diff --git a/VERSION b/VERSION
index b0f2ad9..acbf873 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.237
+1.0.238
diff --git a/common/foundry_install.py b/common/foundry_install.py
index 6328491..a755074 100755
--- a/common/foundry_install.py
+++ b/common/foundry_install.py
@@ -144,6 +144,10 @@
 #		    the LEF files should not be used and LEF should be
 #		    generated from layout.
 #
+#	lefopts:   Followed by "=" and a comma-separated list of option
+#		    strings.  If LEF views are generated from magic, use the
+#		    options specified.
+#
 #	noconvert: Install only; do not attempt to convert to other
 #		    formats (applies only to GDS, CDL, and LEF).
 #
@@ -1063,7 +1067,8 @@
                     # then compile one, because one does not want to have to have
                     # an include line for every single cell used in a design.
 
-                    create_lef_library(destlibdir, compname, do_compile_only, excludelist)
+                    if not have_lefanno:
+                        create_lef_library(destlibdir, compname, do_compile_only, excludelist)
 
                 if do_compile_only == True:
                     if newname and targname:
@@ -1150,6 +1155,7 @@
     cdl_compile_only = False
     lef_compile = False
     lef_compile_only = False
+    lefopts = None
 
     cdl_exclude = []
     lef_exclude = []
@@ -1224,6 +1230,12 @@
                     spice_exclude = exclude_list
                 elif option[0] == 'verilog':
                     verilog_exclude = exclude_list
+
+        # Find options list for "lef write"
+        for item in option:
+            if item.split('=')[0] == 'lefopts':
+                if option[0] == 'lef':
+                    lefopts = item.split('=')[1].strip('"')
  
     devlist = []
     pdklibrary = None
@@ -1439,10 +1451,7 @@
 
                     leffiles = []
                     lefmacros = []
-                    if have_lef:
-                        # Nothing to do;  LEF macros were already installed.
-                        pass
-                    elif have_lefanno:
+                    if have_lefanno:
                         # Find LEF file names in the source
                         if ef_format:
                             lefsrcdir = targetdir + lef_reflib + 'lef'
@@ -1478,7 +1487,9 @@
                                     ltok = re.split(' |\t|\(', lline)
                                     if ltok[0] == 'MACRO':
                                         lefmacros.append(ltok[1])
-
+                    elif have_lef:
+                        # Nothing to do;  LEF macros were already installed.
+                        pass
                     elif have_verilog and os.path.isdir(vlibdir):
                         # Get list of abstract views to make from verilog modules
                         # (NOTE:  no way to apply exclude list here!)
@@ -1573,7 +1584,7 @@
 
                     if not lefmacros:
                         print('No source for abstract views:  Abstract views not made.')
-                    elif not have_lef:
+                    elif have_lefanno or not have_lef:
                         # This library has a GDS database but no LEF database.  Use
                         # magic to create abstract views of the GDS cells.  If
                         # option "annotate" is given, then read the LEF file after
@@ -1595,7 +1606,10 @@
                         for lefmacro in lefmacros:
                             print('if {[cellname list exists ' + lefmacro + '] != 0} {', file=ofile)
                             print('   load ' + lefmacro, file=ofile)
-                            print('   lef write ' + lefdest + lefmacro + ' -hide', file=ofile)
+                            if lefopts:
+                                print('   lef write ' + lefdest + lefmacro + ' ' + lefopts, file=ofile)
+                            else:
+                                print('   lef write ' + lefdest + lefmacro, file=ofile)
                             print('}', file=ofile)
 
                     print('puts stdout "Done."', file=ofile)
diff --git a/sky130/Makefile.in b/sky130/Makefile.in
index 104364b..627a6b0 100644
--- a/sky130/Makefile.in
+++ b/sky130/Makefile.in
@@ -1002,19 +1002,22 @@
 io-a:
 	# Install custom additions to I/O pad library
 	${STAGE} -source ./custom -target ${STAGING_PATH}/${SKY130A} \
-		-verilog %l/verilog/*.v \
+		-verilog %l/verilog/*.v compile-only rename=sky130_ef_io \
 		-cdl %l/cdl/*.cdl \
 		-spice %l/spice/*.spice \
 		-gds %l/gds/*.gds options=custom/scripts/gds_import_setup.tcl \
-		-lef %l/lef/*.lef compile-only rename=sky130_ef_io \
+		-lef %l/lef/*.lef exclude=sky130_fd_io__top_xres4v2.lef \
+			compile-only rename=sky130_ef_io \
+		-lef %l/lef/sky130_fd_io__top_xres4v2.lef \
 		-library general sky130_fd_io 2>&1 | tee -a ${SKY130A}_make.log
 	# Install SkyWater I/O pad library
 	${STAGE} -source ${SKYWATER_LIBS_PATH} -target ${STAGING_PATH}/${SKY130A} \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
 			include=custom/sky130_fd_io/cdl/*.cdl \
 			sort=../common/sort_pdkfiles.py \
-		-lef %l/latest/cells/*/*.lef annotate compile-only \
-			include=custom/sky130_fd_io/lef/*.lef \
+		-lef %l/latest/cells/*/*.lef annotate lefopts=-hide compile-only \
+			no-copy=sky130_fd_io__top_xres4v2.lef \
+			include=sky130_fd_io__top_xres4v2.lef \
 			exclude=*.magic.lef,sky130_ef_io.lef \
 			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
@@ -1022,9 +1025,7 @@
 		-gds %l/latest/cells/*/*.gds compile-only \
 			sort=../common/sort_pdkfiles.py \
 			options=custom/scripts/sky130_fd_io_import.tcl \
-		-verilog %l/latest/cells/*/*.*.v \
-		-verilog %l/latest/cells/*/*.v exclude=*.*.v \
-			include=custom/sky130_fd_io/verilog/*.v \
+		-verilog %l/latest/cells/*/*.v exclude=*.*.v,sky130_ef_io.v \
 			compile-only filter=custom/scripts/inc_verilog.py \
 			sort=../common/sort_pdkfiles.py \
 		-library general sky130_fd_io 2>&1 | tee -a ${SKY130A}_make.log
@@ -1051,9 +1052,10 @@
 			filter=custom/scripts/fix_device_models.py \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
 			sort=../common/sort_pdkfiles.py \
-		-lef %l/latest/cells/*/*.magic.lef \
+		-lef %l/latest/cells/*/*.lef \
+			exclude=*.magic.lef lefopts=-toplayer \
 			include=custom/sky130_fd_sc_hd/lef/sky130_ef*.lef \
-			compile-only \
+			annotate compile-only \
 			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
 		-lib %l/latest/timing/*.lib filter=custom/scripts/add_wireloads.py \
@@ -1098,7 +1100,8 @@
 			filter=custom/scripts/fix_device_models.py \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
 			sort=../common/sort_pdkfiles.py \
-		-lef %l/latest/cells/*/*.magic.lef compile-only \
+		-lef %l/latest/cells/*/*.lef annotate compile-only \
+			exclude=*.magic.lef lefopts=-toplayer \
 			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
 		-lib %l/latest/timing/*.lib custom/scripts/add_wireloads.py \
@@ -1134,7 +1137,8 @@
 			filter=custom/scripts/fix_device_models.py \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
 			sort=../common/sort_pdkfiles.py \
-		-lef %l/latest/cells/*/*.magic.lef compile-only \
+		-lef %l/latest/cells/*/*.lef annotate compile-only \
+			exclude=*.magic.lef lefopts=-toplayer \
 			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
 		-lib %l/latest/timing/*.lib custom/scripts/add_wireloads.py \
@@ -1174,7 +1178,8 @@
 			filter=custom/scripts/fix_device_models.py \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
 			sort=../common/sort_pdkfiles.py \
-		-lef %l/latest/cells/*/*.magic.lef compile-only \
+		-lef %l/latest/cells/*/*.lef annotate compile-only \
+			exclude=*.magic.lef lefopts=-toplayer \
 			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
 		-lib %l/latest/timing/*.lib custom/scripts/add_wireloads.py \
@@ -1206,7 +1211,8 @@
 			filter=custom/scripts/fix_device_models.py \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
 			sort=../common/sort_pdkfiles.py \
-		-lef %l/latest/cells/*/*.magic.lef compile-only \
+		-lef %l/latest/cells/*/*.lef annotate compile-only \
+			exclude=*.magic.lef lefopts=-toplayer \
 			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
 		-lib %l/latest/timing/*.lib custom/scripts/add_wireloads.py \
@@ -1235,7 +1241,8 @@
 			filter=custom/scripts/fix_device_models.py \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
 			sort=../common/sort_pdkfiles.py \
-		-lef %l/latest/cells/*/*.magic.lef compile-only \
+		-lef %l/latest/cells/*/*.lef annotate compile-only \
+			exclude=*.magic.lef lefopts=-toplayer \
 			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
 		-lib %l/latest/timing/*.lib custom/scripts/add_wireloads.py \
@@ -1263,7 +1270,8 @@
 			filter=custom/scripts/fix_device_models.py \
 		-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
 			sort=../common/sort_pdkfiles.py \
-		-lef %l/latest/cells/*/*.magic.lef compile-only \
+		-lef %l/latest/cells/*/*.lef annotate compile-only \
+			exclude=*.magic.lef lefopts=-toplayer \
 			sort=../common/sort_pdkfiles.py \
 		-doc %l/latest/cells/*/*.pdf \
 		-lib %l/latest/timing/*.lib custom/scripts/add_wireloads.py \
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_10um.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_10um.lef
index 4948ee1..3d0f2a3 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_10um.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_10um.lef
@@ -14,10 +14,6 @@
       LAYER met4 ;
         RECT 0.000 51.090 10.000 54.070 ;
     END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 51.090 10.000 54.070 ;
-    END
   END AMUXBUS_A
   PIN AMUXBUS_B
     DIRECTION INOUT ;
@@ -26,10 +22,6 @@
       LAYER met4 ;
         RECT 0.000 46.330 10.000 49.310 ;
     END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 46.330 10.000 49.310 ;
-    END
   END AMUXBUS_B
   PIN VSSA
     DIRECTION INOUT ;
@@ -54,26 +46,6 @@
       LAYER met4 ;
         RECT 0.000 34.700 10.000 38.150 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 45.700 10.000 54.700 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 54.370 10.000 54.700 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 45.700 10.000 46.030 ;
-    END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 34.800 10.000 38.050 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 34.700 10.000 38.150 ;
-    END
   END VSSA
   PIN VDDA
     DIRECTION INOUT ;
@@ -86,14 +58,6 @@
       LAYER met4 ;
         RECT 0.000 12.900 10.000 16.350 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 13.000 10.000 16.250 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 12.900 10.000 16.350 ;
-    END
   END VDDA
   PIN VSWITCH
     DIRECTION INOUT ;
@@ -106,14 +70,6 @@
       LAYER met4 ;
         RECT 0.000 29.850 10.000 33.300 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 29.950 10.000 33.200 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 29.850 10.000 33.300 ;
-    END
   END VSWITCH
   PIN VDDIO_Q
     DIRECTION INOUT ;
@@ -126,14 +82,6 @@
       LAYER met4 ;
         RECT 0.000 62.050 10.000 66.500 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 62.150 10.000 66.400 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 62.050 10.000 66.500 ;
-    END
   END VDDIO_Q
   PIN VCCHIB
     DIRECTION INOUT ;
@@ -146,14 +94,6 @@
       LAYER met4 ;
         RECT 0.000 0.000 10.000 5.450 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 0.100 10.000 5.350 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 0.000 10.000 5.450 ;
-    END
   END VCCHIB
   PIN VDDIO
     DIRECTION INOUT ;
@@ -174,22 +114,6 @@
       LAYER met4 ;
         RECT 0.000 17.750 10.000 22.400 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 68.000 10.000 92.950 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 68.000 10.000 92.965 ;
-    END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 17.850 10.000 22.300 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 17.750 10.000 22.400 ;
-    END
   END VDDIO
   PIN VCCD
     DIRECTION INOUT ;
@@ -202,14 +126,6 @@
       LAYER met4 ;
         RECT 0.000 6.850 10.000 11.500 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 6.950 10.000 11.400 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 6.850 10.000 11.500 ;
-    END
   END VCCD
   PIN VSSIO
     DIRECTION INOUT ;
@@ -226,18 +142,6 @@
       LAYER met5 ;
         RECT 0.000 173.750 10.000 197.965 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 23.900 10.000 28.350 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 23.800 10.000 28.450 ;
-    END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 173.750 10.000 197.965 ;
-    END
   END VSSIO
   PIN VSSD
     DIRECTION INOUT ;
@@ -250,14 +154,6 @@
       LAYER met4 ;
         RECT 0.000 39.550 10.000 44.200 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 39.650 10.000 44.100 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 39.550 10.000 44.200 ;
-    END
   END VSSD
   PIN VSSIO_Q
     DIRECTION INOUT ;
@@ -270,18 +166,10 @@
       LAYER met4 ;
         RECT 0.000 56.200 10.000 60.650 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 9.000 56.300 10.000 60.550 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 9.000 56.200 10.000 60.650 ;
-    END
   END VSSIO_Q
   OBS
       LAYER met4 ;
-        RECT 0.000 93.365 10.000 197.965 ;
+        RECT 0.000 173.75 10.000 197.965 ;
         RECT 0.000 66.900 10.000 67.600 ;
         RECT 0.000 61.050 10.000 61.650 ;
         RECT 0.000 55.100 10.000 55.800 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_1um.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_1um.lef
index bd34ce3..319d9de 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_1um.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_1um.lef
@@ -169,7 +169,7 @@
   END VSSIO_Q
   OBS
       LAYER met4 ;
-        RECT 0.000 93.365 1.000 197.965 ;
+        RECT 0.000 173.75 1.000 197.965 ;
         RECT 0.000 66.900 1.000 67.600 ;
         RECT 0.000 61.050 1.000 61.650 ;
         RECT 0.000 55.100 1.000 55.800 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_20um.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_20um.lef
index 2d650a0..c8130ad 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_20um.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_20um.lef
@@ -14,10 +14,6 @@
       LAYER met4 ;
         RECT 0.000 51.090 20.000 54.070 ;
     END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 51.090 20.000 54.070 ;
-    END
   END AMUXBUS_A
   PIN AMUXBUS_B
     DIRECTION INOUT ;
@@ -26,10 +22,6 @@
       LAYER met4 ;
         RECT 0.000 46.330 20.000 49.310 ;
     END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 46.330 20.000 49.310 ;
-    END
   END AMUXBUS_B
   PIN VSSA
     DIRECTION INOUT ;
@@ -54,26 +46,6 @@
       LAYER met4 ;
         RECT 0.000 34.700 20.000 38.150 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 45.700 20.000 54.700 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 54.370 20.000 54.700 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 45.700 20.000 46.030 ;
-    END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 34.800 20.000 38.050 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 34.700 20.000 38.150 ;
-    END
   END VSSA
   PIN VDDA
     DIRECTION INOUT ;
@@ -86,14 +58,6 @@
       LAYER met4 ;
         RECT 0.000 12.900 20.000 16.350 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 13.000 20.000 16.250 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 12.900 20.000 16.350 ;
-    END
   END VDDA
   PIN VSWITCH
     DIRECTION INOUT ;
@@ -106,14 +70,6 @@
       LAYER met4 ;
         RECT 0.000 29.850 20.000 33.300 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 29.950 20.000 33.200 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 29.850 20.000 33.300 ;
-    END
   END VSWITCH
   PIN VDDIO_Q
     DIRECTION INOUT ;
@@ -126,14 +82,6 @@
       LAYER met4 ;
         RECT 0.000 62.050 20.000 66.500 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 62.150 20.000 66.400 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 62.050 20.000 66.500 ;
-    END
   END VDDIO_Q
   PIN VCCHIB
     DIRECTION INOUT ;
@@ -146,14 +94,6 @@
       LAYER met4 ;
         RECT 0.000 0.000 20.000 5.450 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 0.100 20.000 5.350 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 0.000 20.000 5.450 ;
-    END
   END VCCHIB
   PIN VDDIO
     DIRECTION INOUT ;
@@ -174,22 +114,6 @@
       LAYER met4 ;
         RECT 0.000 17.750 20.000 22.400 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 68.000 20.000 92.950 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 68.000 20.000 92.965 ;
-    END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 17.850 20.000 22.300 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 17.750 20.000 22.400 ;
-    END
   END VDDIO
   PIN VCCD
     DIRECTION INOUT ;
@@ -202,14 +126,6 @@
       LAYER met4 ;
         RECT 0.000 6.850 20.000 11.500 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 6.950 20.000 11.400 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 6.850 20.000 11.500 ;
-    END
   END VCCD
   PIN VSSIO
     DIRECTION INOUT ;
@@ -226,18 +142,6 @@
       LAYER met5 ;
         RECT 0.000 173.750 20.000 197.965 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 23.900 20.000 28.350 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 23.800 20.000 28.450 ;
-    END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 173.750 20.000 197.965 ;
-    END
   END VSSIO
   PIN VSSD
     DIRECTION INOUT ;
@@ -250,14 +154,6 @@
       LAYER met4 ;
         RECT 0.000 39.550 20.000 44.200 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 39.650 20.000 44.100 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 39.550 20.000 44.200 ;
-    END
   END VSSD
   PIN VSSIO_Q
     DIRECTION INOUT ;
@@ -270,18 +166,10 @@
       LAYER met4 ;
         RECT 0.000 56.200 20.000 60.650 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 19.000 56.300 20.000 60.550 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 19.000 56.200 20.000 60.650 ;
-    END
   END VSSIO_Q
   OBS
       LAYER met4 ;
-        RECT 0.000 93.365 20.000 197.965 ;
+        RECT 0.000 173.75 20.000 197.965 ;
         RECT 0.000 66.900 20.000 67.600 ;
         RECT 0.000 61.050 20.000 61.650 ;
         RECT 0.000 55.100 20.000 55.800 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_5um.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_5um.lef
index 46f404e..3dd0b49 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_5um.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__com_bus_slice_5um.lef
@@ -14,10 +14,6 @@
       LAYER met4 ;
         RECT 0.000 51.090 5.000 54.070 ;
     END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 51.090 5.000 54.070 ;
-    END
   END AMUXBUS_A
   PIN AMUXBUS_B
     DIRECTION INOUT ;
@@ -26,10 +22,6 @@
       LAYER met4 ;
         RECT 0.000 46.330 5.000 49.310 ;
     END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 46.330 5.000 49.310 ;
-    END
   END AMUXBUS_B
   PIN VSSA
     DIRECTION INOUT ;
@@ -54,26 +46,6 @@
       LAYER met4 ;
         RECT 0.000 34.700 5.000 38.150 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 45.700 5.000 54.700 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 54.370 5.000 54.700 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 45.700 5.000 46.030 ;
-    END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 34.800 5.000 38.050 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 34.700 5.000 38.150 ;
-    END
   END VSSA
   PIN VDDA
     DIRECTION INOUT ;
@@ -86,14 +58,6 @@
       LAYER met4 ;
         RECT 0.000 12.900 5.000 16.350 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 13.000 5.000 16.250 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 12.900 5.000 16.350 ;
-    END
   END VDDA
   PIN VSWITCH
     DIRECTION INOUT ;
@@ -106,14 +70,6 @@
       LAYER met4 ;
         RECT 0.000 29.850 5.000 33.300 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 29.950 5.000 33.200 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 29.850 5.000 33.300 ;
-    END
   END VSWITCH
   PIN VDDIO_Q
     DIRECTION INOUT ;
@@ -126,14 +82,6 @@
       LAYER met4 ;
         RECT 0.000 62.050 5.000 66.500 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 62.150 5.000 66.400 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 62.050 5.000 66.500 ;
-    END
   END VDDIO_Q
   PIN VCCHIB
     DIRECTION INOUT ;
@@ -146,14 +94,6 @@
       LAYER met4 ;
         RECT 0.000 0.000 5.000 5.450 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 0.100 5.000 5.350 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 0.000 5.000 5.450 ;
-    END
   END VCCHIB
   PIN VDDIO
     DIRECTION INOUT ;
@@ -174,22 +114,6 @@
       LAYER met4 ;
         RECT 0.000 17.750 5.000 22.400 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 68.000 5.000 92.950 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 68.000 5.000 92.965 ;
-    END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 17.850 5.000 22.300 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 17.750 5.000 22.400 ;
-    END
   END VDDIO
   PIN VCCD
     DIRECTION INOUT ;
@@ -202,14 +126,6 @@
       LAYER met4 ;
         RECT 0.000 6.850 5.000 11.500 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 6.950 5.000 11.400 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 6.850 5.000 11.500 ;
-    END
   END VCCD
   PIN VSSIO
     DIRECTION INOUT ;
@@ -226,18 +142,6 @@
       LAYER met5 ;
         RECT 0.000 173.750 5.000 197.965 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 23.900 5.000 28.350 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 23.800 5.000 28.450 ;
-    END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 173.750 5.000 197.965 ;
-    END
   END VSSIO
   PIN VSSD
     DIRECTION INOUT ;
@@ -250,14 +154,6 @@
       LAYER met4 ;
         RECT 0.000 39.550 5.000 44.200 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 39.650 5.000 44.100 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 39.550 5.000 44.200 ;
-    END
   END VSSD
   PIN VSSIO_Q
     DIRECTION INOUT ;
@@ -270,18 +166,10 @@
       LAYER met4 ;
         RECT 0.000 56.200 5.000 60.650 ;
     END
-    PORT
-      LAYER met5 ;
-        RECT 4.000 56.300 5.000 60.550 ;
-    END
-    PORT
-      LAYER met4 ;
-        RECT 4.000 56.200 5.000 60.650 ;
-    END
   END VSSIO_Q
   OBS
       LAYER met4 ;
-        RECT 0.000 93.365 5.000 197.965 ;
+        RECT 0.000 173.75 5.000 197.965 ;
         RECT 0.000 66.900 5.000 67.600 ;
         RECT 0.000 61.050 5.000 61.650 ;
         RECT 0.000 55.100 5.000 55.800 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__corner_pad.lef b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__corner_pad.lef
index efab695..aeb9572 100644
--- a/sky130/custom/sky130_fd_io/lef/sky130_ef_io__corner_pad.lef
+++ b/sky130/custom/sky130_fd_io/lef/sky130_ef_io__corner_pad.lef
@@ -40,10 +40,6 @@
     END
     PORT
       LAYER met5 ;
-        RECT 0.630 56.020 0.640 56.030 ;
-    END
-    PORT
-      LAYER met5 ;
         RECT 0.000 40.835 1.335 44.085 ;
     END
     PORT
@@ -71,10 +67,6 @@
         RECT 47.735 0.000 56.735 27.155 ;
     END
     PORT
-      LAYER met5 ;
-        RECT 51.285 0.630 51.295 0.640 ;
-    END
-    PORT
       LAYER met4 ;
         RECT 56.405 0.000 56.735 27.175 ;
     END
@@ -243,10 +235,6 @@
         RECT 0.000 179.785 1.435 204.000 ;
     END
     PORT
-      LAYER met4 ;
-        RECT 0.630 194.865 0.640 194.875 ;
-    END
-    PORT
       LAYER met5 ;
         RECT 25.935 0.000 30.385 1.270 ;
     END
@@ -258,10 +246,6 @@
       LAYER met4 ;
         RECT 175.785 0.000 200.000 1.270 ;
     END
-    PORT
-      LAYER met4 ;
-        RECT 190.865 0.630 190.875 0.640 ;
-    END
   END VSSIO
   PIN VSSD
     DIRECTION INOUT ;
@@ -338,7 +322,6 @@
         RECT 0.000 17.935 47.335 18.535 ;
         RECT 4.185 12.485 47.335 17.935 ;
         RECT 0.000 11.885 47.335 12.485 ;
-        POLYGON 0.000 6.035 0.400 6.035 0.400 5.635 ;
         RECT 0.400 5.635 2.035 6.035 ;
         RECT 2.750 5.635 47.335 11.885 ;
         RECT 0.000 1.670 47.335 5.635 ;
@@ -373,7 +356,6 @@
         RECT 3.125 22.285 46.135 28.335 ;
         RECT 3.070 19.035 46.135 22.285 ;
         RECT 5.385 11.385 46.135 19.035 ;
-        POLYGON 0.000 6.135 1.600 6.135 1.600 4.535 ;
         RECT 1.600 4.535 2.135 6.135 ;
         RECT 3.950 4.535 46.135 11.385 ;
         RECT 0.000 2.870 46.135 4.535 ;
diff --git a/sky130/custom/sky130_fd_io/lef/sky130_fd_io__top_xres4v2.lef b/sky130/custom/sky130_fd_io/lef/sky130_fd_io__top_xres4v2.lef
new file mode 100644
index 0000000..8d65191
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/lef/sky130_fd_io__top_xres4v2.lef
@@ -0,0 +1,554 @@
+VERSION 5.7 ;
+  NOWIREEXTENSIONATPIN ON ;
+  DIVIDERCHAR "/" ;
+  BUSBITCHARS "[]" ;
+MACRO sky130_fd_io__top_xres4v2
+  CLASS PAD ;
+  FOREIGN sky130_fd_io__top_xres4v2 ;
+  ORIGIN 0.000 0.000 ;
+  SIZE 75.000 BY 200.000 ;
+  SYMMETRY R90 ;
+  PIN PAD_A_ESD_H
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 17.245 0.000 18.910 0.565 ;
+    END
+    PORT
+      LAYER met2 ;
+        RECT 17.245 0.000 18.910 0.565 ;
+    END
+  END PAD_A_ESD_H
+  PIN XRES_H_N
+    DIRECTION OUTPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 28.935 0.000 29.665 0.330 ;
+    END
+    PORT
+      LAYER met2 ;
+        RECT 28.935 0.000 29.665 0.330 ;
+    END
+  END XRES_H_N
+  PIN FILT_IN_H
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 20.075 0.000 21.225 1.410 ;
+    END
+    PORT
+      LAYER met2 ;
+        RECT 20.075 0.000 21.225 1.410 ;
+    END
+  END FILT_IN_H
+  PIN ENABLE_VDDIO
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 8.400 0.000 8.920 0.330 ;
+    END
+    PORT
+      LAYER met2 ;
+        RECT 8.425 0.000 8.895 0.330 ;
+    END
+  END ENABLE_VDDIO
+  PIN TIE_WEAK_HI_H
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 72.190 0.000 73.260 0.330 ;
+    END
+    PORT
+      LAYER met2 ;
+        RECT 72.215 0.000 73.235 0.330 ;
+    END
+    PORT
+      LAYER met3 ;
+        RECT 72.190 49.985 73.925 64.465 ;
+    END
+  END TIE_WEAK_HI_H
+  PIN ENABLE_H
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 12.285 0.000 12.545 0.330 ;
+    END
+    PORT
+      LAYER met1 ;
+        RECT 12.285 0.000 12.545 0.330 ;
+    END
+  END ENABLE_H
+  PIN PULLUP_H
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 14.555 0.000 15.135 0.330 ;
+    END
+    PORT
+      LAYER met1 ;
+        RECT 14.555 0.000 15.135 0.330 ;
+    END
+  END PULLUP_H
+  PIN EN_VDDIO_SIG_H
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 22.360 0.000 22.660 0.330 ;
+    END
+    PORT
+      LAYER met1 ;
+        RECT 22.360 0.000 22.660 0.330 ;
+    END
+    PORT
+      LAYER met2 ;
+        RECT 29.320 5.360 29.580 10.980 ;
+    END
+  END EN_VDDIO_SIG_H
+  PIN TIE_LO_ESD
+    DIRECTION OUTPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 27.580 0.000 28.230 0.330 ;
+    END
+    PORT
+      LAYER met1 ;
+        RECT 27.580 0.000 28.230 0.330 ;
+    END
+  END TIE_LO_ESD
+  PIN TIE_HI_ESD
+    DIRECTION OUTPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 30.505 0.000 31.155 0.330 ;
+    END
+    PORT
+      LAYER met1 ;
+        RECT 30.505 0.000 31.155 0.330 ;
+    END
+  END TIE_HI_ESD
+  PIN DISABLE_PULLUP_H
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 32.760 0.000 33.020 0.330 ;
+    END
+    PORT
+      LAYER met1 ;
+        RECT 32.760 0.000 33.020 0.330 ;
+    END
+  END DISABLE_PULLUP_H
+  PIN INP_SEL_H
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met1 ;
+        RECT 24.905 0.000 25.135 9.975 ;
+    END
+  END INP_SEL_H
+  PIN VSSIO
+    DIRECTION INOUT ;
+    USE GROUND ;
+    PORT
+      LAYER met4 ;
+        RECT 0.000 175.785 1.270 200.000 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 73.730 25.835 75.000 30.485 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 73.730 175.785 75.000 200.000 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 25.835 1.270 30.485 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 175.785 1.270 200.000 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 25.935 75.000 30.385 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 175.785 75.000 200.000 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 25.935 1.270 30.385 ;
+    END
+  END VSSIO
+  PIN VSSA
+    DIRECTION INOUT ;
+    USE GROUND ;
+    PORT
+      LAYER met4 ;
+        RECT 73.730 36.735 75.000 40.185 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 56.405 75.000 56.735 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 47.735 75.000 48.065 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 73.730 51.645 75.000 52.825 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 36.735 1.270 40.185 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 51.645 1.270 52.825 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 47.735 75.000 56.735 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 36.840 75.000 40.085 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 36.840 1.270 40.085 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 47.735 1.270 56.735 ;
+    END
+  END VSSA
+  PIN VSSD
+    DIRECTION INOUT ;
+    USE GROUND ;
+    PORT
+      LAYER met4 ;
+        RECT 73.730 41.585 75.000 46.235 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 41.585 1.270 46.235 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 41.685 75.000 46.135 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 41.685 1.270 46.135 ;
+    END
+  END VSSD
+  PIN AMUXBUS_B
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met4 ;
+        RECT 0.000 48.365 75.000 51.345 ;
+    END
+  END AMUXBUS_B
+  PIN AMUXBUS_A
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met4 ;
+        RECT 0.000 53.125 75.000 56.105 ;
+    END
+  END AMUXBUS_A
+  PIN VDDIO_Q
+    DIRECTION INOUT ;
+    USE POWER ;
+    PORT
+      LAYER met4 ;
+        RECT 73.730 64.085 75.000 68.535 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 64.085 1.270 68.535 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 64.185 75.000 68.435 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 64.185 1.270 68.435 ;
+    END
+  END VDDIO_Q
+  PIN VDDIO
+    DIRECTION INOUT ;
+    USE POWER ;
+    PORT
+      LAYER met4 ;
+        RECT 73.730 70.035 75.000 95.000 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 73.730 19.785 75.000 24.435 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 70.035 1.270 95.000 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 19.785 1.270 24.435 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 19.885 75.000 24.335 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 70.035 75.000 94.985 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 70.035 1.270 94.985 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 19.885 1.270 24.335 ;
+    END
+  END VDDIO
+  PIN VSWITCH
+    DIRECTION INOUT ;
+    USE POWER ;
+    PORT
+      LAYER met4 ;
+        RECT 73.730 31.885 75.000 35.335 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 31.885 1.270 35.335 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 31.985 75.000 35.235 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 31.985 1.270 35.235 ;
+    END
+  END VSWITCH
+  PIN VDDA
+    DIRECTION INOUT ;
+    USE POWER ;
+    PORT
+      LAYER met4 ;
+        RECT 74.035 14.935 75.000 18.385 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 14.935 0.965 18.385 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 74.035 15.035 75.000 18.285 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 15.035 0.965 18.285 ;
+    END
+  END VDDA
+  PIN VCCD
+    DIRECTION INOUT ;
+    USE POWER ;
+    PORT
+      LAYER met4 ;
+        RECT 73.730 8.885 75.000 13.535 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 8.885 1.270 13.535 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 8.985 75.000 13.435 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 8.985 1.270 13.435 ;
+    END
+  END VCCD
+  PIN VCCHIB
+    DIRECTION INOUT ;
+    USE POWER ;
+    PORT
+      LAYER met4 ;
+        RECT 73.730 2.035 75.000 7.485 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 2.035 1.270 7.485 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 2.135 75.000 7.385 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 2.135 1.270 7.385 ;
+    END
+  END VCCHIB
+  PIN VSSIO_Q
+    DIRECTION INOUT ;
+    USE GROUND ;
+    PORT
+      LAYER met4 ;
+        RECT 73.730 58.235 75.000 62.685 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 0.000 58.235 1.270 62.685 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 73.730 58.335 75.000 62.585 ;
+    END
+    PORT
+      LAYER met5 ;
+        RECT 0.000 58.335 1.270 62.585 ;
+    END
+  END VSSIO_Q
+  PIN PAD
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met5 ;
+        RECT 17.250 108.455 54.435 164.285 ;
+    END
+  END PAD
+  OBS
+      LAYER nwell ;
+        RECT -0.515 168.515 75.620 170.210 ;
+        RECT -0.515 146.690 1.675 168.515 ;
+        RECT 73.095 146.690 75.620 168.515 ;
+        RECT -0.515 144.880 75.620 146.690 ;
+      LAYER pwell ;
+        RECT -0.290 140.685 75.290 144.565 ;
+      LAYER nwell ;
+        RECT -0.330 130.665 75.330 140.380 ;
+      LAYER pwell ;
+        RECT -0.130 129.315 41.750 130.355 ;
+        RECT 61.910 129.315 75.130 130.355 ;
+        RECT -0.130 124.135 75.130 129.315 ;
+        RECT -0.130 102.525 1.435 124.135 ;
+        RECT 73.560 102.525 75.130 124.135 ;
+        RECT -0.130 99.230 75.130 102.525 ;
+        RECT -0.130 97.995 58.470 99.230 ;
+        RECT 71.930 97.995 75.130 99.230 ;
+        RECT -0.130 96.735 75.130 97.995 ;
+        RECT -0.130 96.730 58.470 96.735 ;
+      LAYER li1 ;
+        RECT 0.000 144.435 75.000 199.220 ;
+        RECT -0.160 140.815 75.160 144.435 ;
+        RECT 0.000 130.225 75.000 140.815 ;
+        RECT -0.265 101.395 75.000 130.225 ;
+        RECT 0.000 0.185 75.000 101.395 ;
+      LAYER met1 ;
+        RECT 0.000 170.090 75.000 199.210 ;
+        RECT -0.145 131.275 75.145 170.090 ;
+        RECT 0.000 130.220 75.000 131.275 ;
+        RECT -0.145 95.895 75.145 130.220 ;
+        RECT 0.000 10.255 75.000 95.895 ;
+        RECT 0.000 0.610 24.625 10.255 ;
+        RECT 0.000 0.185 12.005 0.610 ;
+        RECT 12.825 0.185 14.275 0.610 ;
+        RECT 15.415 0.185 22.080 0.610 ;
+        RECT 22.940 0.185 24.625 0.610 ;
+        RECT 25.415 0.610 75.000 10.255 ;
+        RECT 25.415 0.185 27.300 0.610 ;
+        RECT 28.510 0.185 30.225 0.610 ;
+        RECT 31.435 0.185 32.480 0.610 ;
+        RECT 33.300 0.185 75.000 0.610 ;
+      LAYER met2 ;
+        RECT 0.340 11.260 74.915 199.210 ;
+        RECT 0.340 5.080 29.040 11.260 ;
+        RECT 29.860 5.080 74.915 11.260 ;
+        RECT 0.340 1.690 74.915 5.080 ;
+        RECT 0.340 0.845 19.795 1.690 ;
+        RECT 0.340 0.610 16.965 0.845 ;
+        RECT 0.340 0.000 8.145 0.610 ;
+        RECT 9.175 0.000 12.005 0.610 ;
+        RECT 12.825 0.000 14.275 0.610 ;
+        RECT 15.415 0.000 16.965 0.610 ;
+        RECT 19.190 0.000 19.795 0.845 ;
+        RECT 21.505 0.610 74.915 1.690 ;
+        RECT 21.505 0.000 22.080 0.610 ;
+        RECT 22.940 0.000 27.300 0.610 ;
+        RECT 28.510 0.000 28.655 0.610 ;
+        RECT 29.945 0.000 30.225 0.610 ;
+        RECT 31.435 0.000 32.480 0.610 ;
+        RECT 33.300 0.000 71.935 0.610 ;
+        RECT 73.515 0.000 74.915 0.610 ;
+      LAYER met3 ;
+        RECT 0.965 64.865 74.700 200.000 ;
+        RECT 0.965 49.585 71.790 64.865 ;
+        RECT 74.325 49.585 74.700 64.865 ;
+        RECT 0.965 1.810 74.700 49.585 ;
+        RECT 0.965 0.965 19.675 1.810 ;
+        RECT 0.965 0.730 16.845 0.965 ;
+        RECT 0.965 0.330 8.000 0.730 ;
+        RECT 9.320 0.330 16.845 0.730 ;
+        RECT 19.310 0.330 19.675 0.965 ;
+        RECT 21.625 0.730 74.700 1.810 ;
+        RECT 21.625 0.330 28.535 0.730 ;
+        RECT 30.065 0.330 71.790 0.730 ;
+        RECT 73.660 0.330 74.700 0.730 ;
+      LAYER met4 ;
+        RECT 1.670 175.385 73.330 200.000 ;
+        RECT 0.965 95.400 74.035 175.385 ;
+        RECT 1.670 69.635 73.330 95.400 ;
+        RECT 0.965 68.935 74.035 69.635 ;
+        RECT 1.670 63.685 73.330 68.935 ;
+        RECT 0.965 63.085 74.035 63.685 ;
+        RECT 1.670 57.835 73.330 63.085 ;
+        RECT 0.965 57.135 74.035 57.835 ;
+        RECT 1.670 51.745 73.330 52.725 ;
+        RECT 0.965 46.635 74.035 47.335 ;
+        RECT 1.670 41.185 73.330 46.635 ;
+        RECT 0.965 40.585 74.035 41.185 ;
+        RECT 1.670 36.335 73.330 40.585 ;
+        RECT 0.965 35.735 74.035 36.335 ;
+        RECT 1.670 31.485 73.330 35.735 ;
+        RECT 0.965 30.885 74.035 31.485 ;
+        RECT 1.670 25.435 73.330 30.885 ;
+        RECT 0.965 24.835 74.035 25.435 ;
+        RECT 1.670 19.385 73.330 24.835 ;
+        RECT 0.965 18.785 74.035 19.385 ;
+        RECT 1.365 14.535 73.635 18.785 ;
+        RECT 0.965 13.935 74.035 14.535 ;
+        RECT 1.670 8.485 73.330 13.935 ;
+        RECT 0.965 7.885 74.035 8.485 ;
+        RECT 1.670 2.035 73.330 7.885 ;
+      LAYER met5 ;
+        RECT 2.870 174.185 72.130 200.000 ;
+        RECT 0.000 165.885 75.000 174.185 ;
+        RECT 0.000 106.855 15.650 165.885 ;
+        RECT 56.035 106.855 75.000 165.885 ;
+        RECT 0.000 96.585 75.000 106.855 ;
+        RECT 2.870 18.285 72.130 96.585 ;
+        RECT 2.565 15.035 72.435 18.285 ;
+        RECT 2.870 2.135 72.130 15.035 ;
+  END
+END sky130_fd_io__top_xres4v2
+END LIBRARY
+