| **.subckt prescaler_23 vdd CLK nCLK MC vss CLK_23 nCLK_23 Q1 Q2 Q2_d |
| *.iopin vdd |
| *.ipin CLK |
| *.ipin nCLK |
| *.ipin MC |
| *.iopin vss |
| *.opin CLK_23 |
| *.iopin nCLK_23 |
| *.iopin Q1 |
| *.iopin Q2 |
| *.iopin Q2_d |
| x3 nCLK_23 1 vss vss vdd vdd 2 sky130_fd_sc_hs__and2_1 |
| x4 Q1 MC vss vss vdd vdd 1 sky130_fd_sc_hs__or2_1 |
| x6 3 nCLK_23 MC vss vss vdd vdd CLK_23 sky130_fd_sc_hs__mux2_1 |
| x7 Q2 Q2_d vss vss vdd vdd 3 sky130_fd_sc_hs__or2_1 |
| x1 vdd Q1 net1 vss nCLK_23 CLK nCLK DFlipFlop |
| x2 vdd Q2 nCLK_23 vss 2 CLK nCLK DFlipFlop |
| x5 vdd Q2_d net2 vss Q2 nCLK CLK DFlipFlop |
| **.ends |
| |
| * expanding symbol: DFlipFlop.sym # of pins=7 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/DFlipFlop.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/DFlipFlop.sch |
| .subckt DFlipFlop vdd Q nQ vss 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 |
