Modified names in files to match the correct Google/SkyWater conventions.

commit: ab5bae8e4cb1ccf7f1708c72328354366989cc97 [log] [tgz]
author: Tim Edwards <tim@opencircuitdesign.com> Sun Jul 05 17:40:59 2020 -0400
committer: Tim Edwards <tim@opencircuitdesign.com> Sun Jul 05 17:40:59 2020 -0400
tree: 0c6ebf777096358e9bb56c925833d282c41822ee
parent: 55f4d0e3a2ff276a220fd75d535b2c23b12eab72 [diff]
diff --git a/sky130/config.tcl b/sky130/config.tcl
index d34b05f..ba96898 100644
--- a/sky130/config.tcl
+++ b/sky130/config.tcl

@@ -21,7 +21,7 @@
 set ::env(CELLS_LEF) [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lef/$::env(PDK_VARIANT)/*.lef"]
 set ::env(MAGIC_TECH_FILE) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/magic/current/EFS8A.tech"
 set ::env(MAGIC_MAGICRC) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/magic/current/EFS8A.magicrc"
-set ::env(GPIO_PADS_LEF) [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lef/s8iom0s8/routing_abstract/*.lef"]
+set ::env(GPIO_PADS_LEF) [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lef/sky130_fd_io/routing_abstract/*.lef"]
 
 # netgen setup
 set ::env(NETGEN_SETUP_FILE) $::env(PDK_ROOT)/$::env(PDK)/libs.tech/netgen/$::env(PDK)_setup.tcl 

diff --git a/sky130/custom/models/sky130.lib b/sky130/custom/models/sky130.lib
index 04c51ed..0c65706 100644
--- a/sky130/custom/models/sky130.lib
+++ b/sky130/custom/models/sky130.lib

@@ -1,4 +1,4 @@
-******* SkyWater s8 model library *********
+******* SkyWater sky130 model library *********
 * Typical corner (tt)
 .lib tt
 * MOSFET

diff --git a/sky130/custom/scripts/fixspice.py b/sky130/custom/scripts/fixspice.py
index 92cca88..f1ff86f 100755
--- a/sky130/custom/scripts/fixspice.py
+++ b/sky130/custom/scripts/fixspice.py

@@ -7,7 +7,7 @@
 # script will get the original set working with ngspice.
 #
 # This script is a filter to be run by setting the name of this script as
-# the value to "filter=" for the model install in the s8 Makefile.
+# the value to "filter=" for the model install in the sky130 Makefile.
 
 import re
 import os

diff --git a/sky130/custom/sky130_fd_io/README b/sky130/custom/sky130_fd_io/README
index edffb27..0d612fc 100644
--- a/sky130/custom/sky130_fd_io/README
+++ b/sky130/custom/sky130_fd_io/README

@@ -1,10 +1,10 @@
 This directory contains standard format files for "power_pads_lib",
-which is an efabless addendum to the SkyWater I/O library "s8iom0".
+which is an efabless addendum to the SkyWater I/O library "sky130_fd_io".
 
 power_pads_lib does the following:
 
 (1) Changes the orientation of the corner pad from upper-right to
-    lower-left with a wrapper cell called "s8iom0_corner_pad".  Also
+    lower-left with a wrapper cell called "sky130_fd_io__corner_pad".  Also
     extends the power buses to make the dimensions of the corner pad
     multiples of 1um.
 
@@ -16,5 +16,5 @@
     either high- or low-voltage clamps, connecting to one of the six
     power domains vddio, vdda, vccd, vssio, vssa, or vssd.
 
-"power_pads_lib" is open source copyright 2019 efabless, Inc.
+"power_pads_lib" is open source copyright 2020 efabless, Inc.
 Released under Apache 2.0 license

diff --git a/sky130/custom/sky130_fd_io/cdl/power_pads_lib.cdl b/sky130/custom/sky130_fd_io/cdl/power_pads_lib.cdl
index 538405f..8b7e295 100644
--- a/sky130/custom/sky130_fd_io/cdl/power_pads_lib.cdl
+++ b/sky130/custom/sky130_fd_io/cdl/power_pads_lib.cdl

@@ -1,88 +1,88 @@
-* Power pads library (s8 power pads + overlays)
+* Power pads library (sky130 power pads + overlays)
 * Includes corner and fill cell subcircuits
 
-.SUBCKT s8iom0_vdda_hvc_pad
+.SUBCKT sky130_fd_io__vdda_hvc_pad
 + amuxbus_a amuxbus_b drn_hvc src_bdy_hvc
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vdda_lvc_pad
+.SUBCKT sky130_fd_io__vdda_lvc_pad
 + amuxbus_a amuxbus_b drn_lvc1 drn_lvc2 src_bdy_lvc1 src_bdy_lvc2
 + bdy2_b2b vssi
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vddio_hvc_pad
+.SUBCKT sky130_fd_io__vddio_hvc_pad
 + amuxbus_a amuxbus_b drn_hvc src_bdy_hvc
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vddio_lvc_pad
+.SUBCKT sky130_fd_io__vddio_lvc_pad
 + amuxbus_a amuxbus_b drn_lvc1 drn_lvc2 src_bdy_lvc1 src_bdy_lvc2
 + bdy2_b2b vssi
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vccd_hvc_pad
+.SUBCKT sky130_fd_io__vccd_hvc_pad
 + amuxbus_a amuxbus_b drn_hvc src_bdy_hvc
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vccd_lvc_pad
+.SUBCKT sky130_fd_io__vccd_lvc_pad
 + amuxbus_a amuxbus_b drn_lvc1 drn_lvc2 src_bdy_lvc1 src_bdy_lvc2
 + bdy2_b2b vssi
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vssa_hvc_pad
+.SUBCKT sky130_fd_io__vssa_hvc_pad
 + amuxbus_a amuxbus_b drn_hvc src_bdy_hvc
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vssa_lvc_pad
+.SUBCKT sky130_fd_io__vssa_lvc_pad
 + amuxbus_a amuxbus_b drn_lvc1 drn_lvc2 src_bdy_lvc1 src_bdy_lvc2
 + bdy2_b2b vssi
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vssio_hvc_pad
+.SUBCKT sky130_fd_io__vssio_hvc_pad
 + amuxbus_a amuxbus_b drn_hvc src_bdy_hvc
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vssio_lvc_pad
+.SUBCKT sky130_fd_io__vssio_lvc_pad
 + amuxbus_a amuxbus_b drn_lvc1 drn_lvc2 src_bdy_lvc1 src_bdy_lvc2
 + bdy2_b2b vssi
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vssd_hvc_pad
+.SUBCKT sky130_fd_io__vssd_hvc_pad
 + amuxbus_a amuxbus_b drn_hvc src_bdy_hvc
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_vssd_lvc_pad
+.SUBCKT sky130_fd_io__vssd_lvc_pad
 + amuxbus_a amuxbus_b drn_lvc1 drn_lvc2 src_bdy_lvc1 src_bdy_lvc2
 + bdy2_b2b vssi
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_corner_pad
+.SUBCKT sky130_fd_io__corner_pad
 + amuxbus_a amuxbus_b 
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0s8_com_bus_slice
+.SUBCKT sky130_fd_io__com_bus_slice
 + amuxbus_a amuxbus_b
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0s8_com_bus_slice_1um
+.SUBCKT sky130_fd_io__com_bus_slice_1um
 + amuxbus_a amuxbus_b
 + vssa vdda vswitch vddio_q vcchib vddio vccd vssio vssd vssio_q
 .ENDS
 
-.SUBCKT s8iom0_gpiov2_pad
+.SUBCKT sky130_fd_io__gpiov2_pad
 + in_h pad_a_noesd_h pad_a_esd_0_h pad_a_esd_1_h
 + pad dm<2> dm<1> dm<0> hld_h_n in inp_dis ib_mode_sel enable_h enable_vdda_h
 + enable_inp_h oe_n tie_hi_esd tie_lo_esd slow vtrip_sel hld_ovr

diff --git a/sky130/custom/sky130_fd_io/gds/power_pads_lib.gds b/sky130/custom/sky130_fd_io/gds/power_pads_lib.gds
index da0dc4d..5698a0a 100644
--- a/sky130/custom/sky130_fd_io/gds/power_pads_lib.gds
+++ b/sky130/custom/sky130_fd_io/gds/power_pads_lib.gds
Binary files differ

diff --git a/sky130/custom/sky130_fd_io/lef/power_pads_lib.lef b/sky130/custom/sky130_fd_io/lef/power_pads_lib.lef
index 1ff3c03..b140e33 100644
--- a/sky130/custom/sky130_fd_io/lef/power_pads_lib.lef
+++ b/sky130/custom/sky130_fd_io/lef/power_pads_lib.lef

@@ -7,9 +7,9 @@
    DATABASE MICRONS 1000 ;
 END UNITS
 
-MACRO s8iom0_gpiov2_pad
+MACRO sky130_fd_io__gpiov2_pad
    CLASS PAD INOUT ;
-   FOREIGN s8iom0_gpiov2_pad ;
+   FOREIGN sky130_fd_io__gpiov2_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 80.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -533,10 +533,10 @@
 	    RECT 2.5650 13.0000 77.3700 16.2500 ;
 	    RECT 2.8700 0.1000 77.1300 13.0000 ;
    END
-END s8iom0_gpiov2_pad
-MACRO s8iom0_vddio_lvc_pad
+END sky130_fd_io__gpiov2_pad
+MACRO sky130_fd_io__vddio_lvc_pad
    CLASS PAD POWER ;
-   FOREIGN s8iom0_vddio_lvc_pad ;
+   FOREIGN sky130_fd_io__vddio_lvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -900,10 +900,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vddio_lvc_pad
-MACRO s8iom0_vddio_hvc_pad
+END sky130_fd_io__vddio_lvc_pad
+MACRO sky130_fd_io__vddio_hvc_pad
    CLASS PAD POWER ;
-   FOREIGN s8iom0_vddio_hvc_pad ;
+   FOREIGN sky130_fd_io__vddio_hvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -1254,10 +1254,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vddio_hvc_pad
-MACRO s8iom0_vccd_hvc_pad
+END sky130_fd_io__vddio_hvc_pad
+MACRO sky130_fd_io__vccd_hvc_pad
    CLASS PAD POWER ;
-   FOREIGN s8iom0_vccd_hvc_pad ;
+   FOREIGN sky130_fd_io__vccd_hvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -1608,10 +1608,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vccd_hvc_pad
-MACRO s8iom0_vccd_lvc_pad
+END sky130_fd_io__vccd_hvc_pad
+MACRO sky130_fd_io__vccd_lvc_pad
    CLASS PAD POWER ;
-   FOREIGN s8iom0_vccd_lvc_pad ;
+   FOREIGN sky130_fd_io__vccd_lvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -1983,10 +1983,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vccd_lvc_pad
-MACRO s8iom0_vdda_hvc_pad
+END sky130_fd_io__vccd_lvc_pad
+MACRO sky130_fd_io__vdda_hvc_pad
    CLASS PAD POWER ;
-   FOREIGN s8iom0_vdda_hvc_pad ;
+   FOREIGN sky130_fd_io__vdda_hvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -2345,10 +2345,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vdda_hvc_pad
-MACRO s8iom0_vdda_lvc_pad
+END sky130_fd_io__vdda_hvc_pad
+MACRO sky130_fd_io__vdda_lvc_pad
    CLASS PAD POWER ;
-   FOREIGN s8iom0_vdda_lvc_pad ;
+   FOREIGN sky130_fd_io__vdda_lvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -2712,10 +2712,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vdda_lvc_pad
-MACRO s8iom0s8_com_bus_slice_1um
+END sky130_fd_io__vdda_lvc_pad
+MACRO sky130_fd_io__com_bus_slice_1um
    CLASS PAD SPACER ;
-   FOREIGN s8iom0s8_com_bus_slice_1um ;
+   FOREIGN sky130_fd_io__com_bus_slice_1um ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 1.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -2862,10 +2862,10 @@
          LAYER met4 ;
 	    RECT 0.0000 173.7500 1.0000 197.9650 ;
    END
-END s8iom0s8_com_bus_slice_1um
-MACRO s8iom0_vssio_hvc_pad
+END sky130_fd_io__com_bus_slice_1um
+MACRO sky130_fd_io__vssio_hvc_pad
    CLASS PAD GROUND ;
-   FOREIGN s8iom0_vssio_hvc_pad ;
+   FOREIGN sky130_fd_io__vssio_hvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -3215,10 +3215,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vssio_hvc_pad
-MACRO s8iom0_corner_pad
+END sky130_fd_io__vssio_hvc_pad
+MACRO sky130_fd_io__corner_pad
    CLASS ENDCAP TOPRIGHT ;
-   FOREIGN s8iom0_corner_pad ;
+   FOREIGN sky130_fd_io__corner_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 200.0000 BY 204.0000 ;
    PIN amuxbus_a
@@ -3569,10 +3569,10 @@
 	    RECT 15.0350 2.8550 18.2850 2.8700 ;
 	    RECT 96.5850 0.0000 200.0000 3.4550 ;
    END
-END s8iom0_corner_pad
-MACRO s8iom0_vssio_lvc_pad
+END sky130_fd_io__corner_pad
+MACRO sky130_fd_io__vssio_lvc_pad
    CLASS PAD GROUND ;
-   FOREIGN s8iom0_vssio_lvc_pad ;
+   FOREIGN sky130_fd_io__vssio_lvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -3935,10 +3935,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vssio_lvc_pad
-MACRO s8iom0_vssa_lvc_pad
+END sky130_fd_io__vssio_lvc_pad
+MACRO sky130_fd_io__vssa_lvc_pad
    CLASS PAD GROUND ;
-   FOREIGN s8iom0_vssa_lvc_pad ;
+   FOREIGN sky130_fd_io__vssa_lvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -4301,10 +4301,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vssa_lvc_pad
-MACRO s8iom0_vssa_hvc_pad
+END sky130_fd_io__vssa_lvc_pad
+MACRO sky130_fd_io__vssa_hvc_pad
    CLASS PAD GROUND ;
-   FOREIGN s8iom0_vssa_hvc_pad ;
+   FOREIGN sky130_fd_io__vssa_hvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -4659,10 +4659,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vssa_hvc_pad
-MACRO s8iom0_vssd_hvc_pad
+END sky130_fd_io__vssa_hvc_pad
+MACRO sky130_fd_io__vssd_hvc_pad
    CLASS PAD GROUND ;
-   FOREIGN s8iom0_vssd_hvc_pad ;
+   FOREIGN sky130_fd_io__vssd_hvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -5013,10 +5013,10 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vssd_hvc_pad
-MACRO s8iom0_vssd_lvc_pad
+END sky130_fd_io__vssd_hvc_pad
+MACRO sky130_fd_io__vssd_lvc_pad
    CLASS PAD GROUND ;
-   FOREIGN s8iom0_vssd_lvc_pad ;
+   FOREIGN sky130_fd_io__vssd_lvc_pad ;
    ORIGIN -0.0000 -0.0000 ;
    SIZE 75.0000 BY 197.9650 ;
    PIN amuxbus_a
@@ -5387,5 +5387,5 @@
 	    RECT 2.5650 13.0000 72.4350 16.2500 ;
 	    RECT 2.8700 0.1000 72.1300 13.0000 ;
    END
-END s8iom0_vssd_lvc_pad
+END sky130_fd_io__vssd_lvc_pad
 END LIBRARY ;

diff --git a/sky130/custom/sky130_fd_io/mag/all_pads_test.mag b/sky130/custom/sky130_fd_io/mag/all_pads_test.mag
index 54d9f7a..ea9cc9c 100644
--- a/sky130/custom/sky130_fd_io/mag/all_pads_test.mag
+++ b/sky130/custom/sky130_fd_io/mag/all_pads_test.mag

@@ -1,5 +1,5 @@
 magic
-tech EFS8A
+tech sky130A
 magscale 1 2
 timestamp 1584383567
 << error_s >>
@@ -8424,67 +8424,67 @@
 rect 114055 45257 114105 46257
 rect 89425 44702 89751 44703
 rect 86297 44472 86383 44508
-use s8iom0_vdda_lvc_pad  s8iom0_vdda_lvc_pad_0
+use sky130_fd_io__vdda_lvc_pad  sky130_fd_io__vdda_lvc_pad_0
 timestamp 1584383356
 transform 1 0 -868 0 1 91931
 box 0 -61 15000 39593
-use s8iom0_vdda_hvc_pad  s8iom0_vdda_hvc_pad_0
+use sky130_fd_io__vdda_hvc_pad  sky130_fd_io__vdda_hvc_pad_0
 timestamp 1584383356
 transform 1 0 19686 0 1 92471
 box 0 -407 15000 39593
-use s8iom0_vccd_lvc_pad  s8iom0_vccd_lvc_pad_0
+use sky130_fd_io__vccd_lvc_pad  sky130_fd_io__vccd_lvc_pad_0
 timestamp 1584383356
 transform 1 0 38106 0 1 91155
 box 0 -61 15000 39593
-use s8iom0_vccd_hvc_pad  s8iom0_vccd_hvc_pad_0
+use sky130_fd_io__vccd_hvc_pad  sky130_fd_io__vccd_hvc_pad_0
 timestamp 1584383356
 transform 1 0 56526 0 1 91335
 box 0 -435 15000 39593
-use s8iom0_vddio_hvc_pad  s8iom0_vddio_hvc_pad_0
+use sky130_fd_io__vddio_hvc_pad  sky130_fd_io__vddio_hvc_pad_0
 timestamp 1584383356
 transform 1 0 77078 0 1 92305
 box 0 -435 15000 39593
-use s8iom0_vddio_lvc_pad  s8iom0_vddio_lvc_pad_0
+use sky130_fd_io__vddio_lvc_pad  sky130_fd_io__vddio_lvc_pad_0
 timestamp 1584383356
 transform 1 0 97048 0 1 92319
 box 0 -61 15000 39593
-use s8iom0_gpiov2_pad  s8iom0_gpiov2_pad_0
+use sky130_fd_io__gpiov2_pad  sky130_fd_io__gpiov2_pad_0
 timestamp 1584383356
 transform 1 0 119295 0 1 92724
 box -143 -466 16134 39593
-use s8iom0s8_top_xres4v2  s8iom0s8_top_xres4v2_0 ~/projects/efabless/tech/SW/EFS8A/libs.ref/s8iom0s8/mag
+use sky130_fd_io__top_xres4v2  sky130_fd_io__top_xres4v2_0 ~/projects/efabless/tech/SW/EFS8A/libs.ref/sky130_fd_io/mag
 timestamp 1584046481
 transform 1 0 140197 0 1 92452
 box -103 0 15124 40000
-use s8iom0s8_top_gpio_ovtv2  s8iom0s8_top_gpio_ovtv2_0 ~/projects/efabless/tech/SW/EFS8A/libs.ref/s8iom0s8/mag
+use sky130_fd_io__top_gpio_ovtv2  sky130_fd_io__top_gpio_ovtv2_0 ~/projects/efabless/tech/SW/EFS8A/libs.ref/sky130_fd_io/mag
 timestamp 1584046481
 transform 1 0 160920 0 1 92540
 box -80 -88 28211 40076
-use s8iom0_vssd_lvc_pad  s8iom0_vssd_lvc_pad_0
+use sky130_fd_io__vssd_lvc_pad  sky130_fd_io__vssd_lvc_pad_0
 timestamp 1584383356
 transform 1 0 -480 0 1 46173
 box 0 -61 15000 39593
-use s8iom0_vssd_hvc_pad  s8iom0_vssd_hvc_pad_0
+use sky130_fd_io__vssd_hvc_pad  sky130_fd_io__vssd_hvc_pad_0
 timestamp 1584383356
 transform 1 0 18134 0 1 46741
 box 0 -435 15000 39593
-use s8iom0_vssa_hvc_pad  s8iom0_vssa_hvc_pad_0
+use sky130_fd_io__vssa_hvc_pad  sky130_fd_io__vssa_hvc_pad_0
 timestamp 1584383356
 transform 1 0 37912 0 1 46935
 box 0 -435 15000 39593
-use s8iom0_vssa_lvc_pad  s8iom0_vssa_lvc_pad_0
+use sky130_fd_io__vssa_lvc_pad  sky130_fd_io__vssa_lvc_pad_0
 timestamp 1584383356
 transform 1 0 60016 0 1 44427
 box 0 -61 15000 39593
-use s8iom0_vssio_lvc_pad  s8iom0_vssio_lvc_pad_0
+use sky130_fd_io__vssio_lvc_pad  sky130_fd_io__vssio_lvc_pad_0
 timestamp 1584383356
 transform 1 0 79018 0 1 44233
 box 0 -61 15000 39593
-use s8iom0_vssio_hvc_pad  s8iom0_vssio_hvc_pad_0
+use sky130_fd_io__vssio_hvc_pad  sky130_fd_io__vssio_hvc_pad_0
 timestamp 1584383356
 transform 1 0 100540 0 1 44967
 box 0 -407 15000 39593
-use s8iom0_corner_pad  s8iom0_corner_pad_0
+use sky130_fd_io__corner_pad  sky130_fd_io__corner_pad_0
 timestamp 1584383356
 transform 1 0 123795 0 1 46420
 box -181 -114 40000 40800

diff --git a/sky130/custom/sky130_fd_io/mag/power_pads_lib.mag b/sky130/custom/sky130_fd_io/mag/power_pads_lib.mag
index a8876fa..085f7ec 100644
--- a/sky130/custom/sky130_fd_io/mag/power_pads_lib.mag
+++ b/sky130/custom/sky130_fd_io/mag/power_pads_lib.mag

@@ -1,64 +1,64 @@
 magic
-tech EFS8A
+tech sky130A
 magscale 1 2
 timestamp 1585845698
-use s8iom0_vssd_lvc_pad  s8iom0_vssd_lvc_pad_0
+use sky130_fd_io__vssd_lvc_pad  sky130_fd_io__vssd_lvc_pad_0
 timestamp 1585845698
 transform 1 0 1268 0 1 -42858
 box 0 -61 15000 39593
-use s8iom0_vssd_hvc_pad  s8iom0_vssd_hvc_pad_0
+use sky130_fd_io__vssd_hvc_pad  sky130_fd_io__vssd_hvc_pad_0
 timestamp 1585845698
 transform 1 0 18322 0 1 -43322
 box 0 -435 15000 39593
-use s8iom0_vssa_hvc_pad  s8iom0_vssa_hvc_pad_0
+use sky130_fd_io__vssa_hvc_pad  sky130_fd_io__vssa_hvc_pad_0
 timestamp 1585845698
 transform 1 0 36302 0 1 -43582
 box 0 -435 15000 39593
-use s8iom0_vssa_lvc_pad  s8iom0_vssa_lvc_pad_0
+use sky130_fd_io__vssa_lvc_pad  sky130_fd_io__vssa_lvc_pad_0
 timestamp 1585845698
 transform 1 0 54022 0 1 -43956
 box 0 -61 15000 39593
-use s8iom0_vssio_lvc_pad  s8iom0_vssio_lvc_pad_0
+use sky130_fd_io__vssio_lvc_pad  sky130_fd_io__vssio_lvc_pad_0
 timestamp 1585845698
 transform 1 0 71611 0 1 -43826
 box 0 -7 15000 39593
-use s8iom0_corner_pad  s8iom0_corner_pad_0
+use sky130_fd_io__corner_pad  sky130_fd_io__corner_pad_0
 timestamp 1585845698
 transform 1 0 111407 0 1 -43193
 box -181 -114 40000 40800
-use s8iom0_vssio_hvc_pad  s8iom0_vssio_hvc_pad_0
+use sky130_fd_io__vssio_hvc_pad  sky130_fd_io__vssio_hvc_pad_0
 timestamp 1585845698
 transform 1 0 89461 0 1 -43192
 box 0 -407 15000 39593
-use s8iom0s8_com_bus_slice_1um  s8iom0s8_com_bus_slice_1um_0
+use sky130_fd_io__com_bus_slice_1um  sky130_fd_io__com_bus_slice_1um_0
 timestamp 1576684134
 transform 1 0 108518 0 1 -43389
 box 0 0 200 39593
-use s8iom0_vdda_lvc_pad  s8iom0_vdda_lvc_pad_0
+use sky130_fd_io__vdda_lvc_pad  sky130_fd_io__vdda_lvc_pad_0
 timestamp 1585845698
 transform 1 0 1952 0 1 -313
 box 0 -61 15000 39593
-use s8iom0_vdda_hvc_pad  s8iom0_vdda_hvc_pad_0
+use sky130_fd_io__vdda_hvc_pad  sky130_fd_io__vdda_hvc_pad_0
 timestamp 1585845698
 transform 1 0 20277 0 1 195
 box 0 -435 15000 39593
-use s8iom0_vccd_lvc_pad  s8iom0_vccd_lvc_pad_0
+use sky130_fd_io__vccd_lvc_pad  sky130_fd_io__vccd_lvc_pad_0
 timestamp 1585845698
 transform 1 0 37605 0 1 -49
 box 0 -61 15000 39593
-use s8iom0_vddio_hvc_pad  s8iom0_vddio_hvc_pad_0
+use sky130_fd_io__vddio_hvc_pad  sky130_fd_io__vddio_hvc_pad_0
 timestamp 1585845698
 transform 1 0 73415 0 1 258
 box 0 -435 15000 39593
-use s8iom0_vccd_hvc_pad  s8iom0_vccd_hvc_pad_0
+use sky130_fd_io__vccd_hvc_pad  sky130_fd_io__vccd_hvc_pad_0
 timestamp 1585845698
 transform 1 0 55455 0 1 325
 box 0 -435 15000 39593
-use s8iom0_gpiov2_pad  s8iom0_gpiov2_pad_0
+use sky130_fd_io__gpiov2_pad  sky130_fd_io__gpiov2_pad_0
 timestamp 1585845698
 transform 1 0 110622 0 1 590
 box -143 -466 16134 39593
-use s8iom0_vddio_lvc_pad  s8iom0_vddio_lvc_pad_0
+use sky130_fd_io__vddio_lvc_pad  sky130_fd_io__vddio_lvc_pad_0
 timestamp 1585845698
 transform 1 0 91354 0 1 -208
 box 0 -7 15000 39593

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__com_bus_slice_1um.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__com_bus_slice_1um.mag
new file mode 100644
index 0000000..80605d1
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__com_bus_slice_1um.mag

@@ -0,0 +1,99 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1586352185
+<< metal4 >>
+rect 0 34750 200 39593
+rect 0 13600 200 18593
+rect 0 12410 200 13300
+rect 0 11240 200 12130
+rect 0 10874 200 10940
+rect 0 10218 200 10814
+rect 0 9922 200 10158
+rect 0 9266 200 9862
+rect 0 9140 200 9206
+rect 0 7910 200 8840
+rect 0 6940 200 7630
+rect 0 5970 200 6660
+rect 0 4760 200 5690
+rect 0 3550 200 4480
+rect 0 2580 200 3270
+rect 0 1370 200 2300
+rect 0 0 200 1090
+<< metal5 >>
+rect 0 34750 200 39593
+rect 0 13600 200 18590
+rect 0 12430 200 13280
+rect 0 11260 200 12110
+rect 0 9140 200 10940
+rect 0 7930 200 8820
+rect 0 6960 200 7610
+rect 0 5990 200 6640
+rect 0 4780 200 5670
+rect 0 3570 200 4460
+rect 0 2600 200 3250
+rect 0 1390 200 2280
+rect 0 20 200 1070
+<< labels >>
+flabel metal4 s 0 13600 200 18593 0 FreeSans 640 0 0 0 vddio
+port 7 nsew
+flabel metal5 s 0 12430 200 13280 0 FreeSans 640 0 0 0 vddio_q
+port 5 nsew
+flabel metal4 s 0 12410 200 13300 0 FreeSans 640 0 0 0 vddio_q
+port 5 nsew
+flabel metal5 s 0 11260 200 12110 0 FreeSans 640 0 0 0 vssio_q
+port 11 nsew
+flabel metal4 s 0 11240 200 12130 0 FreeSans 640 0 0 0 vssio_q
+port 11 nsew
+flabel metal5 s 0 9140 200 10940 0 FreeSans 640 0 0 0 vssa
+port 2 nsew
+flabel metal4 s 0 10874 200 10940 0 FreeSans 640 0 0 0 vssa
+port 2 nsew
+flabel metal4 s 0 10218 200 10814 0 FreeSans 640 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 9266 200 9862 0 FreeSans 640 0 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 0 9140 200 9206 0 FreeSans 640 0 0 0 vssa
+port 2 nsew
+flabel metal5 s 0 7930 200 8820 0 FreeSans 640 0 0 0 vssd
+port 10 nsew
+flabel metal4 s 0 7910 200 8840 0 FreeSans 640 0 0 0 vssd
+port 10 nsew
+flabel metal5 s 0 6960 200 7610 0 FreeSans 640 0 0 0 vssa
+port 2 nsew
+flabel metal4 s 0 6940 200 7630 0 FreeSans 640 0 0 0 vssa
+port 2 nsew
+flabel metal5 s 0 5990 200 6640 0 FreeSans 640 0 0 0 vswitch
+port 4 nsew
+flabel metal4 s 0 5970 200 6660 0 FreeSans 640 0 0 0 vswitch
+port 4 nsew
+flabel metal5 s 0 4780 200 5670 0 FreeSans 640 0 0 0 vssio
+port 9 nsew
+flabel metal4 s 0 4760 200 5690 0 FreeSans 640 0 0 0 vssio
+port 9 nsew
+flabel metal5 s 0 3570 200 4460 0 FreeSans 640 0 0 0 vddio
+port 7 nsew
+flabel metal4 s 0 3550 200 4480 0 FreeSans 640 0 0 0 vddio
+port 7 nsew
+flabel metal5 s 0 2600 200 3250 0 FreeSans 640 0 0 0 vdda
+port 3 nsew
+flabel metal4 s 0 2580 200 3270 0 FreeSans 640 0 0 0 vdda
+port 3 nsew
+flabel metal5 s 0 1390 200 2280 0 FreeSans 640 0 0 0 vccd
+port 8 nsew
+flabel metal4 s 0 1370 200 2300 0 FreeSans 640 0 0 0 vccd
+port 8 nsew
+flabel metal5 s 0 20 200 1070 0 FreeSans 640 0 0 0 vcchib
+port 6 nsew
+flabel metal4 s 0 0 200 1090 0 FreeSans 640 0 0 0 vcchib
+port 6 nsew
+flabel metal5 s 0 34750 200 39593 0 FreeSans 640 0 0 0 vssio
+port 9 nsew
+flabel metal5 s 0 13600 200 18590 0 FreeSans 640 0 0 0 vddio
+port 7 nsew
+flabel metal4 s 0 9922 200 10158 0 FreeSans 640 0 0 0 vssa
+port 2 nsew
+<< properties >>
+string LEFclass PAD SPACER
+string FIXED_BBOX 0 0 200 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__corner_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__corner_pad.mag
new file mode 100644
index 0000000..4a89670
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__corner_pad.mag

@@ -0,0 +1,199 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1576765820
+<< metal4 >>
+rect 0 35957 254 40800
+rect 0 14807 254 19800
+rect 0 13617 254 14507
+rect 0 12447 254 13337
+rect 0 12081 254 12147
+rect 0 11425 100 12021
+rect 0 11129 254 11365
+rect 0 10473 116 11069
+rect 0 10347 254 10413
+rect 0 9117 254 10047
+rect 0 8147 254 8837
+rect 0 7177 254 7867
+rect 0 5967 254 6897
+rect 0 4757 254 5687
+rect 0 3787 254 4477
+rect 0 2577 254 3507
+rect 0 1207 254 2297
+rect 407 0 1497 254
+rect 1777 0 2707 254
+rect 2987 0 3677 254
+rect 3957 0 4887 254
+rect 5167 0 6097 254
+rect 6377 0 7067 254
+rect 7347 0 8037 254
+rect 8317 0 9247 254
+rect 9547 0 9613 254
+rect 9673 0 10269 115
+rect 10329 0 10565 254
+rect 10625 0 11221 100
+rect 11281 0 11347 254
+rect 11647 0 12537 254
+rect 12817 0 13707 254
+rect 14007 0 19000 254
+rect 35157 0 40000 254
+<< metal5 >>
+rect 0 35957 254 40800
+rect 0 14807 254 19797
+rect 0 13637 254 14487
+rect 0 12467 254 13317
+rect 0 10347 254 12147
+rect 0 9137 254 10027
+rect 0 8167 254 8817
+rect 0 7197 254 7847
+rect 0 5987 254 6877
+rect 0 4777 254 5667
+rect 0 3807 254 4457
+rect 0 2597 254 3487
+rect 0 1227 254 2277
+rect 427 0 1477 254
+rect 1797 0 2687 254
+rect 3007 0 3657 254
+rect 3977 0 4867 254
+rect 5187 0 6077 254
+rect 6397 0 7047 254
+rect 7367 0 8017 254
+rect 8337 0 9227 254
+rect 9547 0 11347 254
+rect 11667 0 12517 254
+rect 12837 0 13687 254
+rect 14007 0 18997 254
+rect 35157 0 40000 254
+use sky130_fd_io__corner_bus_overlay  sky130_fd_io__corner_bus_overlay_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1576765096
+transform 1 0 0 0 1 67
+box 0 0 40000 40733
+<< labels >>
+flabel metal5 s 0 10347 254 12147 3 FreeSans 520 0 0 0 vssa
+port 2 nsew
+flabel metal5 s 127 11205 127 11205 3 FreeSans 520 180 0 0 vssa
+port 2 nsew
+flabel metal5 s 0 7197 254 7847 3 FreeSans 520 180 0 0 vswitch
+port 4 nsew
+flabel metal5 s 0 5987 254 6877 3 FreeSans 520 180 0 0 vssio
+port 9 nsew
+flabel metal5 s 0 9137 254 10027 3 FreeSans 520 180 0 0 vssd
+port 10 nsew
+flabel metal5 s 0 8168 254 8817 3 FreeSans 520 180 0 0 vssa
+port 2 nsew
+flabel metal5 s 0 12467 254 13317 3 FreeSans 520 180 0 0 vssio_q
+port 11 nsew
+flabel metal5 s 0 13637 254 14487 3 FreeSans 520 180 0 0 vddio_q
+port 5 nsew
+flabel metal5 s 0 14807 254 19797 3 FreeSans 520 180 0 0 vddio
+port 7 nsew
+flabel metal5 s 0 3807 251 4457 3 FreeSans 520 180 0 0 vdda
+port 3 nsew
+flabel metal5 s 0 1227 254 2277 3 FreeSans 520 180 0 0 vcchib
+port 6 nsew
+flabel metal5 s 0 2597 254 3487 3 FreeSans 520 180 0 0 vccd
+port 8 nsew
+flabel metal5 s 0 4777 254 5667 3 FreeSans 520 180 0 0 vddio
+port 7 nsew
+flabel metal4 s 0 11425 100 12021 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10473 115 11069 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 0 10347 254 10413 3 FreeSans 520 0 0 0 vssa
+port 2 nsew
+flabel metal4 s 0 1207 254 2297 3 FreeSans 520 180 0 0 vcchib
+port 6 nsew
+flabel metal4 s 0 2577 254 3507 3 FreeSans 520 180 0 0 vccd
+port 8 nsew
+flabel metal4 s 0 3787 251 4477 3 FreeSans 520 180 0 0 vdda
+port 3 nsew
+flabel metal4 s 0 4757 254 5687 3 FreeSans 520 180 0 0 vddio
+port 7 nsew
+flabel metal4 s 0 5967 254 6897 3 FreeSans 520 180 0 0 vssio
+port 9 nsew
+flabel metal4 s 0 7177 254 7867 3 FreeSans 520 180 0 0 vswitch
+port 4 nsew
+flabel metal4 s 0 8147 254 8837 3 FreeSans 520 180 0 0 vssa
+port 2 nsew
+flabel metal4 s 0 9117 254 10047 3 FreeSans 520 180 0 0 vssd
+port 10 nsew
+flabel metal4 s 0 11129 254 11365 3 FreeSans 520 0 0 0 vssa
+port 2 nsew
+flabel metal4 s 0 12081 254 12147 3 FreeSans 520 0 0 0 vssa
+port 2 nsew
+flabel metal4 s 0 12447 254 13337 3 FreeSans 520 180 0 0 vssio_q
+port 11 nsew
+flabel metal4 s 0 13617 254 14507 3 FreeSans 520 180 0 0 vddio_q
+port 5 nsew
+flabel metal4 s 0 14808 254 19800 3 FreeSans 520 180 0 0 vddio
+port 7 nsew
+flabel metal4 s 0 35957 254 40800 3 FreeSans 520 180 0 0 vssio
+port 9 nsew
+flabel metal4 s 127 38974 127 38974 3 FreeSans 520 180 0 0 vssio
+port 9 nsew
+flabel metal5 s 3977 0 4867 254 3 FreeSans 520 270 0 0 vddio
+port 7 nsew
+flabel metal5 s 1797 0 2687 254 3 FreeSans 520 270 0 0 vccd
+port 8 nsew
+flabel metal5 s 427 0 1477 254 3 FreeSans 520 270 0 0 vcchib
+port 6 nsew
+flabel metal5 s 3007 0 3657 251 3 FreeSans 520 270 0 0 vdda
+port 3 nsew
+flabel metal5 s 14007 0 18997 254 3 FreeSans 520 270 0 0 vddio
+port 7 nsew
+flabel metal5 s 12837 0 13687 254 3 FreeSans 520 270 0 0 vddio_q
+port 5 nsew
+flabel metal5 s 11667 0 12517 254 3 FreeSans 520 270 0 0 vssio_q
+port 11 nsew
+flabel metal5 s 7368 0 8017 254 3 FreeSans 520 270 0 0 vssa
+port 2 nsew
+flabel metal5 s 8337 0 9227 254 3 FreeSans 520 270 0 0 vssd
+port 10 nsew
+flabel metal5 s 5187 0 6077 254 3 FreeSans 520 270 0 0 vssio
+port 9 nsew
+flabel metal5 s 6397 0 7047 254 3 FreeSans 520 270 0 0 vswitch
+port 4 nsew
+flabel metal5 s 9547 0 11347 254 3 FreeSans 520 270 0 0 vssa
+port 2 nsew
+flabel metal5 s 10258 127 10258 127 3 FreeSans 520 90 0 0 vssa
+port 2 nsew
+flabel metal4 s 14008 0 19000 254 3 FreeSans 520 270 0 0 vddio
+port 7 nsew
+flabel metal4 s 12817 0 13707 254 3 FreeSans 520 270 0 0 vddio_q
+port 5 nsew
+flabel metal4 s 11647 0 12537 254 3 FreeSans 520 270 0 0 vssio_q
+port 11 nsew
+flabel metal4 s 11281 0 11347 254 3 FreeSans 520 90 0 0 vssa
+port 2 nsew
+flabel metal4 s 10329 0 10565 254 3 FreeSans 520 90 0 0 vssa
+port 2 nsew
+flabel metal4 s 8317 0 9247 254 3 FreeSans 520 270 0 0 vssd
+port 10 nsew
+flabel metal4 s 7347 0 8037 254 3 FreeSans 520 270 0 0 vssa
+port 2 nsew
+flabel metal4 s 6377 0 7067 254 3 FreeSans 520 270 0 0 vswitch
+port 4 nsew
+flabel metal4 s 5167 0 6097 254 3 FreeSans 520 270 0 0 vssio
+port 9 nsew
+flabel metal4 s 3957 0 4887 254 3 FreeSans 520 270 0 0 vddio
+port 7 nsew
+flabel metal4 s 2987 0 3677 251 3 FreeSans 520 270 0 0 vdda
+port 3 nsew
+flabel metal4 s 1777 0 2707 254 3 FreeSans 520 270 0 0 vccd
+port 8 nsew
+flabel metal4 s 407 0 1497 254 3 FreeSans 520 270 0 0 vcchib
+port 6 nsew
+flabel metal4 s 9547 0 9613 254 3 FreeSans 520 90 0 0 vssa
+port 2 nsew
+flabel metal4 s 10625 0 11221 100 3 FreeSans 520 90 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 9673 0 10269 115 3 FreeSans 520 90 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 35157 0 40000 254 3 FreeSans 520 270 0 0 vssio
+port 9 nsew
+flabel metal4 s 38174 127 38174 127 3 FreeSans 520 270 0 0 vssio
+port 9 nsew
+<< properties >>
+string LEFclass ENDCAP TOPRIGHT
+string FIXED_BBOX 0 0 40000 40800
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__gpiov2_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__gpiov2_pad.mag
new file mode 100644
index 0000000..b17bee5
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__gpiov2_pad.mag

@@ -0,0 +1,286 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal1 >>
+rect 12486 -407 12538 -351
+<< metal2 >>
+rect 7956 15977 8019 15991
+rect 7956 15927 7969 15977
+tri 7969 15927 8019 15977 nw
+rect 675 -407 721 -361
+rect 1084 -407 1130 -328
+rect 1226 -407 1278 -355
+rect 2551 -407 2603 -363
+rect 3262 -407 3314 -306
+rect 4471 -407 4523 -340
+rect 5320 -407 5372 -379
+rect 5698 -407 5750 -355
+rect 6150 -407 6202 -351
+rect 6363 -407 6415 -363
+rect 7092 -407 7144 -351
+rect 7678 -407 7730 -318
+rect 9049 -407 9101 -355
+rect 9971 -407 10023 -355
+rect 13367 -407 13419 -355
+rect 13655 -407 13785 -363
+rect 15256 -407 15384 -363
+rect 15522 -407 15574 -363
+rect 15741 -407 15781 -363
+rect 15943 -407 15983 -215
+<< metal3 >>
+rect 80 -407 204 -244
+rect 9173 -407 9239 -355
+rect 12564 -407 12778 -260
+rect 15716 -407 15782 -254
+rect 15848 -407 15914 -244
+<< metal4 >>
+rect 0 34750 254 39593
+rect 15746 34750 16000 39593
+rect 0 13600 254 18593
+rect 15746 13600 16000 18593
+rect 0 12410 254 13300
+rect 15746 12410 16000 13300
+rect 0 11240 254 12130
+rect 15746 11240 16000 12130
+rect 0 10874 254 10940
+rect 15746 10874 16000 10940
+rect 0 10218 100 10814
+rect 15746 10218 15846 10814
+rect 0 9922 254 10158
+rect 15746 9922 16000 10158
+rect 0 9266 116 9862
+rect 15746 9266 15862 9862
+rect 0 9140 254 9206
+rect 15746 9140 16000 9206
+rect 0 7910 254 8840
+rect 15746 7910 16000 8840
+rect 0 6940 254 7630
+rect 15746 6940 16000 7630
+rect 0 5970 254 6660
+rect 15746 5970 16000 6660
+rect 0 4760 254 5690
+rect 15746 4760 16000 5690
+rect 0 3550 254 4480
+rect 15746 3550 16000 4480
+rect 0 2580 254 3270
+rect 15746 2580 16000 3270
+rect 0 1370 254 2300
+rect 15746 1370 16000 2300
+rect 0 0 254 1090
+rect 15746 0 16000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 15746 34750 16000 39593
+rect 6423 24687 10731 28996
+rect 0 13600 254 18590
+rect 15746 13600 16000 18590
+rect 0 12430 254 13280
+rect 15746 12430 16000 13280
+rect 0 11260 254 12110
+rect 15746 11260 16000 12110
+rect 0 9140 254 10940
+rect 15746 9140 16000 10940
+rect 0 7930 254 8820
+rect 15746 7930 16000 8820
+rect 0 6960 254 7610
+rect 15746 6960 16000 7610
+rect 0 5990 254 6640
+rect 15746 5990 16000 6640
+rect 0 4780 254 5670
+rect 15746 4780 16000 5670
+rect 0 3570 254 4460
+rect 15746 3570 16000 4460
+rect 0 2600 254 3250
+rect 15746 2600 16000 3250
+rect 0 1390 254 2280
+rect 15746 1390 16000 2280
+rect 0 20 254 1070
+rect 15746 20 16000 1070
+use sky130_fd_io__overlay_gpiov2  sky130_fd_io__overlay_gpiov2_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -407
+box 0 407 16000 40000
+use sky130_fd_io__top_gpiov2  sky130_fd_io__top_gpiov2_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -407
+box -143 -7 16134 40000
+<< labels >>
+flabel metal4 s 127 37925 127 37925 3 FreeSans 520 0 0 0 vssio
+port 35 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 31 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 34 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 36 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 37 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 35 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 30 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 31 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 28 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 32 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 33 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 33 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 29 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 35 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 31 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 32 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 31 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 28 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 33 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 37 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 33 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 36 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 35 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 30 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 33 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 33 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 34 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 29 nsew
+flabel metal4 s 15873 37925 15873 37925 3 FreeSans 520 180 0 0 vssio
+port 35 nsew
+flabel metal5 s 15746 9140 16000 10940 3 FreeSans 520 180 0 0 vssa
+port 33 nsew
+flabel metal5 s 15807 2600 16000 3250 3 FreeSans 520 180 0 0 vdda
+port 30 nsew
+flabel metal5 s 15746 7930 16000 8820 3 FreeSans 520 180 0 0 vssd
+port 34 nsew
+flabel metal5 s 15746 11260 16000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 36 nsew
+flabel metal5 s 15746 4780 16000 5670 3 FreeSans 520 180 0 0 vssio
+port 35 nsew
+flabel metal5 s 15746 5990 16000 6640 3 FreeSans 520 180 0 0 vswitch
+port 37 nsew
+flabel metal5 s 15746 6961 16000 7610 3 FreeSans 520 180 0 0 vssa
+port 33 nsew
+flabel metal5 s 15746 1390 16000 2280 3 FreeSans 520 180 0 0 vccd
+port 28 nsew
+flabel metal5 s 15746 12430 16000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 32 nsew
+flabel metal5 s 15746 13600 16000 18590 3 FreeSans 520 180 0 0 vddio
+port 31 nsew
+flabel metal5 s 15746 20 16000 1070 3 FreeSans 520 180 0 0 vcchib
+port 29 nsew
+flabel metal5 s 15746 3570 16000 4460 3 FreeSans 520 180 0 0 vddio
+port 31 nsew
+flabel metal4 s 15746 7910 16000 8840 3 FreeSans 520 180 0 0 vssd
+port 34 nsew
+flabel metal4 s 15807 2580 16000 3270 3 FreeSans 520 180 0 0 vdda
+port 30 nsew
+flabel metal4 s 15746 11240 16000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 36 nsew
+flabel metal4 s 15746 4760 16000 5690 3 FreeSans 520 180 0 0 vssio
+port 35 nsew
+flabel metal4 s 15746 5970 16000 6660 3 FreeSans 520 180 0 0 vswitch
+port 37 nsew
+flabel metal4 s 15746 9922 16000 10158 3 FreeSans 520 180 0 0 vssa
+port 33 nsew
+flabel metal4 s 15746 10874 16000 10940 3 FreeSans 520 180 0 0 vssa
+port 33 nsew
+flabel metal4 s 15746 3550 16000 4480 3 FreeSans 520 180 0 0 vddio
+port 31 nsew
+flabel metal4 s 15746 9140 16000 9206 3 FreeSans 520 180 0 0 vssa
+port 33 nsew
+flabel metal4 s 15746 6940 16000 7630 3 FreeSans 520 180 0 0 vssa
+port 33 nsew
+flabel metal4 s 15746 12410 16000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 32 nsew
+flabel metal4 s 15746 1370 16000 2300 3 FreeSans 520 180 0 0 vccd
+port 28 nsew
+flabel metal4 s 15746 9266 16000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 15746 34750 16000 39593 3 FreeSans 520 180 0 0 vssio
+port 35 nsew
+flabel metal4 s 15746 10218 16000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 15746 13600 16000 18593 3 FreeSans 520 180 0 0 vddio
+port 31 nsew
+flabel metal4 s 15746 0 16000 1090 3 FreeSans 520 180 0 0 vcchib
+port 29 nsew
+flabel metal5 s 6423 24687 10731 28996 0 FreeSans 1600 0 0 0 pad
+port 21 nsew
+flabel metal3 s 80 -407 204 -244 0 FreeSans 640 0 0 0 in_h
+port 17 nsew
+flabel metal2 s 675 -407 721 -361 0 FreeSans 400 270 0 0 oe_n
+port 19 nsew
+flabel metal2 s 1084 -407 1130 -328 0 FreeSans 400 270 0 0 ib_mode_sel
+port 15 nsew
+flabel metal2 s 1226 -407 1278 -355 0 FreeSans 400 270 0 0 vtrip_sel
+port 38 nsew
+flabel metal2 s 2551 -407 2603 -363 0 FreeSans 400 270 0 0 enable_vdda_h
+port 10 nsew
+flabel metal2 s 3262 -407 3314 -306 0 FreeSans 400 270 0 0 enable_vswitch_h
+port 12 nsew
+flabel metal2 s 4471 -407 4523 -340 0 FreeSans 400 0 0 0 out
+port 20 nsew
+flabel metal2 s 5320 -407 5372 -379 0 FreeSans 400 270 0 0 hld_ovr
+port 14 nsew
+flabel metal2 s 5698 -407 5750 -355 0 FreeSans 400 270 0 0 dm<2>
+port 5 nsew
+flabel metal2 s 6150 -407 6202 -351 0 FreeSans 400 270 0 0 analog_sel
+port 4 nsew
+flabel metal2 s 6363 -407 6415 -363 0 FreeSans 400 270 0 0 hld_h_n
+port 13 nsew
+flabel metal2 s 7092 -407 7144 -351 0 FreeSans 400 270 0 0 enable_h
+port 8 nsew
+flabel metal2 s 7678 -407 7730 -318 0 FreeSans 400 270 0 0 enable_inp_h
+port 9 nsew
+flabel metal2 s 9049 -407 9101 -355 0 FreeSans 400 270 0 0 inp_dis
+port 18 nsew
+flabel metal3 s 9173 -407 9239 -355 0 FreeSans 400 270 0 0 analog_pol
+port 3 nsew
+flabel metal2 s 9971 -407 10023 -355 0 FreeSans 400 270 0 0 dm<0>
+port 7 nsew
+flabel metal1 s 12486 -407 12538 -351 0 FreeSans 400 270 0 0 analog_en
+port 2 nsew
+flabel metal2 s 13367 -407 13419 -355 0 FreeSans 400 270 0 0 dm<1>
+port 6 nsew
+flabel metal2 s 15522 -407 15574 -363 0 FreeSans 400 270 0 0 slow
+port 25 nsew
+flabel metal3 s 15848 -407 15914 -244 0 FreeSans 400 270 0 0 in
+port 16 nsew
+flabel metal3 s 12564 -407 12778 -260 0 FreeSans 400 270 0 0 pad_a_noesd_h
+port 24 nsew
+flabel metal2 s 13655 -407 13785 -363 0 FreeSans 400 270 0 0 pad_a_esd_1_h
+port 23 nsew
+flabel metal2 s 15256 -407 15384 -363 0 FreeSans 400 270 0 0 pad_a_esd_0_h
+port 22 nsew
+flabel metal2 s 15943 -407 15983 -215 0 FreeSans 400 270 0 0 tie_lo_esd
+port 27 nsew
+flabel metal2 s 15741 -407 15781 -363 0 FreeSans 400 270 0 0 tie_hi_esd
+port 26 nsew
+flabel metal3 s 15716 -407 15782 -254 0 FreeSans 400 270 0 0 enable_vddio
+port 11 nsew
+<< properties >>
+string LEFclass PAD INOUT
+string FIXED_BBOX 0 0 16000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vccd_hvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vccd_hvc_pad.mag
new file mode 100644
index 0000000..3a0bda1
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vccd_hvc_pad.mag

@@ -0,0 +1,223 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1585845698
+<< metal2 >>
+rect 99 -407 4879 -259
+rect 5179 -407 5579 -193
+rect 10078 -407 14858 -259
+<< metal3 >>
+rect 99 -407 4879 -16
+rect 5179 -407 7379 -259
+rect 7578 -407 9778 -89
+rect 10078 -407 14858 -16
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 7329 27458 7594 28780
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vccd_hvc  sky130_fd_io__overlay_vccd_hvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1585749841
+transform 1 0 0 0 1 -407
+box 0 407 15000 40000
+use sky130_fd_io__top_power_hvc_wpad  sky130_fd_io__top_power_hvc_wpad_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1585749839
+transform 1 0 0 0 1 -407
+box 0 0 15000 40000
+<< labels >>
+flabel metal5 s 7329 27458 7594 28780 0 FreeSans 2000 0 0 0 vccd
+port 11 nsew
+flabel metal4 s 127 37914 127 37914 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 14873 37914 14873 37914 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal2 s 10078 -407 14858 -259 2 FreeSans 2000 90 0 0 drn_hvc
+port 2 nsew
+flabel metal2 s 99 -407 4879 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal3 s 7578 -407 9778 -89 0 FreeSans 2000 0 0 0 drn_hvc
+port 2 nsew
+flabel metal3 s 10078 -407 14858 -16 0 FreeSans 2000 0 0 0 vccd
+port 11 nsew
+flabel metal3 s 99 -407 4879 -16 0 FreeSans 2000 0 0 0 vccd
+port 11 nsew
+flabel metal3 s 5179 -407 7379 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+<< properties >>
+string LEFclass PAD POWER
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vccd_lvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vccd_lvc_pad.mag
new file mode 100644
index 0000000..702e404
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vccd_lvc_pad.mag

@@ -0,0 +1,230 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal1 >>
+rect 6867 95 7067 195
+rect 5242 -7 5540 69
+<< metal2 >>
+rect 98 0 4099 287
+rect 6888 -7 8888 58
+rect 10953 -7 14940 715
+<< metal3 >>
+rect 98 0 4900 862
+rect 5200 -7 7374 918
+rect 7676 -7 9850 918
+rect 10151 -7 14940 862
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 6339 32546 10468 33417
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vccd_lvc  sky130_fd_io__overlay_vccd_lvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 7 15000 39600
+use sky130_fd_io__top_power_lvc_wpad  sky130_fd_io__top_power_lvc_wpad_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 0 15000 39600
+<< labels >>
+flabel metal4 s 14873 37925 14873 37925 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 127 37925 127 37925 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal5 s 6339 32546 10468 33417 0 FreeSans 2000 0 0 0 vccd
+port 15 nsew
+flabel metal2 s 100 -7 4099 287 0 FreeSans 2000 0 0 0 src_bdy_lvc1
+port 4 nsew
+flabel metal2 s 10953 -7 14940 715 0 FreeSans 2000 0 0 0 src_bdy_lvc2
+port 5 nsew
+flabel metal2 s 6888 -7 8888 58 0 FreeSans 400 0 0 0 bdy2_b2b
+port 6 nsew
+flabel metal3 s 7676 -7 9850 918 0 FreeSans 2000 0 0 0 drn_lvc2
+port 3 nsew
+flabel metal3 s 5200 -7 7374 918 0 FreeSans 2000 0 0 0 drn_lvc1
+port 2 nsew
+flabel metal3 s 10151 -7 14940 862 0 FreeSans 4000 0 0 0 vccd
+port 15 nsew
+flabel metal3 s 100 -7 4900 862 0 FreeSans 2000 0 0 0 vccd
+port 15 nsew
+flabel metal1 s 6867 95 7067 195 0 FreeSans 300 0 0 0 vssi
+port 7 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+<< properties >>
+string LEFclass PAD POWER
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vdda_hvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vdda_hvc_pad.mag
new file mode 100644
index 0000000..ee315bc
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vdda_hvc_pad.mag

@@ -0,0 +1,227 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal2 >>
+rect 99 -407 4879 -259
+rect 5179 -407 5579 -211
+rect 10078 -407 14858 -259
+<< metal3 >>
+rect 99 -407 4879 -16
+rect 5179 -407 7379 -259
+rect 7578 -407 9778 -89
+rect 10078 -407 14858 -16
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 7329 27458 7594 28780
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vccd_lvc  sky130_fd_io__overlay_vccd_lvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 7 15000 39600
+use sky130_fd_io__top_power_hvc_wpad  sky130_fd_io__top_power_hvc_wpad_1 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -407
+box 0 0 15000 40000
+<< labels >>
+flabel metal4 s 14873 37925 14873 37925 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 127 37925 127 37925 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal5 s 7329 27458 7594 28780 0 FreeSans 2000 0 0 0 vdda
+port 6 nsew
+flabel metal4 s 127 37914 127 37914 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 14873 37914 14873 37914 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal2 s 10078 -407 14858 -259 2 FreeSans 2000 90 0 0 drn_hvc
+port 2 nsew
+flabel metal2 s 99 -407 4879 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal3 s 7578 -407 9778 -89 0 FreeSans 2000 0 0 0 drn_hvc
+port 2 nsew
+flabel metal3 s 10078 -407 14858 -16 0 FreeSans 2000 0 0 0 vdda
+port 6 nsew
+flabel metal3 s 99 -407 4879 -16 0 FreeSans 2000 0 0 0 vdda
+port 6 nsew
+flabel metal3 s 5179 -407 7379 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+<< properties >>
+string LEFclass PAD POWER
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vdda_lvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vdda_lvc_pad.mag
new file mode 100644
index 0000000..ef76fc7
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vdda_lvc_pad.mag

@@ -0,0 +1,226 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal1 >>
+rect 6867 95 7067 195
+rect 5242 -7 5540 61
+<< metal2 >>
+rect 98 0 4099 287
+rect 6888 -7 8888 58
+rect 10953 -7 14940 715
+<< metal3 >>
+rect 98 0 4900 862
+rect 5200 -7 7374 918
+rect 7676 -7 9850 918
+rect 10151 -7 14940 862
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 6339 32546 10467 33417
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vdda_lvc  sky130_fd_io__overlay_vdda_lvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 7 15000 39600
+use sky130_fd_io__top_power_lvc_wpad  sky130_fd_io__top_power_lvc_wpad_1 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 0 15000 39600
+<< labels >>
+flabel metal2 s 100 -7 4099 287 0 FreeSans 2000 0 0 0 src_bdy_lvc1
+port 4 nsew
+flabel metal2 s 10953 -7 14940 715 0 FreeSans 2000 0 0 0 src_bdy_lvc2
+port 5 nsew
+flabel metal2 s 6888 -7 8888 58 0 FreeSans 400 0 0 0 bdy2_b2b
+port 6 nsew
+flabel metal3 s 7676 -7 9850 918 0 FreeSans 2000 0 0 0 drn_lvc2
+port 3 nsew
+flabel metal3 s 5200 -7 7374 918 0 FreeSans 2000 0 0 0 drn_lvc1
+port 2 nsew
+flabel metal3 s 10151 -7 14940 862 0 FreeSans 4000 0 0 0 vdda
+port 10 nsew
+flabel metal3 s 100 -7 4900 862 0 FreeSans 2000 0 0 0 vdda
+port 10 nsew
+flabel metal1 s 6867 95 7067 195 0 FreeSans 300 0 0 0 vssi
+port 7 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+flabel metal5 s 6339 32546 10468 33417 0 FreeSans 2000 0 0 0 vdda
+port 10 nsew
+<< properties >>
+string LEFclass PAD POWER
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vddio_hvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vddio_hvc_pad.mag
new file mode 100644
index 0000000..fc81ddc
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vddio_hvc_pad.mag

@@ -0,0 +1,223 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1585845698
+<< metal2 >>
+rect 99 -407 4879 -259
+rect 5179 -407 5579 -210
+rect 10078 -407 14858 -259
+<< metal3 >>
+rect 99 -407 4879 -16
+rect 5179 -407 7379 -259
+rect 7578 -407 9778 -89
+rect 10078 -407 14858 -16
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 7329 27458 7594 28780
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vddio_hvc  sky130_fd_io__overlay_vddio_hvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1585749841
+transform 1 0 0 0 1 -407
+box 0 407 15000 40000
+use sky130_fd_io__top_power_hvc_wpad  sky130_fd_io__top_power_hvc_wpad_2 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1585749839
+transform 1 0 0 0 1 -407
+box 0 0 15000 40000
+<< labels >>
+flabel metal5 s 7329 27458 7594 28780 0 FreeSans 2000 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 127 37914 127 37914 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 14873 37914 14873 37914 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal2 s 10078 -407 14858 -259 2 FreeSans 2000 90 0 0 drn_hvc
+port 2 nsew
+flabel metal2 s 99 -407 4879 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal3 s 7578 -407 9778 -89 0 FreeSans 2000 0 0 0 drn_hvc
+port 2 nsew
+flabel metal3 s 10078 -407 14858 -16 0 FreeSans 2000 0 0 0 vddio
+port 10 nsew
+flabel metal3 s 99 -407 4879 -16 0 FreeSans 2000 0 0 0 vddio
+port 10 nsew
+flabel metal3 s 5179 -407 7379 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+<< properties >>
+string LEFclass PAD POWER
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vddio_lvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vddio_lvc_pad.mag
new file mode 100644
index 0000000..819cf19
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vddio_lvc_pad.mag

@@ -0,0 +1,225 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal1 >>
+rect 6867 95 7067 195
+rect 5242 -7 5540 78
+<< metal2 >>
+rect 98 0 4099 287
+rect 6888 -7 8888 58
+rect 10953 -7 14940 715
+<< metal3 >>
+rect 98 0 4900 862
+rect 5200 -7 7374 918
+rect 7676 -7 9850 918
+rect 10151 -7 14940 862
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vddio_lvc  sky130_fd_io__overlay_vddio_lvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 7 15000 39600
+use sky130_fd_io__top_power_lvc_wpad  sky130_fd_io__top_power_lvc_wpad_2 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 0 15000 39600
+<< labels >>
+flabel metal5 s 6339 32546 10468 33417 0 FreeSans 2000 0 0 0 vddio
+port 14 nsew
+flabel metal2 s 100 -7 4099 287 0 FreeSans 2000 0 0 0 src_bdy_lvc1
+port 4 nsew
+flabel metal2 s 10953 -7 14940 715 0 FreeSans 2000 0 0 0 src_bdy_lvc2
+port 5 nsew
+flabel metal2 s 6888 -7 8888 58 0 FreeSans 400 0 0 0 bdy2_b2b
+port 6 nsew
+flabel metal3 s 7676 -7 9850 918 0 FreeSans 2000 0 0 0 drn_lvc2
+port 3 nsew
+flabel metal3 s 5200 -7 7374 918 0 FreeSans 2000 0 0 0 drn_lvc1
+port 2 nsew
+flabel metal3 s 10151 -7 14940 862 0 FreeSans 4000 0 0 0 vddio
+port 14 nsew
+flabel metal3 s 100 -7 4900 862 0 FreeSans 2000 0 0 0 vddio
+port 14 nsew
+flabel metal1 s 6867 95 7067 195 0 FreeSans 300 0 0 0 vssi
+port 7 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+<< properties >>
+string LEFclass PAD POWER
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssa_hvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssa_hvc_pad.mag
new file mode 100644
index 0000000..e52a917
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssa_hvc_pad.mag

@@ -0,0 +1,225 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal2 >>
+rect 99 -407 4879 -259
+rect 5179 -407 5579 -184
+rect 10078 -407 14858 -259
+<< metal3 >>
+rect 99 -407 4879 -16
+rect 5179 -407 7379 -259
+rect 7578 -407 9778 -89
+rect 10078 -407 14858 -16
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 6 15000 1090
+rect 14746 0 14928 6
+rect 14939 3 15000 6
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 7329 27458 7594 28780
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vssa_hvc  sky130_fd_io__overlay_vssa_hvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -407
+box 0 407 15000 40000
+use sky130_fd_io__top_ground_hvc_wpad  sky130_fd_io__top_ground_hvc_wpad_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -407
+box 0 0 15000 40000
+<< labels >>
+flabel metal5 s 7329 27458 7594 28780 0 FreeSans 2000 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 127 37914 127 37914 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 14873 37914 14873 37914 3 FreeSans 520 180 0 0 vssio
+port 15 nsew
+flabel metal2 s 10078 -407 14858 -259 2 FreeSans 2000 90 0 0 drn_hvc
+port 2 nsew
+flabel metal2 s 99 -407 4879 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal3 s 7578 -407 9778 -89 0 FreeSans 2000 0 0 0 drn_hvc
+port 2 nsew
+flabel metal3 s 99 -407 4879 -16 0 FreeSans 2000 0 0 0 vssa
+port 5 nsew
+flabel metal3 s 10078 -407 14858 -16 0 FreeSans 2000 0 0 0 vssa
+port 5 nsew
+flabel metal3 s 5179 -407 7379 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+<< properties >>
+string LEFclass PAD GROUND
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssa_lvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssa_lvc_pad.mag
new file mode 100644
index 0000000..68ef59c
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssa_lvc_pad.mag

@@ -0,0 +1,227 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal1 >>
+rect 6867 95 7067 195
+rect 5242 -7 5540 84
+<< metal2 >>
+rect 100 0 4099 287
+rect 6888 -7 8888 58
+rect 10953 -7 14940 715
+<< metal3 >>
+rect 98 309 4900 862
+rect 100 0 4900 309
+rect 5200 -7 7374 918
+rect 7676 -7 9850 918
+rect 10151 -7 14940 862
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 6339 32546 10468 33417
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vssa_lvc  sky130_fd_io__overlay_vssa_lvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 7 15000 39600
+use sky130_fd_io__top_ground_lvc_wpad  sky130_fd_io__top_ground_lvc_wpad_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 0 15000 39600
+<< labels >>
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal1 s 6867 95 7067 195 0 FreeSans 300 0 0 0 vssi
+port 7 nsew
+flabel metal3 s 100 -7 4900 862 0 FreeSans 2000 0 0 0 vssa
+port 9 nsew
+flabel metal3 s 10151 -7 14940 862 0 FreeSans 4000 0 0 0 vssa
+port 9 nsew
+flabel metal3 s 5200 -7 7374 918 0 FreeSans 2000 0 0 0 drn_lvc1
+port 2 nsew
+flabel metal3 s 7676 -7 9850 918 0 FreeSans 2000 0 0 0 drn_lvc2
+port 3 nsew
+flabel metal2 s 6888 -7 8888 58 0 FreeSans 400 0 0 0 bdy2_b2b
+port 6 nsew
+flabel metal2 s 10953 -7 14940 715 0 FreeSans 2000 0 0 0 src_bdy_lvc2
+port 5 nsew
+flabel metal2 s 100 -7 4099 287 0 FreeSans 2000 0 0 0 src_bdy_lvc1
+port 4 nsew
+flabel metal5 s 6339 32546 10468 33417 0 FreeSans 2000 0 0 0 vssa
+port 9 nsew
+<< properties >>
+string LEFclass PAD GROUND
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssd_hvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssd_hvc_pad.mag
new file mode 100644
index 0000000..969fd80
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssd_hvc_pad.mag

@@ -0,0 +1,223 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal2 >>
+rect 99 -407 4879 -259
+rect 5179 -407 5579 -182
+rect 10078 -407 14858 -259
+<< metal3 >>
+rect 99 -407 4879 -16
+rect 5179 -407 7379 -259
+rect 7578 -407 9778 -89
+rect 10078 -407 14858 -16
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 7329 27458 7594 28780
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vssd_hvc  sky130_fd_io__overlay_vssd_hvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -407
+box 0 407 15000 40000
+use sky130_fd_io__top_ground_hvc_wpad  sky130_fd_io__top_ground_hvc_wpad_1 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -407
+box 0 0 15000 40000
+<< labels >>
+flabel metal5 s 7329 27458 7594 28780 0 FreeSans 2000 0 0 0 vssd
+port 13 nsew
+flabel metal4 s 127 37914 127 37914 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 14873 37914 14873 37914 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal2 s 10078 -407 14858 -259 2 FreeSans 2000 90 0 0 drn_hvc
+port 2 nsew
+flabel metal2 s 99 -407 4879 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal3 s 7578 -407 9778 -89 0 FreeSans 2000 0 0 0 drn_hvc
+port 2 nsew
+flabel metal3 s 99 -407 4879 -16 0 FreeSans 2000 0 0 0 vssd
+port 13 nsew
+flabel metal3 s 10078 -407 14858 -16 0 FreeSans 2000 0 0 0 vssd
+port 13 nsew
+flabel metal3 s 5179 -407 7379 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+<< properties >>
+string LEFclass PAD GROUND
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssd_lvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssd_lvc_pad.mag
new file mode 100644
index 0000000..12dbdda
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssd_lvc_pad.mag

@@ -0,0 +1,230 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal1 >>
+rect 6867 95 7067 195
+rect 5242 -7 5540 83
+<< metal2 >>
+rect 101 0 4099 287
+rect 6888 -7 8888 58
+rect 10953 -7 14940 715
+<< metal3 >>
+rect 101 0 4900 862
+rect 5200 -7 7374 918
+rect 7676 -7 9850 918
+rect 10151 -7 14940 862
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 6339 32546 10468 33417
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vssd_lvc  sky130_fd_io__overlay_vssd_lvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 7 15000 39600
+use sky130_fd_io__top_ground_lvc_wpad  sky130_fd_io__top_ground_lvc_wpad_1 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 0 15000 39600
+<< labels >>
+flabel metal4 s 14873 37925 14873 37925 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 127 37925 127 37925 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal5 s 6339 32546 10468 33417 0 FreeSans 2000 0 0 0 vssd
+port 17 nsew
+flabel metal2 s 100 -7 4099 287 0 FreeSans 2000 0 0 0 src_bdy_lvc1
+port 4 nsew
+flabel metal2 s 10953 -7 14940 715 0 FreeSans 2000 0 0 0 src_bdy_lvc2
+port 5 nsew
+flabel metal2 s 6888 -7 8888 58 0 FreeSans 400 0 0 0 bdy2_b2b
+port 6 nsew
+flabel metal3 s 7676 -7 9850 918 0 FreeSans 2000 0 0 0 drn_lvc2
+port 3 nsew
+flabel metal3 s 5200 -7 7374 918 0 FreeSans 2000 0 0 0 drn_lvc1
+port 2 nsew
+flabel metal3 s 10151 -7 14940 862 0 FreeSans 4000 0 0 0 vssd
+port 17 nsew
+flabel metal3 s 100 -7 4900 862 0 FreeSans 2000 0 0 0 vssd
+port 17 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+flabel metal1 s 6867 95 7067 195 0 FreeSans 300 0 0 0 vssi
+port 7 nsew
+<< properties >>
+string LEFclass PAD GROUND
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssio_hvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssio_hvc_pad.mag
new file mode 100644
index 0000000..66d9432
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssio_hvc_pad.mag

@@ -0,0 +1,226 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal2 >>
+rect 99 -407 4879 -259
+rect 5179 -407 5579 -181
+rect 10078 -407 14858 -259
+<< metal3 >>
+rect 99 -407 4879 -16
+rect 5179 -407 7379 -259
+rect 7578 -407 9778 -89
+rect 10078 -407 14858 -16
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 6 254 1090
+rect 14746 6 15000 1090
+rect 14934 5 15000 6
+rect 0 0 254 5
+rect 14746 0 15000 5
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 7329 27458 7594 28780
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vssio_hvc  sky130_fd_io__overlay_vssio_hvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -407
+box 0 407 15000 40000
+use sky130_fd_io__top_ground_hvc_wpad  sky130_fd_io__top_ground_hvc_wpad_2 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -407
+box 0 0 15000 40000
+<< labels >>
+flabel metal5 s 7329 27458 7594 28780 0 FreeSans 2000 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 127 37914 127 37914 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 14873 37914 14873 37914 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal2 s 10078 -407 14858 -259 2 FreeSans 2000 90 0 0 drn_hvc
+port 2 nsew
+flabel metal2 s 99 -407 4879 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal3 s 7578 -407 9778 -89 0 FreeSans 2000 0 0 0 drn_hvc
+port 2 nsew
+flabel metal3 s 99 -407 4879 -16 0 FreeSans 2000 0 0 0 vssio
+port 12 nsew
+flabel metal3 s 10078 -407 14858 -16 0 FreeSans 2000 0 0 0 vssio
+port 12 nsew
+flabel metal3 s 5179 -407 7379 -259 2 FreeSans 2000 90 0 0 src_bdy_hvc
+port 4 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 13 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 6 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 7 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 9 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 5 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 11 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 12 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 8 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 10 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 11 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 7 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 9 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 14 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 12 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 6 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 5 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 13 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+<< properties >>
+string LEFclass PAD GROUND
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssio_lvc_pad.mag b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssio_lvc_pad.mag
new file mode 100644
index 0000000..299a01f
--- /dev/null
+++ b/sky130/custom/sky130_fd_io/mag/sky130_fd_io__vssio_lvc_pad.mag

@@ -0,0 +1,227 @@
+magic
+tech sky130A
+magscale 1 2
+timestamp 1584473789
+<< metal1 >>
+rect 6867 95 7067 195
+rect 5242 -7 5540 74
+<< metal2 >>
+rect 100 0 4099 287
+rect 6888 -7 8888 58
+rect 10953 -7 14940 715
+<< metal3 >>
+rect 98 339 4900 862
+rect 100 0 4900 339
+rect 5200 -7 7374 918
+rect 7676 -7 9850 918
+rect 10151 -7 14940 862
+<< metal4 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 0 13600 254 18593
+rect 14746 13600 15000 18593
+rect 0 12410 254 13300
+rect 14746 12410 15000 13300
+rect 0 11240 254 12130
+rect 14746 11240 15000 12130
+rect 0 10874 254 10940
+rect 14746 10874 15000 10940
+rect 0 10218 100 10814
+rect 14746 10218 14846 10814
+rect 0 9922 254 10158
+rect 14746 9922 15000 10158
+rect 0 9266 116 9862
+rect 14746 9266 14862 9862
+rect 0 9140 254 9206
+rect 14746 9140 15000 9206
+rect 0 7910 254 8840
+rect 14746 7910 15000 8840
+rect 0 6940 254 7630
+rect 14746 6940 15000 7630
+rect 0 5970 254 6660
+rect 14746 5970 15000 6660
+rect 0 4760 254 5690
+rect 14746 4760 15000 5690
+rect 0 3550 254 4480
+rect 14746 3550 15000 4480
+rect 0 2580 254 3270
+rect 14746 2580 15000 3270
+rect 0 1370 254 2300
+rect 14746 1370 15000 2300
+rect 0 0 254 1090
+rect 14746 0 15000 1090
+<< metal5 >>
+rect 0 34750 254 39593
+rect 14746 34750 15000 39593
+rect 6339 32546 10468 33417
+rect 0 13600 254 18590
+rect 14746 13600 15000 18590
+rect 0 12430 254 13280
+rect 14746 12430 15000 13280
+rect 0 11260 254 12110
+rect 14746 11260 15000 12110
+rect 0 9140 254 10940
+rect 14746 9140 15000 10940
+rect 0 7930 254 8820
+rect 14746 7930 15000 8820
+rect 0 6960 254 7610
+rect 14746 6960 15000 7610
+rect 0 5990 254 6640
+rect 14746 5990 15000 6640
+rect 0 4780 254 5670
+rect 14746 4780 15000 5670
+rect 0 3570 254 4460
+rect 14746 3570 15000 4460
+rect 0 2600 254 3250
+rect 14746 2600 15000 3250
+rect 0 1390 254 2280
+rect 14746 1390 15000 2280
+rect 0 20 254 1070
+rect 14746 20 15000 1070
+use sky130_fd_io__overlay_vssio_lvc  sky130_fd_io__overlay_vssio_lvc_0 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 7 15000 39600
+use sky130_fd_io__top_ground_lvc_wpad  sky130_fd_io__top_ground_lvc_wpad_2 ~/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_io/mag
+timestamp 1584046481
+transform 1 0 0 0 1 -7
+box 0 0 15000 39600
+<< labels >>
+flabel metal5 s 6339 32546 10468 33417 0 FreeSans 2000 0 0 0 vssio
+port 16 nsew
+flabel metal2 s 100 -7 4099 287 0 FreeSans 2000 0 0 0 src_bdy_lvc1
+port 4 nsew
+flabel metal2 s 10953 -7 14940 715 0 FreeSans 2000 0 0 0 src_bdy_lvc2
+port 5 nsew
+flabel metal2 s 6888 -7 8888 58 0 FreeSans 400 0 0 0 bdy2_b2b
+port 6 nsew
+flabel metal3 s 7676 -7 9850 918 0 FreeSans 2000 0 0 0 drn_lvc2
+port 3 nsew
+flabel metal3 s 5200 -7 7374 918 0 FreeSans 2000 0 0 0 drn_lvc1
+port 2 nsew
+flabel metal3 s 10151 -7 14940 862 0 FreeSans 4000 0 0 0 vssio
+port 16 nsew
+flabel metal3 s 100 -7 4900 862 0 FreeSans 2000 0 0 0 vssio
+port 16 nsew
+flabel metal1 s 6867 95 7067 195 0 FreeSans 300 0 0 0 vssi
+port 7 nsew
+flabel metal5 s 14746 9140 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14807 2600 15000 3250 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal5 s 14746 7930 15000 8820 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal5 s 14746 11260 15000 12110 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 14746 4780 15000 5670 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal5 s 14746 5990 15000 6640 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal5 s 14746 6961 15000 7610 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal5 s 14746 1390 15000 2280 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal5 s 14746 12430 15000 13280 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 14746 13600 15000 18590 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 14746 20 15000 1070 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal5 s 14746 3570 15000 4460 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 13600 254 18590 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 7930 254 8820 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal5 s 0 11260 254 12110 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal5 s 0 5990 254 6640 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal5 s 0 4780 254 5670 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal5 s 0 2600 193 3250 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal5 s 0 3570 254 4460 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal5 s 0 1390 254 2280 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal5 s 0 12430 254 13280 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal5 s 0 9140 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 6961 254 7610 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal5 s 0 20 254 1070 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 7910 15000 8840 3 FreeSans 520 180 0 0 vssd
+port 17 nsew
+flabel metal4 s 14807 2580 15000 3270 3 FreeSans 520 180 0 0 vdda
+port 10 nsew
+flabel metal4 s 14746 11240 15000 12130 3 FreeSans 520 180 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 14746 4760 15000 5690 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 5970 15000 6660 3 FreeSans 520 180 0 0 vswitch
+port 11 nsew
+flabel metal4 s 14746 9922 15000 10158 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 10874 15000 10940 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 0 15000 1090 3 FreeSans 520 180 0 0 vcchib
+port 13 nsew
+flabel metal4 s 14746 3550 15000 4480 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 14746 9140 15000 9206 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 6940 15000 7630 3 FreeSans 520 180 0 0 vssa
+port 9 nsew
+flabel metal4 s 14746 12410 15000 13300 3 FreeSans 520 180 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 14746 1370 15000 2300 3 FreeSans 520 180 0 0 vccd
+port 15 nsew
+flabel metal4 s 14746 9266 15000 9862 3 FreeSans 520 180 0 0 amuxbus_b
+port 1 nsew
+flabel metal4 s 14746 34750 15000 39593 3 FreeSans 520 180 0 0 vssio
+port 16 nsew
+flabel metal4 s 14746 10218 15000 10814 3 FreeSans 520 180 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 14746 13600 15000 18593 3 FreeSans 520 180 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 34750 254 39593 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 3550 254 4480 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 12410 254 13300 3 FreeSans 520 0 0 0 vddio_q
+port 12 nsew
+flabel metal4 s 0 13600 254 18593 3 FreeSans 520 0 0 0 vddio
+port 14 nsew
+flabel metal4 s 0 1370 254 2300 3 FreeSans 520 0 0 0 vccd
+port 15 nsew
+flabel metal4 s 0 9140 254 9206 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 5970 254 6660 3 FreeSans 520 0 0 0 vswitch
+port 11 nsew
+flabel metal4 s 0 0 254 1090 3 FreeSans 520 0 0 0 vcchib
+port 13 nsew
+flabel metal4 s 0 9922 254 10158 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 11240 254 12130 3 FreeSans 520 0 0 0 vssio_q
+port 18 nsew
+flabel metal4 s 0 4760 254 5690 3 FreeSans 520 0 0 0 vssio
+port 16 nsew
+flabel metal4 s 0 2580 193 3270 3 FreeSans 520 0 0 0 vdda
+port 10 nsew
+flabel metal4 s 0 10218 254 10814 3 FreeSans 520 0 0 0 amuxbus_a
+port 0 nsew
+flabel metal4 s 0 10874 254 10940 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 6940 254 7630 3 FreeSans 520 0 0 0 vssa
+port 9 nsew
+flabel metal4 s 0 7910 254 8840 3 FreeSans 520 0 0 0 vssd
+port 17 nsew
+flabel metal4 s 0 9266 254 9862 3 FreeSans 520 0 0 0 amuxbus_b
+port 1 nsew
+<< properties >>
+string LEFclass PAD GROUND
+string FIXED_BBOX 0 0 15000 39593
+<< end >>

diff --git a/sky130/custom/sky130_fd_io/verilog/power_pads_lib.v b/sky130/custom/sky130_fd_io/verilog/power_pads_lib.v
index f12b529..8e36a8e 100644
--- a/sky130/custom/sky130_fd_io/verilog/power_pads_lib.v
+++ b/sky130/custom/sky130_fd_io/verilog/power_pads_lib.v

@@ -1,15 +1,15 @@
 //-----------------------------------------------------------------------
-// Verilog entries for standard power pads (s8 power pads + overlays)
+// Verilog entries for standard power pads (sky130 power pads + overlays)
 // Also includes stub entries for the corner and fill cells
 // Also includes the custom gpiov2 cell (adds m5 on buses), which is a wrapper
-// for the s8 gpiov2 cell.
+// for the sky130 gpiov2 cell.
 //
 // This file is distributed as open source under the Apache 2.0 license
-// Copyright 2019 efabless, Inc.
+// Copyright 2020 efabless, Inc.
 // Written by Tim Edwards 
 //-----------------------------------------------------------------------
 
-module s8iom0_vccd_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
+module sky130_fd_io__vccd_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
 	src_bdy_hvc, vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
 );
@@ -30,7 +30,7 @@
   inout vssio;
 
   // Instantiate the underlying power pad (connects p_pad to vccd)
-  s8iom0s8_top_power_hvc_wpad s8iom0s8_top_power_hvc_base ( 
+  sky130_fd_io__top_power_hvc_wpad sky130_fd_io__top_power_hvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -51,7 +51,7 @@
 
 endmodule
 
-module s8iom0_vccd_lvc_pad (amuxbus_a, amuxbus_b,
+module sky130_fd_io__vccd_lvc_pad (amuxbus_a, amuxbus_b,
 	drn_lvc1, drn_lvc2, src_bdy_lvc1, src_bdy_lvc2, bdy2_b2b,
 	vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
@@ -76,7 +76,7 @@
   inout vssio;
 
   // Instantiate the underlying power pad (connects p_pad to vccd)
-  s8iom0s8_top_power_lvc_wpad s8iom0s8_top_power_lvc_base ( 
+  sky130_fd_io__top_power_lvc_wpad sky130_fd_io__top_power_lvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -100,7 +100,7 @@
 
 endmodule
 
-module s8iom0_vdda_lvc_pad (amuxbus_a, amuxbus_b,
+module sky130_fd_io__vdda_lvc_pad (amuxbus_a, amuxbus_b,
 	drn_lvc1, drn_lvc2, src_bdy_lvc1, src_bdy_lvc2, bdy2_b2b,
 	vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
@@ -125,7 +125,7 @@
   inout vssio;
 
   // Instantiate the underlying power pad (connects p_pad to vdda)
-  s8iom0s8_top_power_lvc_wpad s8iom0s8_top_power_lvc_base ( 
+  sky130_fd_io__top_power_lvc_wpad sky130_fd_io__top_power_lvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -149,7 +149,7 @@
 
 endmodule
 
-module s8iom0_vdda_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
+module sky130_fd_io__vdda_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
 	src_bdy_hvc,vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
 );
@@ -170,7 +170,7 @@
   inout vssio;
 
   // Instantiate the underlying power pad (connects p_pad to vdda)
-  s8iom0s8_top_power_hvc_wpad s8iom0s8_top_power_hvc_base ( 
+  sky130_fd_io__top_power_hvc_wpad sky130_fd_io__top_power_hvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -191,7 +191,7 @@
 
 endmodule
 
-module s8iom0_vddio_lvc_pad (amuxbus_a, amuxbus_b,
+module sky130_fd_io__vddio_lvc_pad (amuxbus_a, amuxbus_b,
 	drn_lvc1, drn_lvc2, src_bdy_lvc1, src_bdy_lvc2, bdy2_b2b,
 	vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
@@ -216,7 +216,7 @@
   inout vssio;
 
   // Instantiate the underlying power pad (connects p_pad and vddio_q to vddio)
-  s8iom0s8_top_power_lvc_wpad s8iom0s8_top_power_lvc_base ( 
+  sky130_fd_io__top_power_lvc_wpad sky130_fd_io__top_power_lvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -242,7 +242,7 @@
 
 endmodule
 
-module s8iom0_vddio_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
+module sky130_fd_io__vddio_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
 	src_bdy_hvc,vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
 );
@@ -263,7 +263,7 @@
   inout vssio;
 
   // Instantiate the underlying power pad (connects p_pad and vddio_q to vddio)
-  s8iom0s8_top_power_hvc_wpad s8iom0s8_top_power_hvc_base ( 
+  sky130_fd_io__top_power_hvc_wpad sky130_fd_io__top_power_hvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -286,7 +286,7 @@
 
 endmodule
 
-module s8iom0_vssd_lvc_pad (amuxbus_a, amuxbus_b,
+module sky130_fd_io__vssd_lvc_pad (amuxbus_a, amuxbus_b,
 	drn_lvc1, drn_lvc2, src_bdy_lvc1, src_bdy_lvc2, bdy2_b2b,
 	vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
@@ -311,7 +311,7 @@
   inout vssio;
 
   // Instantiate the underlying ground pad (connects g_pad to vssd)
-  s8iom0s8_top_ground_lvc_wpad s8iom0s8_top_ground_lvc_base ( 
+  sky130_fd_io__top_ground_lvc_wpad sky130_fd_io__top_ground_lvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -335,7 +335,7 @@
 
 endmodule
 
-module s8iom0_vssd_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
+module sky130_fd_io__vssd_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
 	src_bdy_hvc, vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
 );
@@ -356,7 +356,7 @@
   inout vssio;
 
   // Instantiate the underlying ground pad (connects g_pad to vssd)
-  s8iom0s8_top_ground_hvc_wpad s8iom0s8_top_ground_hvc_base ( 
+  sky130_fd_io__top_ground_hvc_wpad sky130_fd_io__top_ground_hvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -377,7 +377,7 @@
 
 endmodule
 
-module s8iom0_vssio_lvc_pad (amuxbus_a, amuxbus_b,
+module sky130_fd_io__vssio_lvc_pad (amuxbus_a, amuxbus_b,
 	drn_lvc1, drn_lvc2, src_bdy_lvc1, src_bdy_lvc2, bdy2_b2b,
 	vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
@@ -402,7 +402,7 @@
   inout vssio;
 
   // Instantiate the underlying ground pad (connects g_pad and vssio_q to vssio)
-  s8iom0s8_top_ground_lvc_wpad s8iom0s8_top_ground_lvc_base ( 
+  sky130_fd_io__top_ground_lvc_wpad sky130_fd_io__top_ground_lvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -429,7 +429,7 @@
 endmodule
 
 
-module s8iom0_vssio_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
+module sky130_fd_io__vssio_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
 	src_bdy_hvc,vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
 );
@@ -450,7 +450,7 @@
   inout vssio;
 
   // Instantiate the underlying ground pad (connects g_pad and vssio_q to vssio)
-  s8iom0s8_top_ground_hvc_wpad s8iom0s8_top_ground_hvc_base ( 
+  sky130_fd_io__top_ground_hvc_wpad sky130_fd_io__top_ground_hvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -473,7 +473,7 @@
 
 endmodule
 
-module s8iom0_vssa_lvc_pad (amuxbus_a, amuxbus_b,
+module sky130_fd_io__vssa_lvc_pad (amuxbus_a, amuxbus_b,
 	drn_lvc1, drn_lvc2, src_bdy_lvc1, src_bdy_lvc2, bdy2_b2b,
 	vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
@@ -498,7 +498,7 @@
   inout vssio;
 
   // Instantiate the underlying ground pad (connects g_pad to vssa)
-  s8iom0s8_top_ground_lvc_wpad s8iom0s8_top_ground_lvc_base ( 
+  sky130_fd_io__top_ground_lvc_wpad sky130_fd_io__top_ground_lvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -522,7 +522,7 @@
 
 endmodule
 
-module s8iom0_vssa_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
+module sky130_fd_io__vssa_hvc_pad (amuxbus_a, amuxbus_b, drn_hvc,
 	src_bdy_hvc,vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
 );
@@ -543,7 +543,7 @@
   inout vssio;
 
   // Instantiate the underlying ground pad (connects g_pad to vssa)
-  s8iom0s8_top_ground_hvc_wpad s8iom0s8_top_ground_hvc_base ( 
+  sky130_fd_io__top_ground_hvc_wpad sky130_fd_io__top_ground_hvc_base ( 
 	.vssa(vssa),
 	.vdda(vdda),
 	.vswitch(vswitch),
@@ -564,7 +564,7 @@
 
 endmodule
 
-module s8iom0_corner_pad (amuxbus_a, amuxbus_b, 
+module sky130_fd_io__corner_pad (amuxbus_a, amuxbus_b, 
 	vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
 );
@@ -584,7 +584,7 @@
 
 endmodule
 
-module s8iom0s8_com_bus_slice (amuxbus_a, amuxbus_b,
+module sky130_fd_io__com_bus_slice (amuxbus_a, amuxbus_b,
 	vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
 );
@@ -604,7 +604,7 @@
 
 endmodule
 
-module s8iom0s8_com_bus_slice_1um (amuxbus_a, amuxbus_b,
+module sky130_fd_io__com_bus_slice_1um (amuxbus_a, amuxbus_b,
 	vssa, vdda, vswitch, vddio_q, vcchib, vddio, vccd,
 	vssio, vssd, vssio_q
 );
@@ -624,7 +624,7 @@
 
 endmodule
 
-module s8iom0_gpiov2_pad (in_h, pad_a_noesd_h, pad_a_esd_0_h, pad_a_esd_1_h,
+module sky130_fd_io__gpiov2_pad (in_h, pad_a_noesd_h, pad_a_esd_0_h, pad_a_esd_1_h,
     pad, dm, hld_h_n, in, inp_dis, ib_mode_sel, enable_h, enable_vdda_h,
     enable_inp_h, oe_n, tie_hi_esd, tie_lo_esd, slow, vtrip_sel, hld_ovr,
     analog_en, analog_sel, enable_vddio, enable_vswitch_h, analog_pol, out,
@@ -671,7 +671,7 @@
 output tie_hi_esd, tie_lo_esd;
 
 // Instantiate original version with metal4-only power bus
-s8iom0s8_top_gpiov2 gpiov2_base (
+sky130_fd_io__top_gpiov2 gpiov2_base (
     .in_h(in_h),
     .pad_a_noesd_h(pad_a_noesd_h),
     .pad_a_esd_0_h(pad_a_esd_0_h),

diff --git a/sky130/sky130.tech b/sky130/sky130.tech
index 881eee2..48552e8 100644
--- a/sky130/sky130.tech
+++ b/sky130/sky130.tech

@@ -12,7 +12,7 @@
 # This file is an Open Source foundry process describing
 # the SkyWater S8 hybrid 0.18um / 0.13um fabrication
 # process.  The file may be distributed under the terms
-# of the (Apache 2.0(?)) license agreement.
+# of the Apache 2.0 license agreement.
 #
 #----------------------------------------------------------
 # This file is designed to be used with magic versions
@@ -29,17 +29,8 @@
 end
 
 #----------------------------------------------------------
-# Status: 3/17/19: s8.tech created from xh018.tech
-#
-# Status: 3/20/19: Rev 0 (pre-alpha):
-# Work in progress.  Converted from original techfile to S8
-# with all sections updated with as much information as could
-# be immediately gleaned from the documentation.  Cifinput and
-# DRC sections have been checked against one standard cell
-# library.
-#
-# Status 5/5/20: Rev 1 (alpha):
-# Changed name from s8 to sky130
+# Status 7/5/20: Rev 1 (alpha):
+# First public release
 #--------------------------------------------------------------
 
 #--------------------------------------------------------------
commit	ab5bae8e4cb1ccf7f1708c72328354366989cc97	[log] [tgz]
author	Tim Edwards <tim@opencircuitdesign.com>	Sun Jul 05 17:40:59 2020 -0400
committer	Tim Edwards <tim@opencircuitdesign.com>	Sun Jul 05 17:40:59 2020 -0400
tree	0c6ebf777096358e9bb56c925833d282c41822ee
parent	55f4d0e3a2ff276a220fd75d535b2c23b12eab72 [diff]