Simulate a Skywater 130nm standard cell using ngspice

This repository is a template for project 1.1 that takes you through:

• Browse the standard cells
• Choose a standard cell to simulate
• Copy the spice file
• Modify the Makefile
• Modify the spice file to provide inputs to the gate
• Run the spice simulation to get a plot of the inputs and outputs
• Measure propagation delay

License

This repo is part of the Zero to ASIC course and licensed with Apache 2.

Resources

• ngspice tutorial http://ngspice.sourceforge.net/ngspice-tutorial.html
• ngspice notes on sky130 simulation: http://ngspice.sourceforge.net/applic.html and the use of .spiceinit
• Skywater PDK docs: https://skywater-pdk.readthedocs.io/en/main/