[Libre-soc-bugs] [Bug 526] create dry-run 180nm GDS-II files for IMEC

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Sun Nov 29 22:17:37 GMT 2020


--- Comment #64 from Jean-Paul.Chaput at lip6.fr ---

Hello Luke,

I will investigate tomorrow your explanation. I've succeeded in getting
it to work by re-cloning the repository.

So I've successfully done the P&R with Staf FlexLib & I/O pads. I will
commit that work under experiments11. Only I or Staf will be able to
run it because it needs the NDA (this directory, however, will not
contains any classified information).

The P&R works ok and it is DRC clean (with the golden tool Mentor/Calibre).

Some points:

* Could it be possible for the JSON file to be human-readable formatted?
  It will not induce significant slowdown and I will be able to perform
  manual tweaks more easily.

* In your json file, you seems to have inverted vdd/vss on the I/O pads.
  "vdd" should be connecteds to "power" and "vss" to "ground".

* The power pads are too far off the side, at least put one ordinary pad
  at the very begin/end of each side.

* Display is still abnormally slow. Another thing to look at after tapeout.

I will try to take a picture and post it.

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