Added corner extraction styles to the extraction decks in the magic
tech file. Currently this affects only layer and contact resistance,
as no published information on the high and low metal parasitic
capacitance can be found.
diff --git a/VERSION b/VERSION
index fbd4dd6..e8b71fe 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.281
+1.0.282
diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index 4252baf..69db544 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech
@@ -5042,16 +5042,15 @@
# Device and Parasitic extraction
#-----------------------------------------------------
-
extract
- style ngspice variants (),(orig),(si)
+ style ngspice variants (),(orig),(si),(hrhc),(lrhc),(hrlc),(lrlc)
cscale 1
# NOTE: SkyWater SPICE libraries use .option scale 1E6 so all
# dimensions must be in units of microns in the extract file.
# Use extract style "ngspice(si)" to override this and produce
# a file with SI units for length/area.
- variants (),(orig)
+ variants (),(orig),(hrhc),(lrhc),(hrlc),(lrlc)
lambda 1E6
variants (si)
lambda 1.0
@@ -5187,9 +5186,12 @@
# Resistances are in milliohms per square
# Optional 3rd argument is the corner adjustment fraction
# Device values come from trtc.cor (typical corner)
+
+variants (),(orig),(si)
+
resist (pwell,isosub)/well 4400000
resist (dnwell)/dwell 2200000
- resist (nwell)/well 1700000
+ resist (nwell)/well 950000
resist (rpw)/well 3050000 0.5
resist (*ndiff,nsd)/active 120000
resist (*pdiff,*psd)/active 197000
@@ -5207,7 +5209,7 @@
resist (allpolynonres)/active 48200
resist rmp/active 48200
- resist (allli)/locali 12200
+ resist (allli)/locali 12800
resist (allm1)/metal1 125
resist (allm2)/metal2 125
resist (allm3)/metal3 47
@@ -5219,19 +5221,17 @@
resist mrdl/metali 5
#endif (REDISTRIBUTION)
- # These types should not be considered as electrical nodes
- resist blocktypes None
- resist obstypes None
- resist idtypes None
- resist comment None
-
- contact ndc,nsc 15000
- contact pdc,psc 15000
- contact mvndc,mvnsc 15000
- contact mvpdc,mvpsc 15000
- contact pc 15000
- contact mcon 152000
+ contact ndc,nsc 185000
+ contact pdc,psc 585000
+ contact mvndc,mvnsc 185000
+ contact mvpdc,mvpsc 585000
+ contact pc 152000
+ contact mcon 9300
+#ifdef RERAM
+ contact m2c 9000
+#else
contact m2c 4500
+#endif
contact m3c 3410
#ifdef METAL5
#ifdef MIM
@@ -5245,6 +5245,134 @@
contact mrdlc 6
#endif (REDISTRIBUTION)
+variants (hrhc),(hrlc)
+
+ # High-end corner resistances
+ # No corner values available for: substrate, xhrpoly, uhrpoly, RDL
+ resist (pwell,isosub)/well 4400000
+ resist (dnwell)/dwell 2575000
+ resist (nwell)/well 1350000
+ resist (rpw)/well 3535000 0.5
+ resist (*ndiff,nsd)/active 132000
+ resist (*pdiff,*psd)/active 228000
+ resist (*mvndiff,mvnsd)/active 126000
+ resist (*mvpdiff,*mvpsd)/active 228000
+
+ resist ndiffres/active 132000 0.5
+ resist pdiffres/active 228000 0.5
+ resist mvndiffres/active 126000 0.5
+ resist mvpdiffres/active 228000 0.5
+ resist mrp1/active 55800 0.5
+ resist xhrpoly/active 319800 0.5
+ resist uhrpoly/active 2000000 0.5
+
+ resist (allpolynonres)/active 55800
+ resist rmp/active 55800
+
+ resist (allli)/locali 17000
+ resist (allm1)/metal1 145
+ resist (allm2)/metal2 145
+ resist (allm3)/metal3 56
+#ifdef METAL5
+ resist (allm4)/metal4 56
+ resist (allm5)/metal5 36
+#endif (METAL5)
+#ifdef REDISTRIBUTION
+ resist mrdl/metali 5
+#endif (REDISTRIBUTION)
+
+ contact ndc,nsc 280000
+ contact pdc,psc 840000
+ contact mvndc,mvnsc 280000
+ contact mvpdc,mvpsc 840000
+ contact pc 252000
+ contact mcon 23000
+#ifdef RERAM
+ contact m2c 30000
+#else
+ contact m2c 15000
+#endif
+ contact m3c 8000
+#ifdef METAL5
+#ifdef MIM
+ contact mimcc 15000
+ contact mim2cc 8000
+#endif (MIM)
+ contact via3 8000
+ contact via4 891
+#endif (METAL5)
+#ifdef REDISTRIBUTION
+ contact mrdlc 6
+#endif (REDISTRIBUTION)
+
+variants (lrhc),(lrlc)
+
+ # Low-end corner resistances
+ # No corner values available for: substrate, xhrpoly, uhrpoly, RDL
+ resist (pwell,isosub)/well 4400000
+ resist (dnwell)/dwell 1825000
+ resist (nwell)/well 550000
+ resist (rpw)/well 2565000 0.5
+ resist (*ndiff,nsd)/active 108000
+ resist (*pdiff,*psd)/active 166000
+ resist (*mvndiff,mvnsd)/active 102000
+ resist (*mvpdiff,*mvpsd)/active 160000
+
+ resist ndiffres/active 108000 0.5
+ resist pdiffres/active 166000 0.5
+ resist mvndiffres/active 102000 0.5
+ resist mvpdiffres/active 160000 0.5
+ resist mrp1/active 42200 0.5
+ resist xhrpoly/active 319800 0.5
+ resist uhrpoly/active 2000000 0.5
+
+ resist (allpolynonres)/active 42200
+ resist rmp/active 42200
+
+ resist (allli)/locali 10500
+ resist (allm1)/metal1 105
+ resist (allm2)/metal2 105
+ resist (allm3)/metal3 38
+#ifdef METAL5
+ resist (allm4)/metal4 38
+ resist (allm5)/metal5 21
+#endif (METAL5)
+#ifdef REDISTRIBUTION
+ resist mrdl/metali 5
+#endif (REDISTRIBUTION)
+
+ contact ndc,nsc 95000
+ contact pdc,psc 345000
+ contact mvndc,mvnsc 95000
+ contact mvpdc,mvpsc 345000
+ contact pc 52000
+ contact mcon 1600
+#ifdef RERAM
+ contact m2c 4000
+#else
+ contact m2c 2000
+#endif
+ contact m3c 500
+#ifdef METAL5
+#ifdef MIM
+ contact mimcc 2000
+ contact mim2cc 500
+#endif (MIM)
+ contact via3 500
+ contact via4 12
+#endif (METAL5)
+#ifdef REDISTRIBUTION
+ contact mrdlc 6
+#endif (REDISTRIBUTION)
+
+variants *
+
+ # These types should not be considered as electrical nodes
+ resist blocktypes None
+ resist obstypes None
+ resist idtypes None
+ resist comment None
+
#-------------------------------------------------------------------------
# Parasitic capacitance values: Use document (...)
#-------------------------------------------------------------------------
@@ -5266,6 +5394,9 @@
# should be split between the two terminals. Unsure of the correct model.
#-------------------------------------------------------------------------
+variants (),(orig),(si),(hrhc),(lrhc),(hrlc),(lrlc)
+# Nominal capacitances
+
#deep n-well
defaultareacap dnwell dwell 120
@@ -5604,12 +5735,14 @@
defaultsideoverlap allm4 metal4 allm5 metal5 47
#endif (METAL5)
+variants *
+
#ifdef REDISTRIBUTION
#endif (REDISTRIBUTION)
# Devices: Base models (not subcircuit wrappers)
-variants (),(si)
+variants (),(si),(hrhc),(lrhc),(hrlc),(lrlc)
device msubcircuit sky130_fd_pr__pfet_01v8 pfet,scpfet \
*pdiff,pdiffres *pdiff,pdiffres nwell error l=l w=w \
