* Extracted by KLayout .SUBCKT TOP VSSTOP A Q X$1 \$8 \$2 \$1 \$1 Q VSSTOP INV2 X$2 A \$3 VSSTOP \$3 \$2 \$8 INVCHAIN .ENDS TOP .SUBCKT INVCHAIN IN IN2 VSS|VSS2|VSS2B OUT OUT2 VDD X$1 VDD IN2 \$1 \$1 OUT2 VSS|VSS2|VSS2B INV2 X$2 VDD IN \$2 \$2 OUT VSS|VSS2|VSS2B INV2 .ENDS INVCHAIN .SUBCKT INV2 VDD A1 A2 Q1 Q2 VSS X$1 VSS VDD A2 Q2 INV X$2 VSS VDD A1 Q1 INV .ENDS INV2 .SUBCKT INV \$1 \$2 \$3 \$4 M$1 \$2 \$3 \$4 \$4 PMOS L=0.25U W=0.95U AS=0.73625P AD=0.73625P PS=3.45U + PD=3.45U M$2 \$1 \$3 \$4 \$4 NMOS L=0.25U W=0.95U AS=0.73625P AD=0.73625P PS=3.45U + PD=3.45U .ENDS INV