with extending pdn to boundary

Author: jcirimel

src/config.json

@@ -76,8 +76,8 @@
     "GND_NETS": "VGND",
 
     "FP_PDN_VPITCH": 245,
-    "FP_PDN_VSPACING": 3,
-    "FP_PDN_VOFFSET": 8,
+    "FP_PDN_VSPACING": 2.5,
+    "FP_PDN_VOFFSET": 9,
 
     "FP_PDN_VERTICAL_HALO": 0,
     "FP_PDN_HORIZONTAL_HALO": 0,

src/pdn_config.tcl

@@ -57,7 +57,7 @@ if { $::env(FP_PDN_MULTILAYER) == 1 } {
         -pitch $::env(FP_PDN_VPITCH) \
         -offset $::env(FP_PDN_VOFFSET) \
         -spacing $::env(FP_PDN_VSPACING) \
-        -starts_with POWER -extend_to_core_ring
+        -starts_with POWER -extend_to_boundary
 
     add_pdn_stripe \
         -grid stdcell_grid \
@@ -66,7 +66,7 @@ if { $::env(FP_PDN_MULTILAYER) == 1 } {
         -pitch $::env(FP_PDN_HPITCH) \
         -offset $::env(FP_PDN_HOFFSET) \
         -spacing $::env(FP_PDN_HSPACING) \
-        -starts_with POWER -extend_to_core_ring
+        -starts_with POWER -extend_to_boundary
 
     add_pdn_connect \
         -grid stdcell_grid \
@@ -85,7 +85,7 @@ if { $::env(FP_PDN_MULTILAYER) == 1 } {
         -pitch $::env(FP_PDN_VPITCH) \
         -offset $::env(FP_PDN_VOFFSET) \
         -spacing $::env(FP_PDN_VSPACING) \
-        -starts_with POWER -extend_to_core_ring
+        -starts_with POWER -extend_to_boundary
 }
 
 # Adds the standard cell rails if enabled.

src/sky130_sram_1rw_tiny.lef

@@ -582,45 +582,51 @@ MACRO sky130_sram_1rw_tiny
         RECT 0.620 0.620 296.760 151.590 ;
       LAYER met3 ;
         RECT 0.000 149.870 8.690 152.210 ;
-        RECT 288.690 149.870 297.380 152.210 ;
-        RECT 0.000 149.330 297.380 149.870 ;
+        RECT 0.000 149.330 33.850 149.870 ;
+        RECT 58.720 149.330 281.590 149.870 ;
         RECT 0.000 146.390 8.690 149.330 ;
-        RECT 288.690 146.390 297.380 149.330 ;
-        RECT 0.000 143.800 297.380 146.390 ;
+        RECT 0.000 146.310 33.850 146.390 ;
+        RECT 58.720 146.310 281.590 146.390 ;
+        RECT 0.000 146.000 281.590 146.310 ;
+        RECT 292.200 146.000 297.380 152.210 ;
+        RECT 0.000 143.800 297.380 146.000 ;
         RECT 0.620 31.090 296.760 143.800 ;
         RECT 0.980 29.510 296.760 31.090 ;
         RECT 0.620 22.590 296.760 29.510 ;
         RECT 0.980 21.010 296.760 22.590 ;
         RECT 0.620 8.430 296.760 21.010 ;
         RECT 0.620 8.410 296.780 8.430 ;
         RECT 0.000 6.740 297.390 8.410 ;
-        RECT 0.000 5.820 282.380 6.740 ;
+        RECT 0.000 5.820 281.550 6.740 ;
         RECT 0.000 2.880 8.690 5.820 ;
         RECT 0.000 2.340 33.910 2.880 ;
-        RECT 72.820 2.340 282.380 2.880 ;
+        RECT 72.820 2.340 281.550 2.880 ;
         RECT 0.000 0.000 8.690 2.340 ;
         RECT 291.540 0.000 297.390 6.740 ;
       LAYER met4 ;
         RECT 1.740 151.590 8.690 152.210 ;
-        RECT 288.690 151.590 295.640 152.210 ;
-        RECT 1.740 151.230 61.740 151.590 ;
-        RECT 66.295 151.230 295.640 151.590 ;
-        RECT 1.740 148.730 295.640 151.230 ;
+        RECT 1.740 148.730 33.850 151.590 ;
         RECT 1.740 143.800 3.480 148.730 ;
-        RECT 5.220 143.800 292.160 148.730 ;
+        RECT 5.220 146.310 33.850 148.730 ;
+        RECT 58.720 151.230 61.740 151.590 ;
+        RECT 66.295 151.230 281.590 151.590 ;
+        RECT 58.720 146.310 281.590 151.230 ;
+        RECT 292.200 148.730 295.640 152.210 ;
+        RECT 5.220 146.000 281.590 146.310 ;
+        RECT 5.220 143.800 292.160 146.000 ;
         RECT 293.900 143.800 295.640 148.730 ;
         RECT 2.340 8.410 2.880 143.800 ;
         RECT 5.820 8.430 291.560 143.800 ;
         RECT 294.500 8.430 295.040 143.800 ;
         RECT 5.820 8.410 292.160 8.430 ;
         RECT 1.740 3.480 3.480 8.410 ;
         RECT 5.220 6.740 292.160 8.410 ;
-        RECT 5.220 5.820 282.380 6.740 ;
+        RECT 5.220 5.820 281.550 6.740 ;
         RECT 5.220 3.480 33.910 5.820 ;
         RECT 1.740 0.980 33.910 3.480 ;
         RECT 1.740 0.620 30.500 0.980 ;
         RECT 32.080 0.620 33.910 0.980 ;
-        RECT 72.820 0.980 282.380 5.820 ;
+        RECT 72.820 0.980 281.550 5.820 ;
         RECT 72.820 0.620 74.960 0.980 ;
         RECT 76.540 0.620 80.800 0.980 ;
         RECT 82.380 0.620 86.640 0.980 ;
@@ -669,7 +675,7 @@ MACRO sky130_sram_1rw_tiny
         RECT 263.420 0.620 267.680 0.980 ;
         RECT 269.260 0.620 273.520 0.980 ;
         RECT 275.100 0.620 279.360 0.980 ;
-        RECT 280.940 0.620 282.380 0.980 ;
+        RECT 280.940 0.620 281.550 0.980 ;
         RECT 291.540 3.480 292.160 6.740 ;
         RECT 293.900 3.480 295.640 8.430 ;
         RECT 1.740 0.000 8.690 0.620 ;