diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_085C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_085C_1v95.lib.json
index f9d22f9..c38f270 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_085C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_085C_1v95.lib.json
@@ -1942,7 +1942,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 0000c43..b60209e 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -1941,7 +1941,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_100C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_100C_1v95.lib.json
index 74a38f0..aa0843c 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_100C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_100C_1v95.lib.json
@@ -2024,7 +2024,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_150C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_150C_1v95.lib.json
index a3f0afb..56b6e69 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_150C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_150C_1v95.lib.json
@@ -2025,7 +2025,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v56.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v56.lib.json
index 2a4ae48..3f546d7 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v56.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v56.lib.json
@@ -1775,7 +1775,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 9b7cf9b..520ebe1 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -1941,7 +1941,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v76.lib.json
index dac86cd..9105154 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v76.lib.json
@@ -1941,7 +1941,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v95_ccsnoise.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v95_ccsnoise.lib.json
index 6815d45..992d650 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v95_ccsnoise.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ff_n40C_1v95_ccsnoise.lib.json
@@ -12194,7 +12194,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_100C_1v40.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_100C_1v40.lib.json
index f6980e9..8753609 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_100C_1v40.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_100C_1v40.lib.json
@@ -1776,7 +1776,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_100C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_100C_1v60.lib.json
index 587152e..f4dea38 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_100C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_100C_1v60.lib.json
@@ -1773,7 +1773,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_150C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_150C_1v60.lib.json
index acc1c87..02cf141 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_150C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_150C_1v60.lib.json
@@ -1857,7 +1857,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v28.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v28.lib.json
index 8277e7d..270db0a 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v28.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v28.lib.json
@@ -1773,7 +1773,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v35.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v35.lib.json
index 49cb39b..0c47a7c 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v35.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v35.lib.json
@@ -1776,7 +1776,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v40.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v40.lib.json
index cc79629..e2c9d08 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v40.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v40.lib.json
@@ -1776,7 +1776,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v44.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v44.lib.json
index 722826b..0a856d2 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v44.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v44.lib.json
@@ -1773,7 +1773,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v60_ccsnoise.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v60_ccsnoise.lib.json
index 7978806..fb8eed3 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v60_ccsnoise.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v60_ccsnoise.lib.json
@@ -7656,7 +7656,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v76.lib.json
index 26b3eed..2b36ab2 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__ss_n40C_1v76.lib.json
@@ -1942,7 +1942,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__tt_025C_1v80_ccsnoise.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__tt_025C_1v80_ccsnoise.lib.json
index 5f70cb2..daad8dc 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__tt_025C_1v80_ccsnoise.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__tt_025C_1v80_ccsnoise.lib.json
@@ -12194,7 +12194,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__tt_100C_1v80.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__tt_100C_1v80.lib.json
index faf259f..83c14da 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__tt_100C_1v80.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_1__tt_100C_1v80.lib.json
@@ -1941,7 +1941,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_085C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_085C_1v95.lib.json
index e23c6b6..506babc 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_085C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_085C_1v95.lib.json
@@ -2110,7 +2110,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index f274d0e..7e98430 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -2109,7 +2109,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_100C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_100C_1v95.lib.json
index bbca988..3dbc809 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_100C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_100C_1v95.lib.json
@@ -2108,7 +2108,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_150C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_150C_1v95.lib.json
index 01d506f..38f2195 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_150C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_150C_1v95.lib.json
@@ -2109,7 +2109,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v56.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v56.lib.json
index 3bdf7d7..25dd2eb 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v56.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v56.lib.json
@@ -1859,7 +1859,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 5f1f8eb..11753e6 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -2109,7 +2109,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v76.lib.json
index af58d1f..f46063e 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v76.lib.json
@@ -2109,7 +2109,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v95_ccsnoise.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v95_ccsnoise.lib.json
index b2340e8..bf87bc8 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v95_ccsnoise.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ff_n40C_1v95_ccsnoise.lib.json
@@ -12362,7 +12362,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_100C_1v40.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_100C_1v40.lib.json
index 4c39ac7..8ee29ed 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_100C_1v40.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_100C_1v40.lib.json
@@ -1860,7 +1860,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_100C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_100C_1v60.lib.json
index d19be99..ad17b4d 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_100C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_100C_1v60.lib.json
@@ -1941,7 +1941,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_150C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_150C_1v60.lib.json
index 97e1cb2..2e2e7ee 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_150C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_150C_1v60.lib.json
@@ -1941,7 +1941,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v28.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v28.lib.json
index b6921c9..e0f5181 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v28.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v28.lib.json
@@ -1857,7 +1857,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v35.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v35.lib.json
index 9f23b18..226faf5 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v35.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v35.lib.json
@@ -1860,7 +1860,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v40.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v40.lib.json
index 03912ed..5e2ee9c 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v40.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v40.lib.json
@@ -1860,7 +1860,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v44.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v44.lib.json
index 84f53bf..73892ac 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v44.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v44.lib.json
@@ -1857,7 +1857,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v60_ccsnoise.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v60_ccsnoise.lib.json
index 4ce7361..c4a4364 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v60_ccsnoise.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v60_ccsnoise.lib.json
@@ -7740,7 +7740,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v76.lib.json
index 17943e2..5115e40 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__ss_n40C_1v76.lib.json
@@ -2110,7 +2110,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__tt_025C_1v80_ccsnoise.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__tt_025C_1v80_ccsnoise.lib.json
index 63081ca..b16156f 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__tt_025C_1v80_ccsnoise.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__tt_025C_1v80_ccsnoise.lib.json
@@ -12278,7 +12278,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__tt_100C_1v80.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__tt_100C_1v80.lib.json
index 0d52824..528cde1 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__tt_100C_1v80.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_2__tt_100C_1v80.lib.json
@@ -2025,7 +2025,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_085C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_085C_1v95.lib.json
index 16cd9bf..ca7ee97 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_085C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_085C_1v95.lib.json
@@ -2194,7 +2194,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 70fb1ee..4407968 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -2193,7 +2193,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_100C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_100C_1v95.lib.json
index f7d5f28..2729410 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_100C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_100C_1v95.lib.json
@@ -2276,7 +2276,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_150C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_150C_1v95.lib.json
index 7caca83..ddbb19a 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_150C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_150C_1v95.lib.json
@@ -2277,7 +2277,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v56.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v56.lib.json
index 78fd812..52d30a9 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v56.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v56.lib.json
@@ -2027,7 +2027,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 68935ac..c4ff631 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -2193,7 +2193,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v76.lib.json
index 0f954fe..e432801 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v76.lib.json
@@ -2193,7 +2193,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v95_ccsnoise.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v95_ccsnoise.lib.json
index b13ff28..5ee3ceb 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v95_ccsnoise.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ff_n40C_1v95_ccsnoise.lib.json
@@ -12446,7 +12446,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_100C_1v40.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_100C_1v40.lib.json
index 34f803d..a8b580c 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_100C_1v40.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_100C_1v40.lib.json
@@ -2028,7 +2028,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_100C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_100C_1v60.lib.json
index 51969ee..2b9c51b 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_100C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_100C_1v60.lib.json
@@ -2109,7 +2109,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_150C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_150C_1v60.lib.json
index f19e79c..e152592 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_150C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_150C_1v60.lib.json
@@ -2109,7 +2109,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v28.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v28.lib.json
index 241f3b5..da7efc8 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v28.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v28.lib.json
@@ -2025,7 +2025,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v35.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v35.lib.json
index 49ffd1d..a057576 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v35.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v35.lib.json
@@ -2028,7 +2028,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v40.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v40.lib.json
index 7aa5648..f41ac77 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v40.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v40.lib.json
@@ -2028,7 +2028,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v44.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v44.lib.json
index 551af07..0f80082 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v44.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v44.lib.json
@@ -2025,7 +2025,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v60_ccsnoise.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v60_ccsnoise.lib.json
index 1267dff..d4d1c5f 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v60_ccsnoise.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v60_ccsnoise.lib.json
@@ -7908,7 +7908,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v76.lib.json
index 498f5bc..3874678 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__ss_n40C_1v76.lib.json
@@ -2194,7 +2194,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__tt_025C_1v80_ccsnoise.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__tt_025C_1v80_ccsnoise.lib.json
index 1103606..f8c5667 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__tt_025C_1v80_ccsnoise.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__tt_025C_1v80_ccsnoise.lib.json
@@ -12446,7 +12446,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__tt_100C_1v80.lib.json b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__tt_100C_1v80.lib.json
index 060ebba..18ba682 100644
--- a/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__tt_100C_1v80.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_ls__dlclkp_4__tt_100C_1v80.lib.json
@@ -2193,7 +2193,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_085C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_085C_1v95.lib.json
index c3fae03..1a548dc 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_085C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_085C_1v95.lib.json
@@ -1958,7 +1958,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 0e9b21d..5b26914 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -1957,7 +1957,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_100C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_100C_1v95.lib.json
index 2ced8f0..4e78eea 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_100C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_100C_1v95.lib.json
@@ -1956,7 +1956,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_150C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_150C_1v95.lib.json
index 211d63c..0300c6c 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_150C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_150C_1v95.lib.json
@@ -1957,7 +1957,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v56.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v56.lib.json
index 5904967..bb293ed 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v56.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v56.lib.json
@@ -1791,7 +1791,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 9a4b0bb..4c9d139 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -1957,7 +1957,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v76.lib.json
index 637e528..8a63129 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v76.lib.json
@@ -1957,7 +1957,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v95_ccsnoise.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v95_ccsnoise.lib.json
index 84b5b20..693e6de 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v95_ccsnoise.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ff_n40C_1v95_ccsnoise.lib.json
@@ -13638,7 +13638,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_100C_1v40.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_100C_1v40.lib.json
index c97106b..0e46788 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_100C_1v40.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_100C_1v40.lib.json
@@ -1792,7 +1792,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_100C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_100C_1v60.lib.json
index b9eaa8c..d7548d1 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_100C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_100C_1v60.lib.json
@@ -1789,7 +1789,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_150C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_150C_1v60.lib.json
index c75ce4c..929b038 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_150C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_150C_1v60.lib.json
@@ -1873,7 +1873,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v28.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v28.lib.json
index abd3395..6757e50 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v28.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v28.lib.json
@@ -1789,7 +1789,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v35.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v35.lib.json
index c2d73cf..65c142c 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v35.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v35.lib.json
@@ -1792,7 +1792,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v40.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v40.lib.json
index b399095..941a708 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v40.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v40.lib.json
@@ -1792,7 +1792,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v44.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v44.lib.json
index a04196f..81b8fb2 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v44.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v44.lib.json
@@ -1789,7 +1789,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v60_ccsnoise.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v60_ccsnoise.lib.json
index 525d041..a87ae0c 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v60_ccsnoise.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v60_ccsnoise.lib.json
@@ -10616,7 +10616,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v76.lib.json
index a526359..6428868 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__ss_n40C_1v76.lib.json
@@ -1958,7 +1958,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__tt_025C_1v80_ccsnoise.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__tt_025C_1v80_ccsnoise.lib.json
index 3bf73f8..26c9381 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__tt_025C_1v80_ccsnoise.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__tt_025C_1v80_ccsnoise.lib.json
@@ -13638,7 +13638,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__tt_100C_1v80.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__tt_100C_1v80.lib.json
index 3d979b9..8935d2d 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__tt_100C_1v80.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_1__tt_100C_1v80.lib.json
@@ -1957,7 +1957,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_085C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_085C_1v95.lib.json
index 3d51d06..7d9b1ca 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_085C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_085C_1v95.lib.json
@@ -2126,7 +2126,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 18811db..68a2132 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -2125,7 +2125,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_100C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_100C_1v95.lib.json
index 07a44a9..c0d391c 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_100C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_100C_1v95.lib.json
@@ -2124,7 +2124,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_150C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_150C_1v95.lib.json
index f9276c5..0e2d119 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_150C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_150C_1v95.lib.json
@@ -2125,7 +2125,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v56.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v56.lib.json
index 032e832..fe9f9cb 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v56.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v56.lib.json
@@ -1875,7 +1875,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 82d05df..144e682 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -2125,7 +2125,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v76.lib.json
index 501457c..3d483b5 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v76.lib.json
@@ -2125,7 +2125,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v95_ccsnoise.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v95_ccsnoise.lib.json
index 5cd835b..4d3cbba 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v95_ccsnoise.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ff_n40C_1v95_ccsnoise.lib.json
@@ -13806,7 +13806,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_100C_1v40.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_100C_1v40.lib.json
index 54ee175..df23871 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_100C_1v40.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_100C_1v40.lib.json
@@ -1876,7 +1876,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_100C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_100C_1v60.lib.json
index 2e55cd9..e33703a 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_100C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_100C_1v60.lib.json
@@ -1957,7 +1957,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_150C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_150C_1v60.lib.json
index 2913cdf..133ac0d 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_150C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_150C_1v60.lib.json
@@ -1957,7 +1957,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v28.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v28.lib.json
index 35a1219..d12bcc2 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v28.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v28.lib.json
@@ -1873,7 +1873,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v35.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v35.lib.json
index edaefb5..3d62cb7 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v35.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v35.lib.json
@@ -1876,7 +1876,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v40.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v40.lib.json
index 924f725..0ee93dd 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v40.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v40.lib.json
@@ -1876,7 +1876,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v44.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v44.lib.json
index d8052fd..0a24546 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v44.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v44.lib.json
@@ -1873,7 +1873,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v60_ccsnoise.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v60_ccsnoise.lib.json
index 0bf3e85..48bba26 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v60_ccsnoise.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v60_ccsnoise.lib.json
@@ -10700,7 +10700,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v76.lib.json
index 0423340..4b39521 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__ss_n40C_1v76.lib.json
@@ -2126,7 +2126,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__tt_025C_1v80_ccsnoise.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__tt_025C_1v80_ccsnoise.lib.json
index 37c972e..d806048 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__tt_025C_1v80_ccsnoise.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__tt_025C_1v80_ccsnoise.lib.json
@@ -13722,7 +13722,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__tt_100C_1v80.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__tt_100C_1v80.lib.json
index 5db361c..dc39443 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__tt_100C_1v80.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_2__tt_100C_1v80.lib.json
@@ -2041,7 +2041,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_085C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_085C_1v95.lib.json
index 55906a6..5ed5797 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_085C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_085C_1v95.lib.json
@@ -2210,7 +2210,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index e6c7672..992da9d 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_100C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -2209,7 +2209,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_100C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_100C_1v95.lib.json
index 5b25317..7ad71d4 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_100C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_100C_1v95.lib.json
@@ -2208,7 +2208,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_150C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_150C_1v95.lib.json
index 4b507fb..631042d 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_150C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_150C_1v95.lib.json
@@ -2293,7 +2293,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v56.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v56.lib.json
index 90b4d35..a639f61 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v56.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v56.lib.json
@@ -2043,7 +2043,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
index 3b2891a..957d2d1 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v65_dest1v76_destvpb1v76_ka1v76.lib.json
@@ -2209,7 +2209,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v76.lib.json
index e0344db..9cd3bc7 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v76.lib.json
@@ -2209,7 +2209,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v95_ccsnoise.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v95_ccsnoise.lib.json
index f059c86..e9de349 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v95_ccsnoise.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ff_n40C_1v95_ccsnoise.lib.json
@@ -13890,7 +13890,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_100C_1v40.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_100C_1v40.lib.json
index b8de3ca..8cd4889 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_100C_1v40.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_100C_1v40.lib.json
@@ -2044,7 +2044,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_100C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_100C_1v60.lib.json
index 657692c..06fe593 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_100C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_100C_1v60.lib.json
@@ -2041,7 +2041,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_150C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_150C_1v60.lib.json
index 6b58eeb..d2244cb 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_150C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_150C_1v60.lib.json
@@ -2125,7 +2125,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v28.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v28.lib.json
index 89576b3..8fa643a 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v28.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v28.lib.json
@@ -2041,7 +2041,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v35.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v35.lib.json
index c7dd9cc..2e8ba3b 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v35.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v35.lib.json
@@ -2044,7 +2044,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v40.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v40.lib.json
index 917ab20..f45c4ae 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v40.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v40.lib.json
@@ -2044,7 +2044,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v44.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v44.lib.json
index 55dc32d..a0661cb 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v44.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v44.lib.json
@@ -2041,7 +2041,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v60_ccsnoise.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v60_ccsnoise.lib.json
index edceae2..6d4ac3e 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v60_ccsnoise.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v60_ccsnoise.lib.json
@@ -10868,7 +10868,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v76.lib.json
index 93c9556..3d3352f 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__ss_n40C_1v76.lib.json
@@ -2210,7 +2210,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__tt_025C_1v80_ccsnoise.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__tt_025C_1v80_ccsnoise.lib.json
index 156cef7..2d65114 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__tt_025C_1v80_ccsnoise.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__tt_025C_1v80_ccsnoise.lib.json
@@ -13890,7 +13890,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__tt_100C_1v80.lib.json b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__tt_100C_1v80.lib.json
index cc957a7..2fb11f8 100644
--- a/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__tt_100C_1v80.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_ls__sdlclkp_4__tt_100C_1v80.lib.json
@@ -2209,7 +2209,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VNB",
     "related_power_pin": "VPWR"
   },