diff --git a/tech.py b/tech.py
index 95898a9..a6698f8 100644
--- a/tech.py
+++ b/tech.py
@@ -4,7 +4,7 @@ from typing import Dict, List, Literal, Protocol, Tuple, TypedDict
 
 from git.repo import Repo
 
-TechName = Literal["sky130A", "ihp-sg13g2"]
+TechName = Literal["sky130A", "ihp-sg13g2", "gf180mcuD"]
 
 
 class CellDefinition(TypedDict):
@@ -150,7 +150,46 @@ class IHPTech(Tech):
         return cells
 
 
+class GF180MCUDTech(Tech):
+    def_suffix = "pgvdd"
+    librelane_pdk_args = "--pdk gf180mcuD"
+    tt_corner = "nom_tt_025C_5v00"
+    cell_regexp = r"gf180mcu_(?P<cell_lib>\S+)__(?P<cell_name>\S+)_(?P<cell_drive>\d+)"
+    netlist_type = "pnl"
+    project_top_metal_layer = "Metal4"
+    label_layers = [
+        # TODO: add label layers
+    ]
+    buried_layers = [
+        # TODO: add buried layers
+    ]
+    mux_config_yaml_name = "gf180mcuD.yaml"
+    mux_macros = [
+        "pg/gf180mcuD/tt_pg_1v8_hp_1",
+        "pg/gf180mcuD/tt_pg_1v8_hp_2",
+        "pg/gf180mcuD/tt_pg_1v8_hp_4",
+        "pg/gf180mcuD/tt_pg_1v8_ll_1",
+        "pg/gf180mcuD/tt_pg_1v8_ll_2",
+        "pg/gf180mcuD/tt_pg_1v8_ll_4",
+    ]
+    extra_logo_macros = []
+
+    def read_pdk_version(self, pdk_root: str) -> PDKVersionInfo:
+        pdk_sources_file = os.path.join(pdk_root, "gf180mcuD", "SOURCES")
+        return parse_openpdks_pdk_version(pdk_sources_file)
+
+    def load_cell_definitions(self) -> Dict[str, CellDefinition]:
+        URL_FORMAT = "https://skywater-pdk.readthedocs.io/en/main/contents/libraries/sky130_fd_sc_hd/cells/{name}/README.html"
+        script_dir = os.path.dirname(os.path.realpath(__file__))
+        with open(os.path.join(script_dir, "tech/sky130A/cells.json")) as fh:
+            cells = json.load(fh)
+        for name, cell in cells.items():
+            cell["url"] = URL_FORMAT.format(name=name)
+        return cells
+
+
 tech_map: dict[TechName, Tech] = {
-    "sky130A": Sky130Tech(),
     "ihp-sg13g2": IHPTech(),
+    "gf180mcuD": GF180MCUDTech(),
+    "sky130A": Sky130Tech(),
 }
diff --git a/tech/gf180mcuD/def/tt_block_1x1_pgvdd.def b/tech/gf180mcuD/def/tt_block_1x1_pgvdd.def
new file mode 100644
index 0000000..ba869cc
--- /dev/null
+++ b/tech/gf180mcuD/def/tt_block_1x1_pgvdd.def
@@ -0,0 +1,232 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN tt_um_template ;
+UNITS DISTANCE MICRONS 2000 ;
+DIEAREA ( 0 0 ) ( 693280 321440 ) ;
+COMPONENTS 0 ;
+END COMPONENTS
+PINS 43 ;
+    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 626080 320440 ) N ;
+    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 640640 320440 ) N ;
+    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 611520 320440 ) N ;
+    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 596960 320440 ) N ;
+    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 582400 320440 ) N ;
+    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 567840 320440 ) N ;
+    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 553280 320440 ) N ;
+    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 538720 320440 ) N ;
+    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 524160 320440 ) N ;
+    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 509600 320440 ) N ;
+    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 495040 320440 ) N ;
+    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 480480 320440 ) N ;
+    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 465920 320440 ) N ;
+    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 451360 320440 ) N ;
+    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 436800 320440 ) N ;
+    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 422240 320440 ) N ;
+    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 407680 320440 ) N ;
+    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 393120 320440 ) N ;
+    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 378560 320440 ) N ;
+    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 131040 320440 ) N ;
+    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 116480 320440 ) N ;
+    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 101920 320440 ) N ;
+    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 87360 320440 ) N ;
+    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 72800 320440 ) N ;
+    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 58240 320440 ) N ;
+    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 43680 320440 ) N ;
+    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 29120 320440 ) N ;
+    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 247520 320440 ) N ;
+    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 232960 320440 ) N ;
+    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 218400 320440 ) N ;
+    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 203840 320440 ) N ;
+    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 189280 320440 ) N ;
+    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 174720 320440 ) N ;
+    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 160160 320440 ) N ;
+    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 145600 320440 ) N ;
+    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 364000 320440 ) N ;
+    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 349440 320440 ) N ;
+    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 334880 320440 ) N ;
+    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 320320 320440 ) N ;
+    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 305760 320440 ) N ;
+    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 291200 320440 ) N ;
+    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 276640 320440 ) N ;
+    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 262080 320440 ) N ;
+END PINS
+SPECIALNETS 2 ;
+    - VDD + USE POWER ;
+    - VSS + USE GROUND ;
+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/gf180mcuD/def/tt_block_1x2_pgvdd.def b/tech/gf180mcuD/def/tt_block_1x2_pgvdd.def
new file mode 100644
index 0000000..f26b93b
--- /dev/null
+++ b/tech/gf180mcuD/def/tt_block_1x2_pgvdd.def
@@ -0,0 +1,232 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN tt_um_template ;
+UNITS DISTANCE MICRONS 2000 ;
+DIEAREA ( 0 0 ) ( 693280 650720 ) ;
+COMPONENTS 0 ;
+END COMPONENTS
+PINS 43 ;
+    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 626080 649720 ) N ;
+    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 640640 649720 ) N ;
+    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 611520 649720 ) N ;
+    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 596960 649720 ) N ;
+    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 582400 649720 ) N ;
+    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 567840 649720 ) N ;
+    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 553280 649720 ) N ;
+    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 538720 649720 ) N ;
+    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 524160 649720 ) N ;
+    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 509600 649720 ) N ;
+    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 495040 649720 ) N ;
+    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 480480 649720 ) N ;
+    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 465920 649720 ) N ;
+    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 451360 649720 ) N ;
+    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 436800 649720 ) N ;
+    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 422240 649720 ) N ;
+    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 407680 649720 ) N ;
+    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 393120 649720 ) N ;
+    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 378560 649720 ) N ;
+    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 131040 649720 ) N ;
+    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 116480 649720 ) N ;
+    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 101920 649720 ) N ;
+    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 87360 649720 ) N ;
+    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 72800 649720 ) N ;
+    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 58240 649720 ) N ;
+    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 43680 649720 ) N ;
+    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 29120 649720 ) N ;
+    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 247520 649720 ) N ;
+    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 232960 649720 ) N ;
+    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 218400 649720 ) N ;
+    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 203840 649720 ) N ;
+    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 189280 649720 ) N ;
+    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 174720 649720 ) N ;
+    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 160160 649720 ) N ;
+    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 145600 649720 ) N ;
+    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 364000 649720 ) N ;
+    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 349440 649720 ) N ;
+    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 334880 649720 ) N ;
+    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 320320 649720 ) N ;
+    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 305760 649720 ) N ;
+    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 291200 649720 ) N ;
+    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 276640 649720 ) N ;
+    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 262080 649720 ) N ;
+END PINS
+SPECIALNETS 2 ;
+    - VDD + USE POWER ;
+    - VSS + USE GROUND ;
+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/gf180mcuD/def/tt_block_2x2_pgvdd.def b/tech/gf180mcuD/def/tt_block_2x2_pgvdd.def
new file mode 100644
index 0000000..91bb9fb
--- /dev/null
+++ b/tech/gf180mcuD/def/tt_block_2x2_pgvdd.def
@@ -0,0 +1,232 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN tt_um_template ;
+UNITS DISTANCE MICRONS 2000 ;
+DIEAREA ( 0 0 ) ( 1422400 650720 ) ;
+COMPONENTS 0 ;
+END COMPONENTS
+PINS 43 ;
+    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 626080 649720 ) N ;
+    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 640640 649720 ) N ;
+    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 611520 649720 ) N ;
+    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 596960 649720 ) N ;
+    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 582400 649720 ) N ;
+    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 567840 649720 ) N ;
+    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 553280 649720 ) N ;
+    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 538720 649720 ) N ;
+    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 524160 649720 ) N ;
+    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 509600 649720 ) N ;
+    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 495040 649720 ) N ;
+    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 480480 649720 ) N ;
+    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 465920 649720 ) N ;
+    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 451360 649720 ) N ;
+    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 436800 649720 ) N ;
+    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 422240 649720 ) N ;
+    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 407680 649720 ) N ;
+    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 393120 649720 ) N ;
+    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 378560 649720 ) N ;
+    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 131040 649720 ) N ;
+    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 116480 649720 ) N ;
+    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 101920 649720 ) N ;
+    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 87360 649720 ) N ;
+    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 72800 649720 ) N ;
+    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 58240 649720 ) N ;
+    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 43680 649720 ) N ;
+    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 29120 649720 ) N ;
+    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 247520 649720 ) N ;
+    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 232960 649720 ) N ;
+    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 218400 649720 ) N ;
+    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 203840 649720 ) N ;
+    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 189280 649720 ) N ;
+    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 174720 649720 ) N ;
+    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 160160 649720 ) N ;
+    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 145600 649720 ) N ;
+    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 364000 649720 ) N ;
+    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 349440 649720 ) N ;
+    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 334880 649720 ) N ;
+    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 320320 649720 ) N ;
+    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 305760 649720 ) N ;
+    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 291200 649720 ) N ;
+    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 276640 649720 ) N ;
+    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 262080 649720 ) N ;
+END PINS
+SPECIALNETS 2 ;
+    - VDD + USE POWER ;
+    - VSS + USE GROUND ;
+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/gf180mcuD/def/tt_block_3x2_pgvdd.def b/tech/gf180mcuD/def/tt_block_3x2_pgvdd.def
new file mode 100644
index 0000000..103331c
--- /dev/null
+++ b/tech/gf180mcuD/def/tt_block_3x2_pgvdd.def
@@ -0,0 +1,232 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN tt_um_template ;
+UNITS DISTANCE MICRONS 2000 ;
+DIEAREA ( 0 0 ) ( 2151520 650720 ) ;
+COMPONENTS 0 ;
+END COMPONENTS
+PINS 43 ;
+    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 626080 649720 ) N ;
+    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 640640 649720 ) N ;
+    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 611520 649720 ) N ;
+    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 596960 649720 ) N ;
+    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 582400 649720 ) N ;
+    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 567840 649720 ) N ;
+    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 553280 649720 ) N ;
+    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 538720 649720 ) N ;
+    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 524160 649720 ) N ;
+    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 509600 649720 ) N ;
+    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 495040 649720 ) N ;
+    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 480480 649720 ) N ;
+    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 465920 649720 ) N ;
+    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 451360 649720 ) N ;
+    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 436800 649720 ) N ;
+    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 422240 649720 ) N ;
+    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 407680 649720 ) N ;
+    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 393120 649720 ) N ;
+    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 378560 649720 ) N ;
+    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 131040 649720 ) N ;
+    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 116480 649720 ) N ;
+    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 101920 649720 ) N ;
+    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 87360 649720 ) N ;
+    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 72800 649720 ) N ;
+    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 58240 649720 ) N ;
+    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 43680 649720 ) N ;
+    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 29120 649720 ) N ;
+    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 247520 649720 ) N ;
+    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 232960 649720 ) N ;
+    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 218400 649720 ) N ;
+    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 203840 649720 ) N ;
+    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 189280 649720 ) N ;
+    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 174720 649720 ) N ;
+    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 160160 649720 ) N ;
+    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 145600 649720 ) N ;
+    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 364000 649720 ) N ;
+    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 349440 649720 ) N ;
+    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 334880 649720 ) N ;
+    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 320320 649720 ) N ;
+    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 305760 649720 ) N ;
+    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 291200 649720 ) N ;
+    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 276640 649720 ) N ;
+    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 262080 649720 ) N ;
+END PINS
+SPECIALNETS 2 ;
+    - VDD + USE POWER ;
+    - VSS + USE GROUND ;
+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/gf180mcuD/def/tt_block_3x4_pgvdd.def b/tech/gf180mcuD/def/tt_block_3x4_pgvdd.def
new file mode 100644
index 0000000..b607736
--- /dev/null
+++ b/tech/gf180mcuD/def/tt_block_3x4_pgvdd.def
@@ -0,0 +1,232 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN tt_um_template ;
+UNITS DISTANCE MICRONS 2000 ;
+DIEAREA ( 0 0 ) ( 2151520 1473920 ) ;
+COMPONENTS 0 ;
+END COMPONENTS
+PINS 43 ;
+    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 626080 1472920 ) N ;
+    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 640640 1472920 ) N ;
+    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 611520 1472920 ) N ;
+    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 596960 1472920 ) N ;
+    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 582400 1472920 ) N ;
+    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 567840 1472920 ) N ;
+    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 553280 1472920 ) N ;
+    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 538720 1472920 ) N ;
+    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 524160 1472920 ) N ;
+    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 509600 1472920 ) N ;
+    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 495040 1472920 ) N ;
+    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 480480 1472920 ) N ;
+    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 465920 1472920 ) N ;
+    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 451360 1472920 ) N ;
+    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 436800 1472920 ) N ;
+    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 422240 1472920 ) N ;
+    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 407680 1472920 ) N ;
+    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 393120 1472920 ) N ;
+    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 378560 1472920 ) N ;
+    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 131040 1472920 ) N ;
+    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 116480 1472920 ) N ;
+    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 101920 1472920 ) N ;
+    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 87360 1472920 ) N ;
+    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 72800 1472920 ) N ;
+    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 58240 1472920 ) N ;
+    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 43680 1472920 ) N ;
+    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 29120 1472920 ) N ;
+    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 247520 1472920 ) N ;
+    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 232960 1472920 ) N ;
+    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 218400 1472920 ) N ;
+    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 203840 1472920 ) N ;
+    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 189280 1472920 ) N ;
+    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 174720 1472920 ) N ;
+    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 160160 1472920 ) N ;
+    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 145600 1472920 ) N ;
+    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 364000 1472920 ) N ;
+    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 349440 1472920 ) N ;
+    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 334880 1472920 ) N ;
+    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 320320 1472920 ) N ;
+    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 305760 1472920 ) N ;
+    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 291200 1472920 ) N ;
+    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 276640 1472920 ) N ;
+    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 262080 1472920 ) N ;
+END PINS
+SPECIALNETS 2 ;
+    - VDD + USE POWER ;
+    - VSS + USE GROUND ;
+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/gf180mcuD/def/tt_block_4x2_pgvdd.def b/tech/gf180mcuD/def/tt_block_4x2_pgvdd.def
new file mode 100644
index 0000000..a2a5b27
--- /dev/null
+++ b/tech/gf180mcuD/def/tt_block_4x2_pgvdd.def
@@ -0,0 +1,232 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN tt_um_template ;
+UNITS DISTANCE MICRONS 2000 ;
+DIEAREA ( 0 0 ) ( 2880640 650720 ) ;
+COMPONENTS 0 ;
+END COMPONENTS
+PINS 43 ;
+    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 626080 649720 ) N ;
+    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 640640 649720 ) N ;
+    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 611520 649720 ) N ;
+    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 596960 649720 ) N ;
+    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 582400 649720 ) N ;
+    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 567840 649720 ) N ;
+    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 553280 649720 ) N ;
+    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 538720 649720 ) N ;
+    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 524160 649720 ) N ;
+    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 509600 649720 ) N ;
+    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 495040 649720 ) N ;
+    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 480480 649720 ) N ;
+    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 465920 649720 ) N ;
+    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 451360 649720 ) N ;
+    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 436800 649720 ) N ;
+    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 422240 649720 ) N ;
+    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 407680 649720 ) N ;
+    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 393120 649720 ) N ;
+    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 378560 649720 ) N ;
+    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 131040 649720 ) N ;
+    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 116480 649720 ) N ;
+    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 101920 649720 ) N ;
+    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 87360 649720 ) N ;
+    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 72800 649720 ) N ;
+    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 58240 649720 ) N ;
+    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 43680 649720 ) N ;
+    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 29120 649720 ) N ;
+    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 247520 649720 ) N ;
+    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 232960 649720 ) N ;
+    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 218400 649720 ) N ;
+    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 203840 649720 ) N ;
+    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 189280 649720 ) N ;
+    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 174720 649720 ) N ;
+    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 160160 649720 ) N ;
+    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 145600 649720 ) N ;
+    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 364000 649720 ) N ;
+    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 349440 649720 ) N ;
+    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 334880 649720 ) N ;
+    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 320320 649720 ) N ;
+    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 305760 649720 ) N ;
+    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 291200 649720 ) N ;
+    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 276640 649720 ) N ;
+    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 262080 649720 ) N ;
+END PINS
+SPECIALNETS 2 ;
+    - VDD + USE POWER ;
+    - VSS + USE GROUND ;
+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/gf180mcuD/def/tt_block_4x4_pgvdd.def b/tech/gf180mcuD/def/tt_block_4x4_pgvdd.def
new file mode 100644
index 0000000..c78fe15
--- /dev/null
+++ b/tech/gf180mcuD/def/tt_block_4x4_pgvdd.def
@@ -0,0 +1,232 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN tt_um_template ;
+UNITS DISTANCE MICRONS 2000 ;
+DIEAREA ( 0 0 ) ( 2880640 1473920 ) ;
+COMPONENTS 0 ;
+END COMPONENTS
+PINS 43 ;
+    - clk + NET clk + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 626080 1472920 ) N ;
+    - ena + NET ena + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 640640 1472920 ) N ;
+    - rst_n + NET rst_n + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 611520 1472920 ) N ;
+    - ui_in[0] + NET ui_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 596960 1472920 ) N ;
+    - ui_in[1] + NET ui_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 582400 1472920 ) N ;
+    - ui_in[2] + NET ui_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 567840 1472920 ) N ;
+    - ui_in[3] + NET ui_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 553280 1472920 ) N ;
+    - ui_in[4] + NET ui_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 538720 1472920 ) N ;
+    - ui_in[5] + NET ui_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 524160 1472920 ) N ;
+    - ui_in[6] + NET ui_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 509600 1472920 ) N ;
+    - ui_in[7] + NET ui_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 495040 1472920 ) N ;
+    - uio_in[0] + NET uio_in[0] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 480480 1472920 ) N ;
+    - uio_in[1] + NET uio_in[1] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 465920 1472920 ) N ;
+    - uio_in[2] + NET uio_in[2] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 451360 1472920 ) N ;
+    - uio_in[3] + NET uio_in[3] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 436800 1472920 ) N ;
+    - uio_in[4] + NET uio_in[4] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 422240 1472920 ) N ;
+    - uio_in[5] + NET uio_in[5] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 407680 1472920 ) N ;
+    - uio_in[6] + NET uio_in[6] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 393120 1472920 ) N ;
+    - uio_in[7] + NET uio_in[7] + DIRECTION INPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 378560 1472920 ) N ;
+    - uio_oe[0] + NET uio_oe[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 131040 1472920 ) N ;
+    - uio_oe[1] + NET uio_oe[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 116480 1472920 ) N ;
+    - uio_oe[2] + NET uio_oe[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 101920 1472920 ) N ;
+    - uio_oe[3] + NET uio_oe[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 87360 1472920 ) N ;
+    - uio_oe[4] + NET uio_oe[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 72800 1472920 ) N ;
+    - uio_oe[5] + NET uio_oe[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 58240 1472920 ) N ;
+    - uio_oe[6] + NET uio_oe[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 43680 1472920 ) N ;
+    - uio_oe[7] + NET uio_oe[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 29120 1472920 ) N ;
+    - uio_out[0] + NET uio_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 247520 1472920 ) N ;
+    - uio_out[1] + NET uio_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 232960 1472920 ) N ;
+    - uio_out[2] + NET uio_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 218400 1472920 ) N ;
+    - uio_out[3] + NET uio_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 203840 1472920 ) N ;
+    - uio_out[4] + NET uio_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 189280 1472920 ) N ;
+    - uio_out[5] + NET uio_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 174720 1472920 ) N ;
+    - uio_out[6] + NET uio_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 160160 1472920 ) N ;
+    - uio_out[7] + NET uio_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 145600 1472920 ) N ;
+    - uo_out[0] + NET uo_out[0] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 364000 1472920 ) N ;
+    - uo_out[1] + NET uo_out[1] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 349440 1472920 ) N ;
+    - uo_out[2] + NET uo_out[2] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 334880 1472920 ) N ;
+    - uo_out[3] + NET uo_out[3] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 320320 1472920 ) N ;
+    - uo_out[4] + NET uo_out[4] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 305760 1472920 ) N ;
+    - uo_out[5] + NET uo_out[5] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 291200 1472920 ) N ;
+    - uo_out[6] + NET uo_out[6] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 276640 1472920 ) N ;
+    - uo_out[7] + NET uo_out[7] + DIRECTION OUTPUT + USE SIGNAL
+      + PORT
+        + LAYER Metal4 ( -300 -1000 ) ( 300 1000 )
+        + PLACED ( 262080 1472920 ) N ;
+END PINS
+SPECIALNETS 2 ;
+    - VDD + USE POWER ;
+    - VSS + USE GROUND ;
+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/gf180mcuD/tile_sizes.yaml b/tech/gf180mcuD/tile_sizes.yaml
new file mode 100644
index 0000000..fbd7f59
--- /dev/null
+++ b/tech/gf180mcuD/tile_sizes.yaml
@@ -0,0 +1,7 @@
+1x1: "0 0 346.64 160.72"
+1x2: "0 0 346.64 325.36"
+2x2: "0 0 711.20 325.36"
+3x2: "0 0 1075.76 325.36"
+3x4: "0 0 1075.76 736.96"
+4x2: "0 0 1440.32 325.36"
+4x4: "0 0 1440.32 736.96"
diff --git a/tt_tool.py b/tt_tool.py
index 0c35763..19490f2 100755
--- a/tt_tool.py
+++ b/tt_tool.py
@@ -27,6 +27,13 @@ if __name__ == "__main__":
         const=True,
         default=False,
     )
+    parser.add_argument(
+        "--gf",
+        help="use gf180mcuD PDK",
+        action="store_const",
+        const=True,
+        default=False,
+    )
 
     # reports & summaries
     parser.add_argument(
@@ -147,7 +154,7 @@ if __name__ == "__main__":
     ch.setFormatter(log_format)
     log.addHandler(ch)
 
-    pdk: TechName = "ihp-sg13g2" if args.ihp else "sky130A"
+    pdk: TechName = "ihp-sg13g2" if args.ihp else "gf180mcuD" if args.gf else "sky130A"
     project = Project(0, "unknown", args.project_dir, pdk, is_user_project=True)
     project.post_clone_setup()