| * scale: 1e6 units = 1 micron |
| |
| .subckt comparator-preamp VP VN VPAMP VNAMP VI BIASN VGND VPWR |
| |
| *constant current source: paralleled to allow for size matching |
| * X0 VI BIASN VGND VGND sky130_fd_pr__nfet_03v3_nvt w=1e+6u l=0.6e+6u |
| * X1 VI BIASN VGND VGND sky130_fd_pr__nfet_03v3_nvt w=1e+6u l=0.6e+6u |
| * |
| * *Diff Pair |
| * X12 VPAMP VP VI VGND sky130_fd_pr__nfet_03v3_nvt w=1e+6u l=0.6e+6u |
| * X13 VNAMP VN VI VGND sky130_fd_pr__nfet_03v3_nvt w=1e+6u l=0.6e+6u |
| * |
| * *Load transistors |
| * X24 VPWR VPAMP VPAMP VPWR sky130_fd_pr__pfet_g5v0d10v5 w=1.5e+6u l=0.5e+6u |
| * X25 VPWR VNAMP VNAMP VPWR sky130_fd_pr__pfet_g5v0d10v5 w=1.5e+6u l=0.5e+6u |
| |
| * extracted |
| *.option scale=1u |
| |
| * Load |
| X2 VPAMP VPAMP VPWR VPWR sky130_fd_pr__pfet_g5v0d10v5 ad=0 pd=0 as=-0 ps=0 w=1.5e+06u l=500000u |
| X3 VNAMP VNAMP VPWR VPWR sky130_fd_pr__pfet_g5v0d10v5 ad=0 pd=0 as=-0 ps=0 w=1.5e+06u l=500000u |
| |
| * Current Sink |
| X4 VGND BIASN VI VGND sky130_fd_pr__nfet_03v3_nvt ad=0 pd=0 as=-0 ps=0 w=1e+06u l=600000u |
| X6 VI BIASN VGND VGND sky130_fd_pr__nfet_03v3_nvt ad=-0 pd=0 as=0 ps=0 w=1e+06u l=600000u |
| |
| * Diff pair |
| X12 VI VN VNAMP VGND sky130_fd_pr__nfet_03v3_nvt ad=-0 pd=0 as=-0 ps=0 w=1e+06u l=600000u |
| X13 VI VP VPAMP VGND sky130_fd_pr__nfet_03v3_nvt ad=-0 pd=0 as=-0 ps=0 w=1e+06u l=600000u |
| C0 VPWR VGND 8.16fF |
| |
| |
| .ends |