Custom IC Creator Python

Python toolbox for transpiling ciccreator output to other IC design formats.

Install

Latest from git:

git clone https://github.com/wulffern/cicpy
cd cicpy
pip install -e .

Stable release from PyPI:

pip install cicpy

Commands

cicpy [OPTIONS] COMMAND [ARGS]...

Command	Description
transpile	Translate .cic to SKILL layout/schematic, SPICE, Verilog, Xschem, Magic, SVG
jcell	Extract a single cell from a .cic file as JSON
sch2mag	Netlist an Xschem schematic to SPICE, then place and route to Magic
spi2mag	Place and route a SPICE subcircuit to Magic
svg	Generate SVG views from a .cic library
minecraft	Emit a Minecraft build script from a layout cell
place	(Deprecated) Place transistors by pattern
orc	(Deprecated) Orchestration runner
filter	(Deprecated) Parse-only placeholder

For full option lists: cicpy --help and cicpy <command> --help

Common transpile options

cicpy transpile SAR9B.cic.gz demo.tech SAR9B \
  --layskill    # Cadence SKILL layout
  --schskill    # Cadence SKILL schematic
  --spice       # ngspice + CDL netlists
  --xschem      # Xschem schematics
  --magic       # Magic .mag layout
  --verilog     # Verilog (experimental)

Extra library includes

Commands that read .cic data accept multiple --I flags to merge library cells:

cicpy svg top.cic tech/cic/sky130A.tech TOP \
  --I analog_lib.cic \
  --I digital_lib.cic

Changelog

Version	Comment
0.0.1	First version
0.1.5	First PyPI release
0.1.8	Added cicspi dependency and subpackages
0.1.9	Routing, Magic layout, and connectivity improvements