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nangate45: use original LEF to restore antenna info #4013

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nangate45: use original LEF to restore antenna info #4013

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8b0c1d4
nangate45: use original LEF to restore antenna info
alokkumardalei-wq Mar 18, 2026
f799976
Trigger clean Jenkins CI build to fix corrupted PR tree reference
alokkumardalei-wq Mar 19, 2026
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2 changes: 1 addition & 1 deletion flow/platforms/nangate45/config.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ export PROCESS = 45
# Tech/Libs
# ----------------------------------------------------
export TECH_LEF = $(PLATFORM_DIR)/lef/NangateOpenCellLibrary.tech.lef
export SC_LEF = $(PLATFORM_DIR)/lef/NangateOpenCellLibrary.macro.mod.lef
export SC_LEF = $(PLATFORM_DIR)/lef/NangateOpenCellLibrary.macro.lef

export LIB_FILES = $(PLATFORM_DIR)/lib/NangateOpenCellLibrary_typical.lib \
$(ADDITIONAL_LIBS)
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30 changes: 30 additions & 0 deletions flow/platforms/nangate45/lef/NangateOpenCellLibrary.macro.lef
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Expand Up @@ -9630,6 +9630,36 @@ MACRO XOR2_X2
END
END XOR2_X2

MACRO TAPCELL_X1
#CLASS CORE ;
CLASS CORE WELLTAP ;
ORIGIN 0 0 ;
FOREIGN TAPCELL_X1 0 0 ;
SIZE 0.19 BY 1.4 ;
SYMMETRY X Y ;
SITE FreePDK45_38x28_10R_NP_162NW_34O ;
PIN VDD
DIRECTION INOUT ;
USE POWER ;
SHAPE ABUTMENT ;
PORT
LAYER metal1 ;
RECT 0 1.315 0.19 1.485 ;
RECT 0.06 0.975 0.13 1.315 ;
END
END VDD
PIN VSS
DIRECTION INOUT ;
USE GROUND ;
SHAPE ABUTMENT ;
PORT
LAYER metal1 ;
RECT 0 -0.085 0.19 0.085 ;
RECT 0.06 0.085 0.13 0.425 ;
END
END VSS
END TAPCELL_X1

END LIBRARY
#
# End of file
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