Version 4
SHEET 1 880 680
WIRE 80 -48 -240 -48
WIRE -240 -16 -240 -48
WIRE 80 0 80 -48
WIRE 32 16 0 16
WIRE -240 96 -240 64
WIRE -112 144 -240 144
WIRE 0 144 0 16
WIRE 0 144 -112 144
WIRE 80 144 80 96
WIRE 128 144 80 144
WIRE 208 144 128 144
WIRE 352 144 288 144
WIRE 80 176 80 144
WIRE -240 192 -240 144
WIRE 352 192 352 144
WIRE 0 256 0 144
WIRE 32 256 0 256
WIRE -240 304 -240 272
WIRE 80 304 80 272
WIRE 352 304 352 256
FLAG -240 96 0
FLAG -240 304 0
FLAG 80 304 0
FLAG -112 144 in
FLAG 128 144 out
FLAG 352 304 0
FLAG 352 144 LED
SYMBOL nmos 32 176 R0
SYMATTR InstName M1
SYMATTR Value NMOS1
SYMBOL pmos 32 96 M180
SYMATTR InstName M2
SYMATTR Value PMOS1
SYMBOL voltage -240 176 R0
WINDOW 3 -52 165 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 0 10n 10n 500u 1m)
SYMBOL voltage -240 -32 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL Misc\\EuropeanResistor 192 160 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 330
SYMBOL LED 336 192 R0
SYMATTR InstName D1
SYMATTR Value LED
TEXT -296 456 Left 2 !.model  LED D(Is=1e-21 N=1.5 RS=10)
TEXT -296 400 Left 2 !.tran 1m
TEXT -296 488 Left 2 !.model PMOS1 PMOS(Vto=-2 KP=10m)
TEXT -296 520 Left 2 !.model NMOS1 NMOS(VTO=2 KP=10m)