gf180mcu 1.0.0

GlobalFoundries' 180nm MCU process, a fully open-source CMOS technology (built on Google's open PDK initiative) for mixed-signal and analog IC design.

GlobalFoundries 180nm MCU based on Google open source PDK

This is a pure python implementation of the PDK.

NOTE: If you were previously using the gf180 package, it has been renamed to gf180mcu and the original package is now deprecated. See the migration guide for more information.

Installation

We recommend uv

# On macOS and Linux.
curl -LsSf https://astral.sh/uv/install.sh | sh

# On Windows.
powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"

Installation for users

Use python 3.11, 3.12 or 3.13. We recommend VSCode as an IDE.

uv pip install gf180mcu --upgrade

Then you need to restart Klayout to make sure the new technology installed appears.

Installation for contributors

For developers you need to git clone the GitHub repository, fork it, git add, git commit, git push and merge request your changes.

git clone https://github.com/gdsfactory/gf180mcu.git
cd gf180
uv venv --python 3.12
uv sync --extra docs

Documentation

• gdsfactory docs

Pre-commit

Pre-commit hooks are centrally maintained in pdk-ci-workflow-public. make dev fetches the canonical config and installs the git hook.

make dev

Tests

Run the test suite:

make test

Release

gh workflow run release.yml --repo gdsfactory/gf180mcu -f version=X.Y.Z

Or from inside the repo directory (no --repo needed):

gh workflow run release.yml -f version=X.Y.Z

where +gfpN suffix is optional (e.g. 3.11.0+gfp0).