| * input signals |
| Vclk clk 0 PULSE(0 3 1e-9 1e-9 1e-9 20e-6 40e-6) |
| |
| .param ABSVAR=0.02 |
| .param vd=0 |
| |
| ** variation marameters: |
| .param sky130_fd_pr__nfet_01v8_lvt__vth0_slope_spectre='agauss(0, ABSVAR, 3)/sky130_fd_pr__nfet_01v8_lvt__vth0_slope' |
| .param sky130_fd_pr__pfet_01v8_lvt__vth0_slope_spectre='agauss(0, ABSVAR, 3)/sky130_fd_pr__pfet_01v8_lvt__vth0_slope' |
| |
| Vp vp 0 {0.5 + vd} |
| Vn vn 0 {0.5 - vd} |
| |
| * .tran 100e-9 100e-6 uic |
| .options method trap |
| .options gmin 1e-12 |
| .options vntol 1e-6 |
| |
| .control |
| tran 100e-9 100e-6 uic |
| run |
| .endc |
| .end |
| |
| * .control |
| * let run=1 |
| * dowhile run <= 20 |
| * if run > 1 |
| * reset |
| * set appendwrite |
| * end |
| * save all |
| * tran 0.1n 300n uic |
| * write comparator_tb.raw |
| * let run = run + 1 |
| * end |
| * .endc |
