| * scale: 1e6 units = 1 micron |
| |
| * This is a 1.8V version: make sure expected inputs in range |
| |
| .subckt comparator-diffamp VOP VON VOUT VGND VPWR |
| |
| *load transistors |
| X0 VPWR VONAMP VOPAMP VPWR sky130_fd_pr__pfet_01v8 w=3e+06u l=0.18e+6u |
| X1 VPWR VONAMP VONAMP VPWR sky130_fd_pr__pfet_01v8 w=3e+06u l=0.18e+6u |
| |
| *diff pair |
| X2 VOPAMP VOP ISINK VGND sky130_fd_pr__nfet_01v8 w=1e+06u l=0.18e+6u |
| X3 VONAMP VON ISINK VGND sky130_fd_pr__nfet_01v8 w=1e+06u l=0.18e+6u |
| |
| * current source |
| X4 ISINK VONAMP VGND VGND sky130_fd_pr__nfet_01v8 w=1e+06u l=0.18e+6u |
| |
| *output inverter |
| X5 VPWR VOPAMP VOUT VPWR sky130_fd_pr__pfet_01v8 w=2e+06u l=0.15e+6u |
| X6 VOUT VOPAMP VGND VGND sky130_fd_pr__nfet_01v8 w=1e+06u l=0.15e+6u |
| |
| |
| .ends |
