| Bryce-Readyhough | 125ff3b | 2020-12-07 09:55:39 -0800 | [diff] [blame] | 1 | * NGSPICE file created from diff-amp.ext - technology: sky130A |
| 2 | |
| 3 | * Include SkyWater sky130 device models |
| 4 | .include "/home/mhasan13/pdk/skywater-pdk/libraries/sky130_fd_pr/latest/models/r+c/res_typical__cap_typical__lin.spice" |
| 5 | .include "/home/mhasan13/pdk/skywater-pdk/libraries/sky130_fd_pr/latest/models/r+c/res_typical__cap_typical.spice" |
| 6 | .include "/home/mhasan13/pdk/skywater-pdk/libraries/sky130_fd_pr/latest/models/corners/tt.spice" |
| 7 | |
| 8 | * Vdd vdd gnd DC 0.7 |
| 9 | * Vgnd vss gnd DC 0.0 |
| 10 | * Ibias vdd i_bias DC 1n |
| 11 | * Vref in_2 vout DC 0.0 |
| 12 | * Vin in_1 gnd DC 0.2 |
| 13 | |
| 14 | Vdd vdd gnd DC 0.7 |
| 15 | Vgnd vss gnd DC 0.0 |
| 16 | Ibias vdd i_bias DC 1n |
| 17 | Vshort in_2 vout DC 0.0 |
| 18 | Vin in_1 gnd DC PULSE(0 0.7 100p 1u 1u 10u 20u) |
| 19 | |
| 20 | .subckt sky130_fd_pr__pfet_01v8_hymyl3 VSUBS a_n50_n112# a_50_n86# w_n144_n148# a_n108_n86# |
| 21 | X0 a_50_n86# a_n50_n112# a_n108_n86# w_n144_n148# sky130_fd_pr__pfet_01v8 w=500000u l=500000u |
| 22 | .ends |
| 23 | |
| 24 | .subckt sky130_fd_pr__nfet_01v8_2qpbu2 VSUBS a_n108_n131# a_n50_n157# a_50_n131# |
| 25 | X0 a_50_n131# a_n50_n157# a_n108_n131# VSUBS sky130_fd_pr__nfet_01v8 w=1e+06u l=500000u |
| 26 | .ends |
| 27 | |
| 28 | .subckt sky130_fd_pr__nfet_01v8_hhwku0 VSUBS a_n50_n107# a_50_n81# a_n108_n81# |
| 29 | X0 a_50_n81# a_n50_n107# a_n108_n81# VSUBS sky130_fd_pr__nfet_01v8 w=500000u l=500000u |
| 30 | .ends |
| 31 | |
| 32 | .subckt diff-amp in_1 in_2 i_bias vdd vss vout |
| 33 | Xsky130_fd_pr__pfet_01v8_hymyl3_0 vss li_92_184# li_92_184# vdd vdd sky130_fd_pr__pfet_01v8_hymyl3 |
| 34 | Xsky130_fd_pr__pfet_01v8_hymyl3_1 vss li_92_184# vdd vdd vout sky130_fd_pr__pfet_01v8_hymyl3 |
| 35 | Xsky130_fd_pr__nfet_01v8_2qpbu2_0 vss vss i_bias li_176_12# sky130_fd_pr__nfet_01v8_2qpbu2 |
| 36 | Xsky130_fd_pr__nfet_01v8_2qpbu2_1 vss i_bias i_bias vss sky130_fd_pr__nfet_01v8_2qpbu2 |
| 37 | Xsky130_fd_pr__nfet_01v8_hhwku0_0 vss in_1 li_92_184# li_176_12# sky130_fd_pr__nfet_01v8_hhwku0 |
| 38 | Xsky130_fd_pr__nfet_01v8_hhwku0_1 vss in_2 li_176_12# vout sky130_fd_pr__nfet_01v8_hhwku0 |
| 39 | .ends |
| 40 | |
| 41 | |
| 42 | |
| 43 | *instantiate |
| 44 | Xdiff in_1 in_2 i_bias vdd vss vout diff-amp |
| 45 | |
| 46 | .control |
| 47 | * dc Vin 0 0.7 0.01 |
| 48 | * plot v(in_2) v(in_1) v(vout) |
| 49 | |
| 50 | tran 100n 50u |
| 51 | plot v(in_1) v(vout) |
| 52 | .endc |
| 53 | .end |
