* Test

.options scale=1e-6

.model sky130_fd_pr__pfet_01v8 NMOS level=8 version=3.3.0
.model sky130_fd_pr__nfet_01v8 NMOS level=8 version=3.3.0

XXpmos Q I VDD VDD pmos4_standard v=1.5 l=0.15 nf=4
XXnmos Q I VSS VSS nmos4_standard v=1.5 l=0.15 nf=4
XXDUMMY0 VSS VSS VSS VSS nmos4_standard v=1.5 l=0.15 nf=2
XXDUMMY1 VSS VSS VSS VSS nmos4_standard v=1.5 l=0.15 nf=2
XXDUMMY2 VDD VDD VDD VDD pmos4_standard v=1.5 l=0.15 nf=2
XXDUMMY3 VDD VDD VDD VDD pmos4_standard v=1.5 l=0.15 nf=2

* NOTE: "W" in the "ad" formula uses the previously computed parameter "W"
.subckt pmos4_standard  D G S B  v=0.1  l=0.018  nf=4
MM1 D G S B sky130_fd_pr__pfet_01v8 L=l W='v * nf ' ad='int((nf+1)/2) * W/nf**2 * 0.29' as='int((nf+2)/2) * W/nf**2 * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf**2 + 0.29)' ps='2*int((nf+2)/2) * (W/nf**2 + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ m=1
.ends

* NOTE: "W" in the "ad" formula uses the previously computed parameter "W"
.subckt nmos4_standard  D G S B  v=0.1  l=0.018  nf=4
MM1 D G S B sky130_fd_pr__nfet_01v8 L=l W='v * nf ' ad='int((nf+1)/2) * W/nf**2 * 0.29' as='int((nf+2)/2) * W/nf**2 * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf**2 + 0.29)' ps='2*int((nf+2)/2) * (W/nf**2 + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ m=1
.ends

.end