From 42808b6fb51841a900f59ddbaa4bfdee26ec6dfc Mon Sep 17 00:00:00 2001 From: lkcl Date: Mon, 4 Jul 2022 10:11:15 +0100 Subject: [PATCH] --- 3d_gpu/layouts/coriolis2_180nm.mdwn | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/3d_gpu/layouts/coriolis2_180nm.mdwn b/3d_gpu/layouts/coriolis2_180nm.mdwn index aa3c7d88f..098d1a1c5 100644 --- a/3d_gpu/layouts/coriolis2_180nm.mdwn +++ b/3d_gpu/layouts/coriolis2_180nm.mdwn @@ -95,3 +95,16 @@ There are several talks online now. * [[conferences/fosdem2022]] * + +Jean-Paul Chaput of LIP6 carried out several improvements to coriolis2 +in order for it to cope with an 800,000 transistor 30 mm^2 180nm layout. +These included: + +* automatic antennae diodes (needed for stopping ESD), +* clock tree improvements +* Dual Power rings (Core, IO) +* Automatic buffer insertion (clock tree synchronised) +* High fanout buffers (1 to 128) and repeater buffers + +Overall it was a significant amount of work and it is entirely +automated `RTL2GDS`, no manual intervention required. -- 2.30.2