| **.subckt tb_freq_div |
| x1 s1n s0n S0 S1 MC clk_0 clk_pre vss vdd clk_out_mux21 clk_d n_clk_0 f_div clk_2 clk_5 clk_2_f |
| + nclk_2 clk_1 n_clk_1 freq_div |
| x2 nclk_2 vss CLK vdd clk_2 net1 net2 net3 net4 div_by_2 |
| x3 vss vdd net7 net6 f_div net8 net5 PFD |
| VSS vss GND {vss} |
| VDD vdd vss {vdd} |
| Vref net9 vss PULSE(0 {vin} 0 1p 1p {Tref/2} {Tref}) DC {vin} AC 0 |
| VMC S1 vss PULSE(0 {vin} 0 1p 1p 400n 800n) DC {vin} AC 0 |
| x4 vdd net10 net9 vss inverter_min_x2_pex_c |
| x5 vdd CLK net10 vss inverter_min_x4_pex_c |
| VMC1 S0 vss PULSE(0 {vin} 0 1p 1p 200n 400n) DC {vin} AC 0 |
| VMC2 MC vss PULSE(0 {vin} 0 1p 1p 100n 200n) DC {vin} AC 0 |
| **** begin user architecture code |
| |
| |
| |
| * Parameters |
| .param kp = 1.0 |
| .param vdd = kp*1.8 |
| .param vss = 0.0 |
| .param vin = vdd |
| .param fref = 1e9 |
| .param Tref = 1/fref |
| |
| .options TEMP = 100.0 |
| .options RSHUNT = 1e20 |
| .options GMIN = 1e-10 |
| |
| * Models |
| .lib ~/skywater/skywater-pdk/libraries/sky130_fd_pr_ngspice/latest/models/corners/sky130.lib SS |
| .include ~/caravel_analog_fulgor/xschem/simulations/inverter_min_x2_pex_c.spice |
| .include ~/caravel_analog_fulgor/xschem/simulations/inverter_min_x4_pex_c.spice |
| |
| * Data to save |
| .save all |
| .ic v(CLK) = 0.0 |
| .ic v(MC) = 0.0 |
| .ic v(clk_2) = 0.0 |
| .ic v(nclk_2) = 0.0 |
| .ic v(f_div) = 0.0 |
| .ic v(S0) = 0.0 |
| .ic v(S1) = 0.0 |
| .ic v(clk_0) = 0.0 |
| .ic v(n_clk_0) = 0.0 |
| .ic v(clk_1) = 0.0 |
| .ic v(n_clk_1) = 0.0 |
| .ic v(clk_pre) = 0.0 |
| .ic v(clk_5) = 0.0 |
| .ic v(clk_d) = 0.0 |
| .ic v(clk_2_f) = 0.0 |
| .ic v(s1n) = 0.0 |
| .ic v(s0n) = 0.0 |
| .ic v(x1.x4.q2) = 0.0 |
| .ic v(x1.x4.q1) = 0.0 |
| .ic v(x1.x4.q1_shift) = 0.0 |
| .ic v(x1.x4.q0) = 0.0 |
| .ic v(x1.x4.x1.a) = 0.0 |
| .ic v(x1.x4.x1.D_d) = 0.0 |
| .ic v(x1.x4.x1.nD_d) = 0.0 |
| |
| * Simulation |
| .control |
| save v(CLK) v(clk_2) v(S1) v(S0) v(MC) v(clk_0) v(clk_1) v(clk_pre) v(clk_5) v(clk_d) v(clk_2_f) |
| + v(f_div) |
| tran 0.01ns 800ns |
| write tb_freq_div_tran.raw |
| plot v(CLK) v(clk_2)+2 v(S1)+4 v(S0)+6 v(MC)+8 v(clk_0)+10 v(clk_1)+12 v(clk_pre)+14 v(clk_5)+16 |
| + v(clk_d)+18 v(clk_2_f)+20 v(f_div)+22 |
| .endc |
| |
| |
| |
| **** end user architecture code |
| **.ends |
| |
| * expanding symbol: freq_div.sym # of pins=19 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/freq_div.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/freq_div.sch |
| .subckt freq_div s_1_n s_0_n s_0 s_1 MC clk_0 clk_pre vss vdd clk_out_mux21 clk_d n_clk_0 out in_a |
| + clk_5 clk_2 in_b clk_1 n_clk_1 |
| *.ipin s_0 |
| *.iopin vdd |
| *.iopin vss |
| *.ipin in_a |
| *.ipin in_b |
| *.opin out |
| *.ipin MC |
| *.ipin s_1 |
| *.iopin clk_0 |
| *.iopin n_clk_0 |
| *.iopin clk_1 |
| *.iopin n_clk_1 |
| *.iopin clk_pre |
| *.iopin clk_5 |
| *.iopin clk_out_mux21 |
| *.iopin clk_d |
| *.iopin clk_2 |
| *.iopin s_0_n |
| *.iopin s_1_n |
| x2 vdd clk_pre clk_0 n_clk_0 vss MC net2 net1 net3 net4 prescaler_23 |
| x3 net14 vss clk_out_mux21 vdd clk_2 net5 net6 net7 net8 div_by_2 |
| x4 vdd clk_5 clk_1 vss n_clk_1 net9 net10 net12 net13 net11 div_by_5 |
| x9 vdd s_0_n s_0 vss inverter_min_x2 |
| x1 vdd vss in_a in_b n_clk_0 clk_0 s_0 n_clk_1 clk_1 s_0_n mux2to4 |
| x6 vdd vss clk_out_mux21 clk_pre s_0 clk_5 s_0_n mux2to1 |
| x5 vdd vss out clk_d s_1 clk_2 s_1_n mux2to1 |
| x7 vdd s_1_n s_1 vss inverter_min_x2 |
| x8 vdd net15 clk_out_mux21 vss inverter_min_x2 |
| x10 vdd clk_d net15 vss inverter_min_x4 |
| .ends |
| |
| |
| * expanding symbol: div_by_2.sym # of pins=9 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/div_by_2.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/div_by_2.sch |
| .subckt div_by_2 nCLK_2 vss CLK vdd CLK_2 out_div nout_div o1 o2 |
| *.ipin CLK |
| *.opin CLK_2 |
| *.iopin vss |
| *.iopin vdd |
| *.opin nCLK_2 |
| *.iopin nout_div |
| *.iopin o2 |
| *.iopin o1 |
| *.iopin out_div |
| x1 vdd out_div nout_div vss nout_div CLK_d nCLK_d DFlipFlop |
| x2 vdd CLK_d CLK nCLK_d vss clock_inverter |
| x3 vdd o1 out_div vss inverter_min_x2 |
| x4 vdd CLK_2 o1 vss inverter_min_x4 |
| x5 vdd o2 nout_div vss inverter_min_x2 |
| x6 vdd nCLK_2 o2 vss inverter_min_x4 |
| .ends |
| |
| |
| * expanding symbol: PFD.sym # of pins=7 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/PFD.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/PFD.sch |
| .subckt PFD vss vdd Up A B Down Reset |
| *.iopin vdd |
| *.iopin vss |
| *.ipin A |
| *.ipin B |
| *.opin Down |
| *.opin Up |
| *.iopin Reset |
| x1 vdd A Up Reset vss DFF |
| x2 vdd B Down Reset vss DFF |
| x3 vdd Reset Up Down vss and_pfd |
| .ends |
| |
| |
| * expanding symbol: prescaler_23.sym # of pins=10 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/prescaler_23.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/prescaler_23.sch |
| .subckt prescaler_23 vdd CLK_23 CLK nCLK vss MC Q1 nCLK_23 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: div_by_5.sym # of pins=10 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/div_by_5.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/div_by_5.sch |
| .subckt div_by_5 vdd CLK_5 CLK vss nCLK nQ2 Q1 nQ0 Q0 Q1_shift |
| *.iopin vdd |
| *.iopin vss |
| *.ipin CLK |
| *.opin CLK_5 |
| *.ipin nCLK |
| *.iopin nQ2 |
| *.iopin Q1 |
| *.iopin Q0 |
| *.iopin nQ0 |
| *.iopin Q1_shift |
| x8 Q1 Q0 vss vss vdd vdd D2 sky130_fd_sc_hs__and2_1 |
| x9 Q1 Q0 vss vss vdd vdd D1 sky130_fd_sc_hs__xor2_1 |
| x10 nQ2 nQ0 vss vss vdd vdd D0 sky130_fd_sc_hs__and2_1 |
| x12 Q1 Q1_shift vss vss vdd vdd CLK_5 sky130_fd_sc_hs__or2_1 |
| x1 vdd Q2 nQ2 vss D2 CLK nCLK DFlipFlop |
| x2 vdd Q1 nQ1 vss D1 CLK nCLK DFlipFlop |
| x3 vdd Q0 nQ0 vss D0 CLK nCLK DFlipFlop |
| x4 vdd Q1_shift nQ1_shift vss Q1 nCLK CLK DFlipFlop |
| .ends |
| |
| |
| * expanding symbol: inverter_min_x2.sym # of pins=4 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/inverter_min_x2.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/inverter_min_x2.sch |
| .subckt inverter_min_x2 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=0.84 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 out in vss vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.42 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: mux2to4.sym # of pins=10 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/mux2to4.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/mux2to4.sch |
| .subckt mux2to4 vdd vss in_a in_b out_b_0 out_a_0 selec_0 out_b_1 out_a_1 selec_0_neg |
| *.iopin in_a |
| *.iopin in_b |
| *.ipin selec_0_neg |
| *.ipin selec_0 |
| *.iopin out_b_0 |
| *.iopin out_b_1 |
| *.iopin out_a_0 |
| *.iopin out_a_1 |
| *.iopin vdd |
| *.iopin vss |
| x4 selec_0 out_a_1 in_a selec_0_neg vss vdd trans_gate_mux2to8 |
| x5 selec_0_neg out_a_0 in_a selec_0 vss vdd trans_gate_mux2to8 |
| x8 selec_0 out_b_1 in_b selec_0_neg vss vdd trans_gate_mux2to8 |
| x9 selec_0_neg out_b_0 in_b selec_0 vss vdd trans_gate_mux2to8 |
| .ends |
| |
| |
| * expanding symbol: mux2to1.sym # of pins=7 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/mux2to1.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/mux2to1.sch |
| .subckt mux2to1 vdd vss in_a out_a_0 selec_0 out_a_1 selec_0_neg |
| *.iopin in_a |
| *.ipin selec_0_neg |
| *.ipin selec_0 |
| *.iopin out_a_0 |
| *.iopin out_a_1 |
| *.iopin vdd |
| *.iopin vss |
| x4 selec_0 out_a_1 in_a selec_0_neg vss vdd trans_gate_mux2to8 |
| x5 selec_0_neg out_a_0 in_a selec_0 vss vdd trans_gate_mux2to8 |
| .ends |
| |
| |
| * expanding symbol: inverter_min_x4.sym # of pins=4 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/inverter_min_x4.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/inverter_min_x4.sch |
| .subckt inverter_min_x4 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=0.84 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=4 m=4 |
| XM1 out in vss vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.42 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=4 m=4 |
| .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: DFF.sym # of pins=5 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/DFF.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/DFF.sch |
| .subckt DFF D CLK Q Reset vss |
| *.ipin D |
| *.ipin CLK |
| *.opin Q |
| *.ipin Reset |
| *.iopin vss |
| x1 D CLK Q P vss nor |
| x2 D P P1 Q vss nor |
| x3 D P P2 P1 vss nor |
| x4 D P1 Reset P2 vss nor |
| .ends |
| |
| |
| * expanding symbol: and_pfd.sym # of pins=5 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/and_pfd.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/and_pfd.sch |
| .subckt and_pfd vdd out A B vss |
| *.iopin vdd |
| *.iopin vss |
| *.opin out |
| *.ipin A |
| *.ipin B |
| XM1 out_nand A net1 vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.45 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=1 m=1 |
| XM2 out_nand A vdd vdd sky130_fd_pr__pfet_01v8 L=0.15 W=0.9 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=1 m=1 |
| XM3 net1 B vss vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.45 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=1 m=1 |
| XM4 out_nand B net2 vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.45 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=1 m=1 |
| XM5 net2 A vss vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.45 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=1 m=1 |
| XM6 out_nand B vdd vdd sky130_fd_pr__pfet_01v8 L=0.15 W=0.9 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=1 m=1 |
| XM7 out out_nand vdd vdd sky130_fd_pr__pfet_01v8 L=0.15 W=0.9 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=1 m=1 |
| XM8 out out_nand vss vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.45 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=1 m=1 |
| .ends |
| |
| |
| * expanding symbol: trans_gate_mux2to8.sym # of pins=6 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/trans_gate_mux2to8.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/trans_gate_mux2to8.sch |
| .subckt trans_gate_mux2to8 en_pos out in en_neg vss vdd |
| *.iopin en_neg |
| *.ipin in |
| *.opin out |
| *.iopin en_pos |
| *.iopin vdd |
| *.iopin vss |
| XM2 out en_neg 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 en_pos 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: 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 |
| |
| |
| * expanding symbol: nor.sym # of pins=5 |
| * sym_path: /home/dhernando/caravel_analog_fulgor/xschem/nor.sym |
| * sch_path: /home/dhernando/caravel_analog_fulgor/xschem/nor.sch |
| .subckt nor vdd A B out vss |
| *.ipin A |
| *.ipin B |
| *.iopin vdd |
| *.opin out |
| *.iopin vss |
| XM1 out A vss vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.45 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=1 m=1 |
| XM2 out B vss vss sky130_fd_pr__nfet_01v8 L=0.15 W=0.45 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=1 m=1 |
| XM4 out B net1 vdd sky130_fd_pr__pfet_01v8 L=0.15 W=0.9 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=1 m=1 |
| XM3 net1 A vdd vdd sky130_fd_pr__pfet_01v8 L=0.15 W=0.9 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=1 m=1 |
| XM5 net2 B vdd vdd sky130_fd_pr__pfet_01v8 L=0.15 W=0.9 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=1 m=1 |
| XM6 out A net2 vdd sky130_fd_pr__pfet_01v8 L=0.15 W=0.9 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=1 m=1 |
| .ends |
| |
| .GLOBAL GND |
| **** begin user architecture code |
| .include ~/skywater/skywater-pdk/libraries/sky130_fd_sc_hs/latest/cells/and2/sky130_fd_sc_hs__and2_1.spice |
| .include ~/skywater/skywater-pdk/libraries/sky130_fd_sc_hs/latest/cells/or2/sky130_fd_sc_hs__or2_1.spice |
| .include ~/skywater/skywater-pdk/libraries/sky130_fd_sc_hs/latest/cells/mux2/sky130_fd_sc_hs__mux2_1.spice |
| .include ~/skywater/skywater-pdk/libraries/sky130_fd_sc_hs/latest/cells/xor2/sky130_fd_sc_hs__xor2_1.spice |
| |
| **** end user architecture code |
| ** flattened .save nodes |
| .end |
