SRAM Cell Hold SNM | |
* Static Noise Margin | |
.lib "./libs/models/sky130.lib.spice" tt | |
*** Inverter 1 | |
XM1 qbar1 q1 gnd gnd sky130_fd_pr__nfet_01v8 w=0.42 l=0.21 | |
XM2 qbar1 q1 vdd vdd sky130_fd_pr__pfet_01v8 w=0.84 l=0.21 | |
*** Inverter 2 | |
XM3 q2 qbar2 gnd gnd sky130_fd_pr__nfet_01v8 w=0.42 l=0.21 | |
XM4 q2 qbar2 vdd vdd sky130_fd_pr__pfet_01v8 w=0.84 l=0.21 | |
V1 vdd gnd dc 1.8V | |
V2 q1 gnd dc 1.8V | |
V3 qbar2 gnd dc 1.8V | |
.dc V2 0 1.8 0.01 V3 0 1.8 0.01 | |
.control | |
run | |
plot V(qbar1) vs V(q1) V(qbar2) vs V(q2) | |
.endc | |
.end | |