.SUBCKT NAND IN1 IN2 OUT Vcc GND .model nMOSe nmos (vto=1) .model pMOSe pmos (vto=-1) MQ7 OUT IN1 2 2 nMOSe MQ8 2 IN2 GND GND nMOSe MQ6 OUT IN2 Vcc Vcc pMOSe MQ5 OUT IN1 Vcc Vcc pMOSe .ENDS NAND