* SkyWater PDK
* simple inverter

* Path to the PDK, to be set by you, the user
*.include "D:\Spice_general\skywater-pdk\libraries\sky130_fd_pr\latest\models\corners/tt.spice"
*.lib "D:\Spice_general\skywater-pdk\libraries\sky130_fd_pr\latest\models\sky130.lib.spice" tt
.lib D:\Spice_general\open_pdks\sky130\sky130A\libs.tech\combined\sky130.lib.spice tt

* the voltage sources: 
Vdd vdd gnd DC 1.8
V1 in gnd pulse(0 1.8 0p 200p 100p 1n 2n)

* calling the inverter subcircuit
Xnot1 in vdd gnd out not1

.subckt not1 a vdd vss z
xm01   z a     vdd     vdd sky130_fd_pr__pfet_01v8_hvt  l=0.15  w=0.99  as=0.26235  ad=0.26235  ps=2.51   pd=2.51
xm02   z a     vss     vss sky130_fd_pr__nfet_01v8  l=0.15  w=0.495 as=0.131175 ad=0.131175 ps=1.52   pd=1.52
c3  a     vss   0.384f
c2  z     vss   0.576f
.ends

* simulation command: 
.tran 1ps 10ns 0 10p

.control
run
rusage time
set xbrushwidth=3
plot in out
*gnuplot interm in out
.endc

.end