 43 ;
-    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 187200 154480 ) N ;
-    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 191040 154480 ) N ;
-    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 183360 154480 ) N ;
-    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 179520 154480 ) N ;
-    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 175680 154480 ) N ;
-    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 171840 154480 ) N ;
-    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 168000 154480 ) N ;
-    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 164160 154480 ) N ;
-    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 160320 154480 ) N ;
-    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 156480 154480 ) N ;
-    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 152640 154480 ) N ;
-    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 148800 154480 ) N ;
-    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 144960 154480 ) N ;
-    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 141120 154480 ) N ;
-    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 137280 154480 ) N ;
-    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 133440 154480 ) N ;
-    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 129600 154480 ) N ;
-    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 125760 154480 ) N ;
-    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 121920 154480 ) N ;
-    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 56640 154480 ) N ;
-    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 52800 154480 ) N ;
-    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 48960 154480 ) N ;
-    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 45120 154480 ) N ;
-    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 41280 154480 ) N ;
-    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 37440 154480 ) N ;
-    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 33600 154480 ) N ;
-    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 29760 154480 ) N ;
-    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 87360 154480 ) N ;
-    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 83520 154480 ) N ;
-    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 79680 154480 ) N ;
-    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 75840 154480 ) N ;
-    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 72000 154480 ) N ;
-    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 68160 154480 ) N ;
-    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 64320 154480 ) N ;
-    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 60480 154480 ) N ;
-    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 118080 154480 ) N ;
-    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 114240 154480 ) N ;
-    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 110400 154480 ) N ;
-    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 106560 154480 ) N ;
-    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 102720 154480 ) N ;
-    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 98880 154480 ) N ;
-    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 95040 154480 ) N ;
-    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 91200 154480 ) N ;
-END PINS
-SPECIALNETS 2 ;
-    - VGND + USE GROUND ;
-    - VPWR + USE POWER ;
-END SPECIALNETS
-NETS 43 ;
-    - clk ( PIN clk ) + USE SIGNAL ;
-    - ena ( PIN ena ) + USE SIGNAL ;
-    - rst_n ( PIN rst_n ) + USE SIGNAL ;
-    - ui_in[0] ( PIN ui_in[0] ) + USE SIGNAL ;
-    - ui_in[1] ( PIN ui_in[1] ) + USE SIGNAL ;
-    - ui_in[2] ( PIN ui_in[2] ) + USE SIGNAL ;
-    - ui_in[3] ( PIN ui_in[3] ) + USE SIGNAL ;
-    - ui_in[4] ( PIN ui_in[4] ) + USE SIGNAL ;
-    - ui_in[5] ( PIN ui_in[5] ) + USE SIGNAL ;
-    - ui_in[6] ( PIN ui_in[6] ) + USE SIGNAL ;
-    - ui_in[7] ( PIN ui_in[7] ) + USE SIGNAL ;
-    - uio_in[0] ( PIN uio_in[0] ) + USE SIGNAL ;
-    - uio_in[1] ( PIN uio_in[1] ) + USE SIGNAL ;
-    - uio_in[2] ( PIN uio_in[2] ) + USE SIGNAL ;
-    - uio_in[3] ( PIN uio_in[3] ) + USE SIGNAL ;
-    - uio_in[4] ( PIN uio_in[4] ) + USE SIGNAL ;
-    - uio_in[5] ( PIN uio_in[5] ) + USE SIGNAL ;
-    - uio_in[6] ( PIN uio_in[6] ) + USE SIGNAL ;
-    - uio_in[7] ( PIN uio_in[7] ) + USE SIGNAL ;
-    - uio_oe[0] ( PIN uio_oe[0] ) + USE SIGNAL ;
-    - uio_oe[1] ( PIN uio_oe[1] ) + USE SIGNAL ;
-    - uio_oe[2] ( PIN uio_oe[2] ) + USE SIGNAL ;
-    - uio_oe[3] ( PIN uio_oe[3] ) + USE SIGNAL ;
-    - uio_oe[4] ( PIN uio_oe[4] ) + USE SIGNAL ;
-    - uio_oe[5] ( PIN uio_oe[5] ) + USE SIGNAL ;
-    - uio_oe[6] ( PIN uio_oe[6] ) + USE SIGNAL ;
-    - uio_oe[7] ( PIN uio_oe[7] ) + USE SIGNAL ;
-    - uio_out[0] ( PIN uio_out[0] ) + USE SIGNAL ;
-    - uio_out[1] ( PIN uio_out[1] ) + USE SIGNAL ;
-    - uio_out[2] ( PIN uio_out[2] ) + USE SIGNAL ;
-    - uio_out[3] ( PIN uio_out[3] ) + USE SIGNAL ;
-    - uio_out[4] ( PIN uio_out[4] ) + USE SIGNAL ;
-    - uio_out[5] ( PIN uio_out[5] ) + USE SIGNAL ;
-    - uio_out[6] ( PIN uio_out[6] ) + USE SIGNAL ;
-    - uio_out[7] ( PIN uio_out[7] ) + USE SIGNAL ;
-    - uo_out[0] ( PIN uo_out[0] ) + USE SIGNAL ;
-    - uo_out[1] ( PIN uo_out[1] ) + USE SIGNAL ;
-    - uo_out[2] ( PIN uo_out[2] ) + USE SIGNAL ;
-    - uo_out[3] ( PIN uo_out[3] ) + USE SIGNAL ;
-    - uo_out[4] ( PIN uo_out[4] ) + USE SIGNAL ;
-    - uo_out[5] ( PIN uo_out[5] ) + USE SIGNAL ;
-    - uo_out[6] ( PIN uo_out[6] ) + USE SIGNAL ;
-    - uo_out[7] ( PIN uo_out[7] ) + USE SIGNAL ;
-END NETS
-END DESIGN
diff --git a/tech/ihp-sg13g2/def/tt_block_6x2_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_6x2_pgvdd.def
index 20db7d8..180d549 100644
--- a/tech/ihp-sg13g2/def/tt_block_6x2_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_6x2_pgvdd.def
@@ -86,17 +86,17 @@ ROW ROW_78 CoreSite 2880 298620 N DO 2674 BY 1 STEP 480 0 ;
 ROW ROW_79 CoreSite 2880 302400 FS DO 2674 BY 1 STEP 480 0 ;
 ROW ROW_80 CoreSite 2880 306180 N DO 2674 BY 1 STEP 480 0 ;
 TRACKS X 480 DO 2685 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 3069 STEP 420 LAYER Metal2 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal1 ;
+TRACKS X 480 DO 2685 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 2685 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 3069 STEP 420 LAYER Metal4 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal3 ;
+TRACKS X 480 DO 2685 STEP 480 LAYER Metal4 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 2685 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 565 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 137 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal5 ;
+TRACKS X 1640 DO 565 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 1640 DO 137 STEP 2280 LAYER TopMetal1 ;
 TRACKS X 2000 DO 322 STEP 4000 LAYER TopMetal2 ;
 TRACKS Y 2000 DO 78 STEP 4000 LAYER TopMetal2 ;
 COMPONENTS 0 ;
@@ -104,175 +104,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 313240 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 313240 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 313240 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 313240 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 313240 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 313240 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 313240 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 313240 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 313240 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 313240 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 313240 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 313240 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 313240 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 313240 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 313240 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 313240 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 313240 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 313240 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 313240 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 313240 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 313240 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 313240 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 313240 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 313240 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 313240 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 313240 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 313240 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 313240 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 313240 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 313240 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 313240 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 313240 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 313240 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 313240 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 313240 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 313240 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 313240 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 313240 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 313240 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 313240 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 313240 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 313240 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 313240 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_6x4_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_6x4_pgvdd.def
index 3549053..02b2824 100644
--- a/tech/ihp-sg13g2/def/tt_block_6x4_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_6x4_pgvdd.def
@@ -209,175 +209,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 710140 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 710140 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 710140 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 710140 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 710140 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 710140 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 710140 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 710140 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 710140 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 710140 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 710140 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 710140 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 710140 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 710140 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 710140 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 710140 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 710140 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 710140 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 710140 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 710140 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 710140 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 710140 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 710140 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 710140 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 710140 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 710140 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 710140 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 710140 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 710140 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 710140 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 710140 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 710140 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 710140 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 710140 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 710140 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 710140 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 710140 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 710140 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 710140 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 710140 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 710140 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 710140 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 710140 ) N ;
 END PINS
 SPECIALNETS 2 ;
diff --git a/tech/ihp-sg13g2/def/tt_block_8x1_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_8x1_pgvdd.def
deleted file mode 100644
index e1549b8..0000000
--- a/tech/ihp-sg13g2/def/tt_block_8x1_pgvdd.def
+++ /dev/null
@@ -1,285 +0,0 @@
-VERSION 5.8 ;
-DIVIDERCHAR "/" ;
-BUSBITCHARS "[]" ;
-DESIGN tt_um_template ;
-UNITS DISTANCE MICRONS 1000 ;
-DIEAREA ( 0 0 ) ( 1724160 154980 ) ;
-ROW ROW_0 CoreSite 2880 3780 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_1 CoreSite 2880 7560 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_2 CoreSite 2880 11340 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_3 CoreSite 2880 15120 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_4 CoreSite 2880 18900 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_5 CoreSite 2880 22680 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_6 CoreSite 2880 26460 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_7 CoreSite 2880 30240 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_8 CoreSite 2880 34020 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_9 CoreSite 2880 37800 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_10 CoreSite 2880 41580 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_11 CoreSite 2880 45360 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_12 CoreSite 2880 49140 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_13 CoreSite 2880 52920 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_14 CoreSite 2880 56700 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_15 CoreSite 2880 60480 FS DO 3580 BY 1 STEP 480 0 ;
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-ROW ROW_17 CoreSite 2880 68040 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_18 CoreSite 2880 71820 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_19 CoreSite 2880 75600 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_20 CoreSite 2880 79380 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_21 CoreSite 2880 83160 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_22 CoreSite 2880 86940 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_23 CoreSite 2880 90720 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_24 CoreSite 2880 94500 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_25 CoreSite 2880 98280 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_26 CoreSite 2880 102060 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_27 CoreSite 2880 105840 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_28 CoreSite 2880 109620 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_29 CoreSite 2880 113400 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_30 CoreSite 2880 117180 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_31 CoreSite 2880 120960 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_32 CoreSite 2880 124740 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_33 CoreSite 2880 128520 FS DO 3580 BY 1 STEP 480 0 ;
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-ROW ROW_36 CoreSite 2880 139860 N DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_37 CoreSite 2880 143640 FS DO 3580 BY 1 STEP 480 0 ;
-ROW ROW_38 CoreSite 2880 147420 N DO 3580 BY 1 STEP 480 0 ;
-TRACKS X 480 DO 3591 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 4104 STEP 420 LAYER Metal2 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal2 ;
-TRACKS X 480 DO 3591 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 4104 STEP 420 LAYER Metal4 ;
-TRACKS Y 420 DO 368 STEP 420 LAYER Metal4 ;
-TRACKS X 480 DO 3591 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 322 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 756 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 67 STEP 2280 LAYER TopMetal1 ;
-TRACKS X 2000 DO 431 STEP 4000 LAYER TopMetal2 ;
-TRACKS Y 2000 DO 38 STEP 4000 LAYER TopMetal2 ;
-COMPONENTS 0 ;
-END COMPONENTS
-PINS 43 ;
-    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 187200 154480 ) N ;
-    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 191040 154480 ) N ;
-    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 183360 154480 ) N ;
-    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 179520 154480 ) N ;
-    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 175680 154480 ) N ;
-    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 171840 154480 ) N ;
-    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 168000 154480 ) N ;
-    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 164160 154480 ) N ;
-    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 160320 154480 ) N ;
-    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 156480 154480 ) N ;
-    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 152640 154480 ) N ;
-    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 148800 154480 ) N ;
-    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 144960 154480 ) N ;
-    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 141120 154480 ) N ;
-    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 137280 154480 ) N ;
-    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 133440 154480 ) N ;
-    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 129600 154480 ) N ;
-    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 125760 154480 ) N ;
-    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 121920 154480 ) N ;
-    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 56640 154480 ) N ;
-    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 52800 154480 ) N ;
-    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 48960 154480 ) N ;
-    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 45120 154480 ) N ;
-    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 41280 154480 ) N ;
-    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 37440 154480 ) N ;
-    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 33600 154480 ) N ;
-    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 29760 154480 ) N ;
-    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 87360 154480 ) N ;
-    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 83520 154480 ) N ;
-    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 79680 154480 ) N ;
-    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 75840 154480 ) N ;
-    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 72000 154480 ) N ;
-    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 68160 154480 ) N ;
-    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 64320 154480 ) N ;
-    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 60480 154480 ) N ;
-    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 118080 154480 ) N ;
-    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 114240 154480 ) N ;
-    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 110400 154480 ) N ;
-    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 106560 154480 ) N ;
-    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 102720 154480 ) N ;
-    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 98880 154480 ) N ;
-    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 95040 154480 ) N ;
-    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
-      + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
-        + PLACED ( 91200 154480 ) N ;
-END PINS
-SPECIALNETS 2 ;
-    - VGND + USE GROUND ;
-    - VPWR + USE POWER ;
-END SPECIALNETS
-NETS 43 ;
-    - clk ( PIN clk ) + USE SIGNAL ;
-    - ena ( PIN ena ) + USE SIGNAL ;
-    - rst_n ( PIN rst_n ) + USE SIGNAL ;
-    - ui_in[0] ( PIN ui_in[0] ) + USE SIGNAL ;
-    - ui_in[1] ( PIN ui_in[1] ) + USE SIGNAL ;
-    - ui_in[2] ( PIN ui_in[2] ) + USE SIGNAL ;
-    - ui_in[3] ( PIN ui_in[3] ) + USE SIGNAL ;
-    - ui_in[4] ( PIN ui_in[4] ) + USE SIGNAL ;
-    - ui_in[5] ( PIN ui_in[5] ) + USE SIGNAL ;
-    - ui_in[6] ( PIN ui_in[6] ) + USE SIGNAL ;
-    - ui_in[7] ( PIN ui_in[7] ) + USE SIGNAL ;
-    - uio_in[0] ( PIN uio_in[0] ) + USE SIGNAL ;
-    - uio_in[1] ( PIN uio_in[1] ) + USE SIGNAL ;
-    - uio_in[2] ( PIN uio_in[2] ) + USE SIGNAL ;
-    - uio_in[3] ( PIN uio_in[3] ) + USE SIGNAL ;
-    - uio_in[4] ( PIN uio_in[4] ) + USE SIGNAL ;
-    - uio_in[5] ( PIN uio_in[5] ) + USE SIGNAL ;
-    - uio_in[6] ( PIN uio_in[6] ) + USE SIGNAL ;
-    - uio_in[7] ( PIN uio_in[7] ) + USE SIGNAL ;
-    - uio_oe[0] ( PIN uio_oe[0] ) + USE SIGNAL ;
-    - uio_oe[1] ( PIN uio_oe[1] ) + USE SIGNAL ;
-    - uio_oe[2] ( PIN uio_oe[2] ) + USE SIGNAL ;
-    - uio_oe[3] ( PIN uio_oe[3] ) + USE SIGNAL ;
-    - uio_oe[4] ( PIN uio_oe[4] ) + USE SIGNAL ;
-    - uio_oe[5] ( PIN uio_oe[5] ) + USE SIGNAL ;
-    - uio_oe[6] ( PIN uio_oe[6] ) + USE SIGNAL ;
-    - uio_oe[7] ( PIN uio_oe[7] ) + USE SIGNAL ;
-    - uio_out[0] ( PIN uio_out[0] ) + USE SIGNAL ;
-    - uio_out[1] ( PIN uio_out[1] ) + USE SIGNAL ;
-    - uio_out[2] ( PIN uio_out[2] ) + USE SIGNAL ;
-    - uio_out[3] ( PIN uio_out[3] ) + USE SIGNAL ;
-    - uio_out[4] ( PIN uio_out[4] ) + USE SIGNAL ;
-    - uio_out[5] ( PIN uio_out[5] ) + USE SIGNAL ;
-    - uio_out[6] ( PIN uio_out[6] ) + USE SIGNAL ;
-    - uio_out[7] ( PIN uio_out[7] ) + USE SIGNAL ;
-    - uo_out[0] ( PIN uo_out[0] ) + USE SIGNAL ;
-    - uo_out[1] ( PIN uo_out[1] ) + USE SIGNAL ;
-    - uo_out[2] ( PIN uo_out[2] ) + USE SIGNAL ;
-    - uo_out[3] ( PIN uo_out[3] ) + USE SIGNAL ;
-    - uo_out[4] ( PIN uo_out[4] ) + USE SIGNAL ;
-    - uo_out[5] ( PIN uo_out[5] ) + USE SIGNAL ;
-    - uo_out[6] ( PIN uo_out[6] ) + USE SIGNAL ;
-    - uo_out[7] ( PIN uo_out[7] ) + USE SIGNAL ;
-END NETS
-END DESIGN
diff --git a/tech/ihp-sg13g2/def/tt_block_8x2_pgvdd.def b/tech/ihp-sg13g2/def/tt_block_8x2_pgvdd.def
index a9b071a..6037869 100644
--- a/tech/ihp-sg13g2/def/tt_block_8x2_pgvdd.def
+++ b/tech/ihp-sg13g2/def/tt_block_8x2_pgvdd.def
@@ -86,17 +86,17 @@ ROW ROW_78 CoreSite 2880 298620 N DO 3580 BY 1 STEP 480 0 ;
 ROW ROW_79 CoreSite 2880 302400 FS DO 3580 BY 1 STEP 480 0 ;
 ROW ROW_80 CoreSite 2880 306180 N DO 3580 BY 1 STEP 480 0 ;
 TRACKS X 480 DO 3591 STEP 480 LAYER Metal1 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal1 ;
-TRACKS X 420 DO 4104 STEP 420 LAYER Metal2 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal1 ;
+TRACKS X 480 DO 3591 STEP 480 LAYER Metal2 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal2 ;
 TRACKS X 480 DO 3591 STEP 480 LAYER Metal3 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal3 ;
-TRACKS X 420 DO 4104 STEP 420 LAYER Metal4 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal3 ;
+TRACKS X 480 DO 3591 STEP 480 LAYER Metal4 ;
 TRACKS Y 420 DO 746 STEP 420 LAYER Metal4 ;
 TRACKS X 480 DO 3591 STEP 480 LAYER Metal5 ;
-TRACKS Y 480 DO 653 STEP 480 LAYER Metal5 ;
-TRACKS X 1460 DO 756 STEP 2280 LAYER TopMetal1 ;
-TRACKS Y 1460 DO 137 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 420 DO 746 STEP 420 LAYER Metal5 ;
+TRACKS X 1640 DO 756 STEP 2280 LAYER TopMetal1 ;
+TRACKS Y 1640 DO 137 STEP 2280 LAYER TopMetal1 ;
 TRACKS X 2000 DO 431 STEP 4000 LAYER TopMetal2 ;
 TRACKS Y 2000 DO 78 STEP 4000 LAYER TopMetal2 ;
 COMPONENTS 0 ;
@@ -104,175 +104,175 @@ END COMPONENTS
 PINS 43 ;
     - clk + NET clk + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 187200 313240 ) N ;
     - ena + NET ena + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 191040 313240 ) N ;
     - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 183360 313240 ) N ;
     - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 179520 313240 ) N ;
     - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 175680 313240 ) N ;
     - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 171840 313240 ) N ;
     - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 168000 313240 ) N ;
     - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 164160 313240 ) N ;
     - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 160320 313240 ) N ;
     - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 156480 313240 ) N ;
     - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 152640 313240 ) N ;
     - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 148800 313240 ) N ;
     - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 144960 313240 ) N ;
     - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 141120 313240 ) N ;
     - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 137280 313240 ) N ;
     - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 133440 313240 ) N ;
     - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 129600 313240 ) N ;
     - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 125760 313240 ) N ;
     - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 121920 313240 ) N ;
     - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 56640 313240 ) N ;
     - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 52800 313240 ) N ;
     - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 48960 313240 ) N ;
     - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 45120 313240 ) N ;
     - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 41280 313240 ) N ;
     - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 37440 313240 ) N ;
     - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 33600 313240 ) N ;
     - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 29760 313240 ) N ;
     - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 87360 313240 ) N ;
     - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 83520 313240 ) N ;
     - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 79680 313240 ) N ;
     - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 75840 313240 ) N ;
     - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 72000 313240 ) N ;
     - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 68160 313240 ) N ;
     - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 64320 313240 ) N ;
     - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 60480 313240 ) N ;
     - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 118080 313240 ) N ;
     - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 114240 313240 ) N ;
     - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 110400 313240 ) N ;
     - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 106560 313240 ) N ;
     - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 102720 313240 ) N ;
     - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 98880 313240 ) N ;
     - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 95040 313240 ) N ;
     - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
       + PORT
-        + LAYER Metal5 ( -150 -500 ) ( 150 500 )
+        + LAYER Metal4 ( -150 -500 ) ( 150 500 )
         + PLACED ( 91200 313240 ) N ;
 END PINS
 SPECIALNETS 2 ;