|  | * Simple testbench mainly to check SPICE model conversion from CDL | 
|  | * Plots the transient response of the smallest inverter in the HD standard cell library | 
|  |  | 
|  | .lib "/home/tim/projects/efabless/tech/SW/sky130A/libs.tech/ngspice/sky130.lib.spice" tt | 
|  | .include "/home/tim/projects/efabless/tech/SW/sky130A/libs.ref/sky130_fd_sc_hd/spice/sky130_fd_sc_hd.spice" | 
|  |  | 
|  | * .option TEMP=27 | 
|  |  | 
|  | X0 in vss vss vdd vdd out sky130_fd_sc_hd__inv_1 | 
|  |  | 
|  | V0 vdd vss PWL(0n 0.0 30n 1.8) | 
|  | V1 vss 0 0.0 | 
|  |  | 
|  | Vin in vss PWL(0n 0.0 100n 0.0 500n 1.8) | 
|  |  | 
|  | * Transient analysis | 
|  | .control | 
|  | tran 1n 1u | 
|  | plot V(in) V(out) | 
|  | .endc | 
|  | .end |