Version 4
SHEET 1 880 680
WIRE -112 0 -256 0
WIRE 192 0 -112 0
WIRE 368 16 304 16
WIRE 192 32 -32 32
WIRE 368 48 368 16
WIRE 432 48 368 48
WIRE -256 64 -256 0
WIRE 560 64 544 64
WIRE 592 64 560 64
WIRE 432 80 368 80
WIRE -32 112 -32 32
WIRE -32 144 -32 112
WIRE 64 144 -32 144
WIRE 192 144 176 144
WIRE 368 160 368 80
WIRE 368 160 304 160
WIRE -32 176 -32 144
WIRE 192 176 128 176
WIRE 128 224 128 176
WIRE 128 240 128 224
FLAG -32 256 0
FLAG 128 320 0
FLAG -256 144 0
FLAG -112 0 My_friend
FLAG 128 224 ON-OFF
FLAG -32 112 Dont_Care
FLAG 560 64 F
SYMBOL 74hct32 480 0 R0
SYMATTR InstName U1
SYMBOL 74hct08 240 96 R0
WINDOW 3 9 104 Left 2
SYMATTR InstName U2
SYMBOL 74hct08 240 -48 R0
WINDOW 3 3 97 Left 2
SYMATTR InstName U3
SYMBOL voltage -256 48 R0
WINDOW 3 -155 134 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(5 0 0 1p 1p 1u 2u)
SYMBOL voltage -32 160 R0
WINDOW 0 -79 64 Left 2
WINDOW 3 -240 131 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName ME_2
SYMATTR Value PULSE(5 0 0 1p 1p 4u 8u)
SYMBOL voltage 128 224 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName ME
SYMATTR Value PULSE(0 5 0 1p 1p 2u 4u)
SYMBOL 74hct04 112 80 R0
WINDOW 3 -46 6 Left 2
SYMATTR InstName U4
TEXT -412 344 Left 2 !.tran 8u
TEXT 480 -96 Left 2 !.include 74hct.lib