diff --git a/technology/gf180mcu/gds_lib/cell1rw.gds b/technology/gf180mcu/gds_lib/cell1rw.gds
new file mode 100644
index 00000000..d8149eb9
Binary files /dev/null and b/technology/gf180mcu/gds_lib/cell1rw.gds differ
diff --git a/technology/gf180mcu/sp_lib/cell1rw.sp b/technology/gf180mcu/sp_lib/cell1rw.sp
new file mode 100644
index 00000000..2a199681
--- /dev/null
+++ b/technology/gf180mcu/sp_lib/cell1rw.sp
@@ -0,0 +1,11 @@
+* NGSPICE file created from 018SRAM_cell1_128x8m81.ext - technology: gf180mcuC
+
+.subckt x018SRAM_cell1_128x8m81 VDD WL GND BL BR nwell pwell
+X0 GND a_63_149# a_18_103# pwell nmos_6p0 w=0.95u l=0.6u
+X1 a_18_103# WL BL pwell nmos_6p0 w=0.6u l=0.77u
+X2 a_63_149# a_18_103# VDD nwell pmos_6p0 w=0.6u l=0.6u
+X3 a_63_149# WL BR pwell nmos_6p0 w=0.6u l=0.77u
+X4 VDD a_63_149# a_18_103# nwell pmos_6p0 w=0.6u l=0.6u
+X5 a_63_149# a_18_103# GND pwell nmos_6p0 w=0.95u l=0.6u
+.ends
+