Version 4
SHEET 1 932 680
WIRE 512 -160 384 -160
WIRE -32 -96 -368 -96
WIRE 384 -96 384 -160
WIRE -368 -32 -368 -96
WIRE 512 0 512 -160
WIRE 384 32 384 -16
WIRE -32 48 -32 -96
WIRE 512 96 512 80
WIRE 736 96 512 96
WIRE -368 112 -368 48
WIRE 512 128 512 96
WIRE -32 176 -32 128
WIRE 112 176 -32 176
WIRE 256 176 224 176
WIRE 448 176 336 176
WIRE -32 224 -32 176
WIRE -32 336 -32 288
WIRE 512 336 512 224
FLAG -368 112 0
FLAG 384 32 0
FLAG 512 336 0
FLAG -32 336 0
SYMBOL voltage -368 -48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 3.3 0 0.2 0.2 0.6)
SYMBOL voltage 384 -112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 3.3V
SYMBOL res 352 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL cap -48 224 R0
SYMATTR InstName C1
SYMATTR Value 10µF
SYMBOL res -48 32 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL npn 448 128 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL res 496 -16 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL Dig_Add\\74HC\\74hc14 160 128 R0
SYMATTR InstName U1
SYMATTR SpiceLine VCC=3.3  SPEED=1.0  TRIPDT=1e-9
TEXT -32 504 Left 2 !.tran 0 2 0 startup
TEXT -32 544 Left 2 !.INCLUDE 74HC.LIB
TEXT 712 136 Left 2 ;Zum Eingang µC