diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_100C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_100C_1v95.lib.json
index 49982b3..4bf5389 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_100C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_100C_1v95.lib.json
@@ -2837,7 +2837,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_125C_3v15.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_125C_3v15.lib.json
index 1ac5de3..5f507b5 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_125C_3v15.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_125C_3v15.lib.json
@@ -2668,7 +2668,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_140C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_140C_1v95.lib.json
index 6cc33f9..dcd6dee 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_140C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_140C_1v95.lib.json
@@ -2837,7 +2837,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_150C_2v05.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_150C_2v05.lib.json
index 6795807..f60797d 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_150C_2v05.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_150C_2v05.lib.json
@@ -2584,7 +2584,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v56.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v56.lib.json
index cc473f7..b2df7d5 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v56.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v56.lib.json
@@ -2836,7 +2836,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v76.lib.json
index d7e11bb..cde6b09 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v76.lib.json
@@ -2836,7 +2836,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v95.lib.json
index 701362b..731e5e8 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_1v95.lib.json
@@ -2837,7 +2837,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_2v05.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_2v05.lib.json
index dc2b68e..ce875b1 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_2v05.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ff_n40C_2v05.lib.json
@@ -2584,7 +2584,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_100C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_100C_1v60.lib.json
index 82b6bbd..7596539 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_100C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_100C_1v60.lib.json
@@ -2501,7 +2501,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_140C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_140C_1v65.lib.json
index 73a6380..9107b2f 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_140C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_140C_1v65.lib.json
@@ -2501,7 +2501,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_150C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_150C_1v65.lib.json
index 91e6c0d..1960629 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_150C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_150C_1v65.lib.json
@@ -2248,7 +2248,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v55.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v55.lib.json
index 3f2536c..010c1c3 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v55.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v55.lib.json
@@ -2333,7 +2333,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v60.lib.json
index 8cc6b86..ecf5d59 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v60.lib.json
@@ -2333,7 +2333,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v65.lib.json
index ff93094..2974141 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_1__ss_n40C_1v65.lib.json
@@ -2417,7 +2417,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_100C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_100C_1v95.lib.json
index 4068096..2c68579 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_100C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_100C_1v95.lib.json
@@ -3089,7 +3089,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_125C_3v15.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_125C_3v15.lib.json
index 22c24fe..4c36e78 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_125C_3v15.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_125C_3v15.lib.json
@@ -2836,7 +2836,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_140C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_140C_1v95.lib.json
index e77b942..2c92937 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_140C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_140C_1v95.lib.json
@@ -3089,7 +3089,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_150C_2v05.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_150C_2v05.lib.json
index 72a9a0e..a93a220 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_150C_2v05.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_150C_2v05.lib.json
@@ -2836,7 +2836,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v56.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v56.lib.json
index 44effbe..ae8b275 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v56.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v56.lib.json
@@ -3088,7 +3088,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v76.lib.json
index 936091d..4e23bf7 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v76.lib.json
@@ -3088,7 +3088,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v95.lib.json
index 303b545..0d86851 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_1v95.lib.json
@@ -3089,7 +3089,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_2v05.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_2v05.lib.json
index 00263bb..d8fd437 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_2v05.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ff_n40C_2v05.lib.json
@@ -2836,7 +2836,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_100C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_100C_1v60.lib.json
index 20971ef..cdfb567 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_100C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_100C_1v60.lib.json
@@ -2753,7 +2753,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_140C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_140C_1v65.lib.json
index 1427153..4a65c2c 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_140C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_140C_1v65.lib.json
@@ -2753,7 +2753,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_150C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_150C_1v65.lib.json
index 70659ba..f0bf500 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_150C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_150C_1v65.lib.json
@@ -2500,7 +2500,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v55.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v55.lib.json
index 6d81cb4..17a382b 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v55.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v55.lib.json
@@ -2585,7 +2585,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v60.lib.json
index 6329860..c873f5f 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v60.lib.json
@@ -2669,7 +2669,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v65.lib.json
index 4240428..bfb40a8 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_2__ss_n40C_1v65.lib.json
@@ -2669,7 +2669,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_100C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_100C_1v95.lib.json
index d05bf50..5b1ff24 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_100C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_100C_1v95.lib.json
@@ -3341,7 +3341,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_125C_3v15.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_125C_3v15.lib.json
index 09ee8a0..202e881 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_125C_3v15.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_125C_3v15.lib.json
@@ -3088,7 +3088,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_140C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_140C_1v95.lib.json
index a12919e..7e4f6ca 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_140C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_140C_1v95.lib.json
@@ -3341,7 +3341,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_150C_2v05.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_150C_2v05.lib.json
index af79e32..1d86e98 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_150C_2v05.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_150C_2v05.lib.json
@@ -3004,7 +3004,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v56.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v56.lib.json
index 3300fb3..be4baa3 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v56.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v56.lib.json
@@ -3340,7 +3340,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v76.lib.json
index 98eda89..7a81cab 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v76.lib.json
@@ -3340,7 +3340,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v95.lib.json
index dabcb93..6269cfd 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_1v95.lib.json
@@ -3341,7 +3341,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_2v05.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_2v05.lib.json
index 7c67fb0..30e870c 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_2v05.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ff_n40C_2v05.lib.json
@@ -3004,7 +3004,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_100C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_100C_1v60.lib.json
index 4d4a0b5..2c66a99 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_100C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_100C_1v60.lib.json
@@ -3005,7 +3005,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_140C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_140C_1v65.lib.json
index d233568..859f0b1 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_140C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_140C_1v65.lib.json
@@ -3005,7 +3005,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_150C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_150C_1v65.lib.json
index f3fa577..2b3b851 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_150C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_150C_1v65.lib.json
@@ -2752,7 +2752,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v55.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v55.lib.json
index de9e07b..7dd8d64 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v55.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v55.lib.json
@@ -2837,7 +2837,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v60.lib.json
index 9c6d57b..0308a6b 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v60.lib.json
@@ -2837,7 +2837,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v65.lib.json
index 17b620a..1ec8257 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_4__ss_n40C_1v65.lib.json
@@ -2921,7 +2921,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_100C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_100C_1v95.lib.json
index abcc561..353c3f2 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_100C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_100C_1v95.lib.json
@@ -2501,7 +2501,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_125C_3v15.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_125C_3v15.lib.json
index ffb1fae..dc62321 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_125C_3v15.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_125C_3v15.lib.json
@@ -2416,7 +2416,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_140C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_140C_1v95.lib.json
index 24bb344..796f468 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_140C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_140C_1v95.lib.json
@@ -2501,7 +2501,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_150C_2v05.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_150C_2v05.lib.json
index b3ffb46..5a92a29 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_150C_2v05.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_150C_2v05.lib.json
@@ -2248,7 +2248,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v56.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v56.lib.json
index e84e722..e032ed7 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v56.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v56.lib.json
@@ -2500,7 +2500,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v76.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v76.lib.json
index 5076f1b..e4c1467 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v76.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v76.lib.json
@@ -2500,7 +2500,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v95.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v95.lib.json
index 40a6e4c..06eb465 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v95.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_1v95.lib.json
@@ -2501,7 +2501,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_2v05.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_2v05.lib.json
index d4a714f..5a19079 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_2v05.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ff_n40C_2v05.lib.json
@@ -2332,7 +2332,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_100C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_100C_1v60.lib.json
index d59fe99..2a55bea 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_100C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_100C_1v60.lib.json
@@ -1997,7 +1997,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_140C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_140C_1v65.lib.json
index 5939546..f3dc135 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_140C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_140C_1v65.lib.json
@@ -2081,7 +2081,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_150C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_150C_1v65.lib.json
index 542cb89..6326d43 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_150C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_150C_1v65.lib.json
@@ -1912,7 +1912,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v55.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v55.lib.json
index cce1ea1..30fb5ab 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v55.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v55.lib.json
@@ -1913,7 +1913,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v60.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v60.lib.json
index 749fbad..e2db4f1 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v60.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v60.lib.json
@@ -1997,7 +1997,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v65.lib.json b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v65.lib.json
index 56902ef..d6d47fa 100644
--- a/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v65.lib.json
+++ b/cells/dlclkp/sky130_fd_sc_lp__dlclkp_lp__ss_n40C_1v65.lib.json
@@ -1997,7 +1997,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_100C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_100C_1v95.lib.json
index 6372daa..7c07ded 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_100C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_100C_1v95.lib.json
@@ -2837,7 +2837,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_125C_3v15.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_125C_3v15.lib.json
index 23869b5..2a38c48 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_125C_3v15.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_125C_3v15.lib.json
@@ -2584,7 +2584,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_140C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_140C_1v95.lib.json
index 613cfda..244d114 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_140C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_140C_1v95.lib.json
@@ -2837,7 +2837,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_150C_2v05.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_150C_2v05.lib.json
index c2e6575..e93d971 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_150C_2v05.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_150C_2v05.lib.json
@@ -2584,7 +2584,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v56.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v56.lib.json
index 3c8b88e..68dbdca 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v56.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v56.lib.json
@@ -2836,7 +2836,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v76.lib.json
index b1a14b9..69ef009 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v76.lib.json
@@ -2836,7 +2836,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v95.lib.json
index 685e360..3bd4982 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_1v95.lib.json
@@ -2837,7 +2837,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_2v05.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_2v05.lib.json
index 8272685..2834d83 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_2v05.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ff_n40C_2v05.lib.json
@@ -2584,7 +2584,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_100C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_100C_1v60.lib.json
index a6b595f..068e464 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_100C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_100C_1v60.lib.json
@@ -2417,7 +2417,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_140C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_140C_1v65.lib.json
index 913e9b8..1b91a02 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_140C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_140C_1v65.lib.json
@@ -2501,7 +2501,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_150C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_150C_1v65.lib.json
index 3993b46..40f39d7 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_150C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_150C_1v65.lib.json
@@ -2248,7 +2248,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v55.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v55.lib.json
index 6573ea0..6f19072 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v55.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v55.lib.json
@@ -2333,7 +2333,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v60.lib.json
index 0b66e77..4a64ad4 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v60.lib.json
@@ -2333,7 +2333,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v65.lib.json
index 8d1f41b..5e4ec3e 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_1__ss_n40C_1v65.lib.json
@@ -2417,7 +2417,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_100C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_100C_1v95.lib.json
index 9c24076..63427cd 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_100C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_100C_1v95.lib.json
@@ -3005,7 +3005,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_125C_3v15.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_125C_3v15.lib.json
index 9cdc1b0..75558ae 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_125C_3v15.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_125C_3v15.lib.json
@@ -2752,7 +2752,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_140C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_140C_1v95.lib.json
index c15038e..799971a 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_140C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_140C_1v95.lib.json
@@ -3005,7 +3005,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_150C_2v05.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_150C_2v05.lib.json
index 5feda41..40a2061 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_150C_2v05.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_150C_2v05.lib.json
@@ -2752,7 +2752,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v56.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v56.lib.json
index 7d4cff8..c4b2b7c 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v56.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v56.lib.json
@@ -3004,7 +3004,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v76.lib.json
index b30f656..93de04e 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v76.lib.json
@@ -3004,7 +3004,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v95.lib.json
index ad47e62..44e6fe9 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_1v95.lib.json
@@ -3005,7 +3005,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_2v05.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_2v05.lib.json
index f5f311f..9b074bd 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_2v05.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ff_n40C_2v05.lib.json
@@ -2752,7 +2752,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_100C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_100C_1v60.lib.json
index ffe5786..c169641 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_100C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_100C_1v60.lib.json
@@ -2669,7 +2669,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_140C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_140C_1v65.lib.json
index a1a4d7c..58ed27f 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_140C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_140C_1v65.lib.json
@@ -2753,7 +2753,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_150C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_150C_1v65.lib.json
index 0bf2438..89bf6c7 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_150C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_150C_1v65.lib.json
@@ -2500,7 +2500,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v55.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v55.lib.json
index c1c0b45..4baecdd 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v55.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v55.lib.json
@@ -2585,7 +2585,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v60.lib.json
index eaa6e56..77da9d9 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v60.lib.json
@@ -2585,7 +2585,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v65.lib.json
index 0cded9e..aaf752f 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_2__ss_n40C_1v65.lib.json
@@ -2669,7 +2669,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_100C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_100C_1v95.lib.json
index 8a650dd..f204812 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_100C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_100C_1v95.lib.json
@@ -3425,7 +3425,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_125C_3v15.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_125C_3v15.lib.json
index cb436e1..43e2f46 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_125C_3v15.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_125C_3v15.lib.json
@@ -3088,7 +3088,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_140C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_140C_1v95.lib.json
index 6008302..fef18c0 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_140C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_140C_1v95.lib.json
@@ -3425,7 +3425,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_150C_2v05.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_150C_2v05.lib.json
index a50f974..e7edcf3 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_150C_2v05.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_150C_2v05.lib.json
@@ -3004,7 +3004,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v56.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v56.lib.json
index 70df459..00e45aa 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v56.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v56.lib.json
@@ -3424,7 +3424,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v76.lib.json
index 05f14cf..d7dd79b 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v76.lib.json
@@ -3424,7 +3424,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v95.lib.json
index 978bf3d..d37b3cb 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_1v95.lib.json
@@ -3425,7 +3425,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_2v05.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_2v05.lib.json
index 16a9639..b457932 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_2v05.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ff_n40C_2v05.lib.json
@@ -3004,7 +3004,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_100C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_100C_1v60.lib.json
index 87d59c4..fb5c4a2 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_100C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_100C_1v60.lib.json
@@ -3005,7 +3005,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_140C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_140C_1v65.lib.json
index b3a86d6..f66cc89 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_140C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_140C_1v65.lib.json
@@ -3089,7 +3089,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_150C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_150C_1v65.lib.json
index b35fd6a..361518d 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_150C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_150C_1v65.lib.json
@@ -2752,7 +2752,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v55.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v55.lib.json
index 6f79885..0729164 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v55.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v55.lib.json
@@ -2837,7 +2837,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v60.lib.json
index 8ab90d0..07a4083 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v60.lib.json
@@ -2921,7 +2921,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v65.lib.json
index e089e4b..470f97b 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_4__ss_n40C_1v65.lib.json
@@ -2921,7 +2921,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_100C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_100C_1v95.lib.json
index 0c67425..61ebae0 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_100C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_100C_1v95.lib.json
@@ -2501,7 +2501,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_125C_3v15.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_125C_3v15.lib.json
index b4af190..9376d9d 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_125C_3v15.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_125C_3v15.lib.json
@@ -2416,7 +2416,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_140C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_140C_1v95.lib.json
index 859b0f3..da85e63 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_140C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_140C_1v95.lib.json
@@ -2501,7 +2501,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_150C_2v05.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_150C_2v05.lib.json
index 5670999..3c6a2d9 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_150C_2v05.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_150C_2v05.lib.json
@@ -2248,7 +2248,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v56.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v56.lib.json
index 2c267f6..f1dccfe 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v56.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v56.lib.json
@@ -2500,7 +2500,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v76.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v76.lib.json
index 9f6bb1f..0623533 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v76.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v76.lib.json
@@ -2500,7 +2500,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v95.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v95.lib.json
index 086f3d3..9282ff7 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v95.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_1v95.lib.json
@@ -2501,7 +2501,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_2v05.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_2v05.lib.json
index c840323..d96094e 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_2v05.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ff_n40C_2v05.lib.json
@@ -2332,7 +2332,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_100C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_100C_1v60.lib.json
index b9ac92f..2471eae 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_100C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_100C_1v60.lib.json
@@ -1997,7 +1997,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_140C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_140C_1v65.lib.json
index 60f6d50..e93086a 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_140C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_140C_1v65.lib.json
@@ -2081,7 +2081,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_150C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_150C_1v65.lib.json
index 4f61bf1..c29bad6 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_150C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_150C_1v65.lib.json
@@ -1912,7 +1912,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v55.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v55.lib.json
index 5207db8..19b4ad2 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v55.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v55.lib.json
@@ -1913,7 +1913,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v60.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v60.lib.json
index b65a0d4..e16008b 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v60.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v60.lib.json
@@ -1913,7 +1913,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },
diff --git a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v65.lib.json b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v65.lib.json
index 53a60ee..b1589e7 100644
--- a/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v65.lib.json
+++ b/cells/sdlclkp/sky130_fd_sc_lp__sdlclkp_lp__ss_n40C_1v65.lib.json
@@ -1997,7 +1997,7 @@
   },
   "pin M0": {
     "direction": "internal",
-    "internal_node": "m0",
+    "internal_node": "M0",
     "related_ground_pin": "VGND",
     "related_power_pin": "VPWR"
   },