Additional corrections to the gf180mcu tech file for magic to
correct DRC rules.  Note that there were two corrections to the
code base in magic corresponding to these and other DRC rule
check changes.

VERSION

diff --git a/VERSION b/VERSION
index 5abf950..d1a7dfa 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.468
+1.0.469

gf180mcu/magic/gf180mcu.tech

diff --git a/gf180mcu/magic/gf180mcu.tech b/gf180mcu/magic/gf180mcu.tech
index 7270795..fa3e8bb 100644
--- a/gf180mcu/magic/gf180mcu.tech
+++ b/gf180mcu/magic/gf180mcu.tech
@@ -1069,7 +1069,7 @@
 
 #ifdef MIM && METALS3
  layer VIA2 	mimcapc
- 	squares-grid 10 260 500
+ 	squares-grid 40 260 500
  	calma 	38 0
 
 #endif (MIM && METALS3)
@@ -1114,7 +1114,7 @@
 
 #ifdef MIM && METALS4
  layer VIA3 	mimcapc
- 	squares-grid 10 260 500
+ 	squares-grid 40 260 500
  	calma 	40 0
 
 #endif (MIM && METALS4)
@@ -1160,7 +1160,7 @@
 
 #ifdef (MIM && METALS5)
  layer VIA4 	mimcapc
- 	squares-grid 10 260 500
+ 	squares-grid 40 260 500
  	calma 	41 0
 
 #endif (MIM && METALS5)
@@ -1206,7 +1206,7 @@
  
 #ifdef MIM
  layer VIATP 	mimcapc
- 	squares-grid 10 260 500
+ 	squares-grid 40 260 500
  	calma 	129 0
 
 #endif (MIM)
@@ -1601,6 +1601,23 @@
  templayer bad_rnw rnw
  and dnwell
 
+ # Check for minimum PPLUS and NPLUS area.  NOTE:  These are simplified
+ # versions of the cifoutput rules.
+
+ templayer check_pplus
+        bloat-or  *pdif,*pdiode,pdiffres,pfet,pcap,*mvpdif,*mvpdiode,mvpdiffres,mvpfet,mvpcap * 160 allnactivenonfet 0
+        bloat-or psc,mvpsc * 95
+        bloat-or *psd,*mvpsd * 20 allnactivenonfet 0
+	grow	200
+	shrink	200
+
+ templayer check_nplus
+        bloat-or *ndif,*ndiode,*nndiode,ndiffres,*mvndif,*mvndiode,*mvnndiode,mvndiffres * 160 allpactivenonfet 0
+        bloat-or nsc,mvnsc * 95
+        bloat-or *nsd,*mvnsd * 20 allpactivenonfet 0
+	grow 	200 
+	shrink 200
+
  # Define HRES layer for DRC checks
  templayer res_hres
  bloat-all mvhires,hires *poly
@@ -2963,6 +2980,9 @@
 	"Deep N-well overlap of P-Diffusion < %d (DF.4e)"
  surround *mvpdiff,*mvpdiode,mvpfet,mvpcap dnwell 1100 absence_okay \
 	"Deep N-well overlap of P-Diffusion < %d (DF.4e)"
+
+
+ variants (full)
  # Use CIF-DRC rule to ensure that at least one exists.
  cifmaxwidth missing_nwell 0 bend_illegal \
 	"P-diffusion and N-ohmic must be over N-well or deep N-well"
@@ -2976,6 +2996,10 @@
  cifmaxwidth mvndiff_missing_pwell 0 bend_illegal \
 	"P-well must surround MV N-diffusion inside deep N-well by 0.60um (DF.8)"
 
+ cifarea check_pplus 350000 400 "Minimum PPLUS area >= %a (PP.8a)"
+ cifarea check_nplus 350000 400 "Minimum NPLUS area >= %a (NP.8a)"
+ variants *
+
 # surround *psd pwell 120 absence_ok \
 #	"P-well overlap of P-Ohmic < %d (DF.5)"
 # surround *mvpsd pwell  160 absence_ok \