Version 4
SHEET 1 980 680
WIRE -336 -80 -464 -80
WIRE -208 -80 -336 -80
WIRE -464 -32 -464 -80
WIRE -464 96 -464 48
WIRE -208 160 -208 -80
WIRE -144 160 -208 160
WIRE 80 160 80 -48
WIRE 80 160 16 160
WIRE 144 160 80 160
WIRE 368 160 368 -48
WIRE 368 160 304 160
WIRE 432 160 368 160
WIRE 656 160 656 -48
WIRE 656 160 592 160
WIRE 720 160 656 160
WIRE 944 160 944 -48
WIRE 944 160 880 160
WIRE -352 208 -464 208
WIRE -288 208 -352 208
WIRE -144 208 -288 208
WIRE 144 208 112 208
WIRE 432 208 400 208
WIRE 720 208 688 208
WIRE -464 256 -464 208
WIRE -288 304 -288 208
WIRE 112 304 112 208
WIRE 112 304 -288 304
WIRE 400 304 400 208
WIRE 400 304 112 304
WIRE 688 304 688 208
WIRE 688 304 400 304
WIRE -464 384 -464 336
FLAG -464 96 0
FLAG -464 384 0
FLAG 944 -48 Q0
FLAG 656 -48 Q1
FLAG 368 -48 Q2
FLAG 80 -48 Q3
FLAG -352 208 clock
FLAG -336 -80 din
SYMBOL Digital\\dflop 224 112 R0
SYMATTR InstName A1
SYMATTR SpiceLine Td=10n Trise=5n  Vhigh=5
SYMBOL Digital\\dflop -64 112 R0
SYMATTR InstName A2
SYMATTR SpiceLine Td=10n Trise=5n  Vhigh=5
SYMBOL Digital\\dflop 512 112 R0
SYMATTR InstName A3
SYMATTR SpiceLine Td=10n Trise=5n  Vhigh=5
SYMBOL Digital\\dflop 800 112 R0
SYMATTR InstName A4
SYMATTR SpiceLine Td=10n Trise=5n  Vhigh=5
SYMBOL voltage -464 -48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 500n 0 505n 5)
SYMBOL voltage -464 240 R0
WINDOW 3 22 108 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 5 0 5n 5n 495n 1u)
TEXT -464 -176 Left 2 !.tran 5u
TEXT -104 -200 Left 2 ;Digital A-devices like AND, OR or DFLOP are in [Digital]\nRight mouse click on the DFLOP and enter in any free line:\nTd=10n Trise=5n  Vhigh=5