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sky130: documentation updates #876

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Sep 25, 2024
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sky130: documentation updates #876

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4 changes: 4 additions & 0 deletions hammer/technology/sky130/README.md
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Expand Up @@ -9,6 +9,8 @@ PDK Setup
The Skywater 130nm PDK files are located in a repo called [skywater-pdk](https://github.com/google/skywater-pdk/). A tool called [Open-PDKs (open_pdks)](https://github.com/RTimothyEdwards/open_pdks/) was developed to generate all the files typically found in a PDK.
Open-PDKs uses the contents in `skywater-pdk`, and outputs files to a directory called `sky130A`.

This will take around 40-50GB of disk space as of September 2024.

### PDK Install

```shell
Expand All @@ -23,7 +25,9 @@ export PATH=$PREFIX/.conda-signoff/bin:$PATH

# clone required repos
git clone https://github.com/google/skywater-pdk.git
# rev 7198cf647113f56041e02abf3eb623692820c5e1
git clone https://github.com/RTimothyEdwards/open_pdks.git
# rev 320597ea84b2816eb2fcc4fbe10c3874f19c92fc

# install Sky130 PDK via Open-PDKs
# we disable some install steps to save time
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