| * NGSPICE file created from pmos-diff-amp.ext - technology: sky130A |
| |
| * Include SkyWater sky130 device models |
| .include "/home/mhasan13/pdk/skywater-pdk/libraries/sky130_fd_pr/latest/models/r+c/res_typical__cap_typical__lin.spice" |
| .include "/home/mhasan13/pdk/skywater-pdk/libraries/sky130_fd_pr/latest/models/r+c/res_typical__cap_typical.spice" |
| .include "/home/mhasan13/pdk/skywater-pdk/libraries/sky130_fd_pr/latest/models/corners/tt.spice" |
| |
| * Vdd vdd gnd DC 0.7 |
| * Vgnd vss gnd DC 0.0 |
| * Ibias i_bias vss DC 1n |
| * Vref in_2 gnd DC 0.3 |
| * Vin in_1 gnd DC 0.2 |
| |
| Vdd vdd gnd DC 1.4 |
| Vgnd vss gnd DC 0 |
| Ibias i_bias vss DC 1n |
| Vshort in_2 out DC 0.0 |
| Vin in_1 gnd DC PULSE(0 0.7 100p 0.5u 0.5u 5u 10u) |
| |
| .subckt sky130_fd_pr__nfet_01v8_r0atdz VSUBS a_n40_n107# a_n98_n81# a_40_n81# |
| X0 a_40_n81# a_n40_n107# a_n98_n81# VSUBS sky130_fd_pr__nfet_01v8 w=500000u l=400000u |
| .ends |
| |
| .subckt sky130_fd_pr__pfet_01v8_4pknhj VSUBS a_n98_n86# w_n134_n148# a_40_n86# a_n40_n112# |
| X0 a_40_n86# a_n40_n112# a_n98_n86# w_n134_n148# sky130_fd_pr__pfet_01v8 w=500000u l=400000u |
| .ends |
| |
| .subckt sky130_fd_pr__pfet_01v8_4ujh9u VSUBS w_n144_n198# a_n50_n162# a_n108_n136# |
| + a_50_n136# |
| X0 a_50_n136# a_n50_n162# a_n108_n136# w_n144_n198# sky130_fd_pr__pfet_01v8 w=1e+06u l=500000u |
| .ends |
| |
| .subckt pmos-diff-amp in_1 in_2 out i_bias vdd vss |
| Xsky130_fd_pr__nfet_01v8_r0atdz_0 vss m1_91_n137# m1_91_n137# vss sky130_fd_pr__nfet_01v8_r0atdz |
| Xsky130_fd_pr__nfet_01v8_r0atdz_1 vss m1_91_n137# vss out sky130_fd_pr__nfet_01v8_r0atdz |
| Xsky130_fd_pr__pfet_01v8_4pknhj_0 vss m1_91_n137# vdd li_184_186# in_1 sky130_fd_pr__pfet_01v8_4pknhj |
| Xsky130_fd_pr__pfet_01v8_4ujh9u_0 vss vdd i_bias li_184_186# vdd sky130_fd_pr__pfet_01v8_4ujh9u |
| Xsky130_fd_pr__pfet_01v8_4pknhj_1 vss li_184_186# vdd out in_2 sky130_fd_pr__pfet_01v8_4pknhj |
| Xsky130_fd_pr__pfet_01v8_4ujh9u_1 vss vdd i_bias vdd i_bias sky130_fd_pr__pfet_01v8_4ujh9u |
| .ends |
| |
| *instantiate |
| Xdiff in_1 in_2 out i_bias vdd vss pmos-diff-amp |
| |
| .control |
| * dc Vin 0 0.7 0.01 |
| * plot v(in_2) v(in_1) v(out) |
| |
| tran 100n 30u |
| plot v(in_1) v(out) |
| .endc |
| .end |
| |
| |