Version 4
SHEET 1 1456 680
WIRE 240 -80 -64 -80
WIRE 1072 -80 768 -80
WIRE -64 -48 -64 -80
WIRE 768 -48 768 -80
WIRE 240 -16 240 -80
WIRE 1072 -16 1072 -80
WIRE 192 0 144 0
WIRE 1024 0 976 0
WIRE -64 80 -64 32
WIRE 768 80 768 32
WIRE 240 96 240 80
WIRE 368 96 240 96
WIRE 560 96 448 96
WIRE 1072 96 1072 80
WIRE 1200 96 1072 96
WIRE 1392 96 1280 96
WIRE 240 128 240 96
WIRE 1072 128 1072 96
WIRE 0 144 -64 144
WIRE 144 144 144 0
WIRE 144 144 80 144
WIRE 976 144 976 0
WIRE 976 144 768 144
WIRE 560 176 560 96
WIRE 1392 176 1392 96
WIRE -64 192 -64 144
WIRE 768 192 768 144
WIRE 144 208 144 144
WIRE 192 208 144 208
WIRE 976 208 976 144
WIRE 1024 208 976 208
WIRE -64 320 -64 272
WIRE 240 320 240 224
WIRE 560 320 560 240
WIRE 768 320 768 272
WIRE 1072 320 1072 224
WIRE 1392 320 1392 240
FLAG 240 320 0
FLAG -64 320 0
FLAG -64 80 0
FLAG 560 320 0
FLAG 1072 320 0
FLAG 768 320 0
FLAG 768 80 0
FLAG 1392 320 0
SYMBOL nmos 192 128 R0
SYMATTR InstName M1
SYMATTR Value BSS145
SYMBOL pmos 192 80 M180
SYMATTR InstName M2
SYMATTR Value BSS84
SYMBOL voltage -64 -64 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -64 176 R0
WINDOW 3 -19 185 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 5 0 10n 10n 500u 1m)
SYMBOL res 352 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 330
SYMBOL LED 544 176 R0
SYMATTR InstName D1
SYMATTR Value LED
SYMBOL nmos 1024 128 R0
SYMATTR InstName M3
SYMATTR Value NMOS1
SYMBOL pmos 1024 80 M180
SYMATTR InstName M4
SYMATTR Value PMOS1
SYMBOL voltage 768 -64 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL voltage 768 176 R0
WINDOW 3 -19 185 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 5 0 10n 10n 500u 1m)
SYMBOL res 1184 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 330
SYMBOL LED 1376 176 R0
SYMATTR InstName D2
SYMATTR Value LED
SYMBOL res -16 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 50
TEXT -88 408 Left 2 !.model LED D(Is=1e-22 N=1.5 RS=5 Cjo=10p)
TEXT -98 428 Left 2 !.tran 2m
TEXT 752 424 Left 2 !.model NMOS1 NMOS(Vto=2.5 Kp=0.1)
TEXT 752 456 Left 2 !.model PMOS1 PMOS(Vto=-2.5 Kp=0.1)