xschem/simulations/DFlipFlop.spice

**.subckt DFlipFlop vdd vss Q nQ D CLK nCLK
*.iopin vdd
*.iopin vss
*.opin Q
*.opin nQ
*.ipin D
*.ipin CLK
*.ipin nCLK
x1 vdd D_d D nD_d vss clock_inverter
x2 vdd nA A D_d nD_d CLK vss latch_diff
x3 vdd nQ Q A nA nCLK vss latch_diff
**.ends

* expanding   symbol:  clock_inverter.sym # of pins=5
* sym_path: /home/dhernando/caravel_analog_fulgor/xschem/clock_inverter.sym
* sch_path: /home/dhernando/caravel_analog_fulgor/xschem/clock_inverter.sch
.subckt clock_inverter  vdd CLK_d CLK nCLK_d vss
*.ipin CLK
*.iopin vdd
*.iopin vss
*.opin nCLK_d
*.opin CLK_d
x5 vdd nCLK_d net1 vss trans_gate
x1 vdd CLK_d net2 vss inverter_cp_x1
x2 vdd net2 CLK vss inverter_cp_x1
x3 vdd net1 CLK vss inverter_cp_x1
.ends


* expanding   symbol:  latch_diff.sym # of pins=7
* sym_path: /home/dhernando/caravel_analog_fulgor/xschem/latch_diff.sym
* sch_path: /home/dhernando/caravel_analog_fulgor/xschem/latch_diff.sch
.subckt latch_diff  vdd nQ Q D nD CLK vss
*.iopin vdd
*.iopin vss
*.ipin D
*.opin nQ
*.ipin CLK
*.ipin nD
*.opin Q
XM3 net1 CLK vss vss sky130_fd_pr__nfet_01v8 L=0.15 W=1.25 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=3 m=3 
XM4 nQ Q vdd vdd sky130_fd_pr__pfet_01v8 L=0.15 W=0.95 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=2 m=2 
XM5 Q nQ vdd vdd sky130_fd_pr__pfet_01v8 L=0.15 W=0.95 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=2 m=2 
XM1 nQ D net1 vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.95 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=2 m=2 
XM2 Q nD net1 vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.95 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=2 m=2 
.ends


* expanding   symbol:  trans_gate.sym # of pins=4
* sym_path: /home/dhernando/caravel_analog_fulgor/xschem/trans_gate.sym
* sch_path: /home/dhernando/caravel_analog_fulgor/xschem/trans_gate.sch
.subckt trans_gate  vdd out in vss
*.iopin vss
*.ipin in
*.opin out
*.iopin vdd
XM2 out vss in vdd sky130_fd_pr__pfet_01v8 L=0.15 W=1.25 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=3 m=3 
XM1 out vdd in vss sky130_fd_pr__nfet_01v8 L=0.15 W=1.25 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=3 m=3 
.ends


* expanding   symbol:  inverter_cp_x1.sym # of pins=4
* sym_path: /home/dhernando/caravel_analog_fulgor/xschem/inverter_cp_x1.sym
* sch_path: /home/dhernando/caravel_analog_fulgor/xschem/inverter_cp_x1.sch
.subckt inverter_cp_x1  vdd out in vss
*.iopin vss
*.ipin in
*.opin out
*.iopin vdd
XM2 out in vdd vdd sky130_fd_pr__pfet_01v8 L=0.15 W=1.25 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=3 m=3 
XM1 out in vss vss sky130_fd_pr__nfet_01v8 L=0.15 W=1.25 nf=1 ad='int((nf+1)/2) * W/nf * 0.29' as='int((nf+2)/2) * W/nf * 0.29'
+ pd='2*int((nf+1)/2) * (W/nf + 0.29)' ps='2*int((nf+2)/2) * (W/nf + 0.29)' nrd='0.29 / W' nrs='0.29 / W'
+ sa=0 sb=0 sd=0 mult=3 m=3 
.ends

** flattened .save nodes
.end