Additional fine-tuning of the fill generation of all metal layers
under metal5 to meet the corrected density requirements from SkyWater
(minimum clear area = 40%, or maximum fill density = 60%).
diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index 804c3f6..9cbb68b 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech
@@ -1932,7 +1932,8 @@
or alldiff,allpoly
grow 200
templayer lifill_coarse topbox
- slots 0 3000 650 0 3000 650 700 0
+ # slots 0 3000 650 0 3000 650 700 0
+ slots 0 3000 750 0 3000 750 700 0
and-not obstruct_li_coarse
and topbox
shrink 1495
@@ -1976,7 +1977,7 @@
grow 3000
templayer met1fill_coarse topbox
# slots 0 2000 200 0 2000 200 700 0
- slots 0 2000 350 0 2000 350 700 0
+ slots 0 2000 500 0 2000 500 700 350
and-not obstruct_m1_coarse
and topbox
shrink 995
@@ -2028,7 +2029,7 @@
grow 3000
templayer met2fill_coarse topbox
# slots 0 2000 200 0 2000 200 700 350
- slots 0 2000 350 0 2000 350 700 350
+ slots 0 2000 500 0 2000 500 700 350
and-not obstruct_m2
and topbox
shrink 995
@@ -2080,7 +2081,7 @@
grow 3000
templayer met3fill_coarse topbox
# slots 0 2000 300 0 2000 300 700 700
- slots 0 2000 350 0 2000 350 700 700
+ slots 0 2000 500 0 2000 500 700 350
and-not obstruct_m3
and topbox
shrink 995
@@ -2134,7 +2135,7 @@
grow 3000
templayer met4fill_coarse topbox
# slots 0 2000 300 0 2000 300 700 1050
- slots 0 2000 350 0 2000 350 700 1050
+ slots 0 2000 500 0 2000 500 700 350
and-not obstruct_m4
and topbox
shrink 995
