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Update sky130A licon bar spacing for SP.15/16#103

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jdicorpo merged 3 commits intomainfrom
update-sky130a-licon-spacing
Nov 21, 2025
Merged

Update sky130A licon bar spacing for SP.15/16#103
jdicorpo merged 3 commits intomainfrom
update-sky130a-licon-spacing

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@jeffdi jeffdi commented Nov 21, 2025

This PR updates the licon bar spacing rules in sky130A_mr.drc:

  • Updated MRW_licon.SP.15 spacing to 0.64um (0.25um width bars)
  • Updated MRW_licon.SP.16 spacing to 0.57um (0.19um width bars)
  • Updated release version to 2025.11.21_01.10

Changes are per feedback from Skywater Technology.

- Updated MRW_licon.SP.15 spacing to 0.64um (0.25um width bars)
- Updated MRW_licon.SP.16 spacing to 0.57um (0.19um width bars)
- Updated release version to 2025.11.21_01.10
- Per feedback from Skywater Technology
- Implement proper mask generation logic:
  * Bar licons with spacing < 0.64 remain 0.19 um wide (sides not sized)
  * Bar licons with spacing >= 0.64 become 0.25 um wide (sized on all sides)
- Update MRW_licon.SP.15 to check 0.25 um wide bars with spacing < 0.58um
- Update MRW_licon.SP.16 to check 0.19 um wide bars with side-to-side spacing < 0.51um using projection mode
- Update release version to 2025.11.17_01.10
- Add changelog entry for 2025-11-21 licon bar spacing updates
- Minor formatting improvements
@jdicorpo jdicorpo merged commit 2661073 into main Nov 21, 2025
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@jdicorpo jdicorpo deleted the update-sky130a-licon-spacing branch November 21, 2025 23:54
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