Version 4
SHEET 1 1272 1028
WIRE 224 128 288 128
WIRE 288 128 288 144
WIRE 256 416 224 416
WIRE 224 416 224 128
WIRE 256 384 256 304
WIRE 256 304 352 304
WIRE 400 304 352 304
WIRE 256 640 256 560
WIRE 256 560 352 560
WIRE 400 560 352 560
WIRE 448 448 496 448
WIRE 496 480 480 480
WIRE 480 480 480 704
WIRE 480 704 448 704
WIRE 352 528 512 528
WIRE 512 528 512 608
WIRE 512 784 352 784
WIRE 608 464 608 496
WIRE 608 608 512 608
WIRE 512 608 512 784
WIRE 448 384 752 384
WIRE 768 704 672 704
WIRE 672 416 768 416
WIRE 208 704 208 672
WIRE 672 560 672 704
WIRE 672 704 480 704
WIRE 672 496 672 416
WIRE 768 672 752 672
WIRE 752 672 752 576
WIRE 752 512 752 384
WIRE 752 384 768 384
WIRE 736 176 736 160
WIRE 736 160 720 160
WIRE 1120 512 1072 512
WIRE 928 432 928 416
WIRE 928 416 944 416
WIRE 912 368 912 320
WIRE 912 320 1040 320
WIRE 1040 320 1040 352
WIRE 1040 320 1120 320
WIRE 928 720 928 704
WIRE 928 704 944 704
WIRE 1040 592 1040 640
WIRE 1072 368 1072 496
WIRE 1072 512 1072 656
WIRE 1072 496 1072 512
WIRE 208 672 256 672
WIRE 1120 416 1120 320
WIRE 896 320 912 320
WIRE 1040 592 1024 592
WIRE 1120 624 1120 608
WIRE 1120 528 1120 512
WIRE 1120 512 1120 496
WIRE 912 368 944 368
WIRE 880 400 896 400
WIRE 880 688 896 688
WIRE 928 656 944 656
WIRE 896 688 944 688
WIRE 896 400 944 400
WIRE 1040 368 1072 368
WIRE 1040 656 1072 656
WIRE 928 704 928 656
FLAG 288 224 0
FLAG 224 128 fin
FLAG 400 304 Vdd
FLAG 400 560 Vdd
FLAG 208 784 0
FLAG 736 256 0
FLAG 720 160 Vdd
FLAG 1120 624 0
FLAG 928 432 0
FLAG 896 320 Vdd
FLAG 896 400 a
FLAG 896 688 b
FLAG 1072 496 c
FLAG 928 720 0
FLAG 1024 592 Vdd
SYMBOL voltage 288 128 R0
WINDOW 3 -28 131 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 5 50n 10n 10n 40n 100n)
SYMATTR InstName V1
SYMBOL sym_new\\74hc74 352 304 R0
SYMATTR InstName U1
SYMBOL sym_new\\74hc74 352 560 R0
SYMATTR InstName U2
SYMBOL sym_new\\74hc02 544 400 R0
SYMATTR InstName U3
SYMBOL sym_new\\74hc04 544 544 M90
WINDOW 0 15 49 VLeft 0
WINDOW 3 83 103 VLeft 0
SYMATTR InstName U4
SYMBOL sym_new\\74hc02 816 624 R0
SYMATTR InstName U6
SYMBOL voltage 208 688 R0
WINDOW 3 -28 131 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 5 45.5n 10n 10n 40n 101n)
SYMATTR InstName V2
SYMBOL Digital\\buf1 736 560 M270
WINDOW 0 23 47 VLeft 0
WINDOW 3 -217 140 VLeft 0
SYMATTR InstName A1
SYMATTR Value Vhigh=5 Ref=2.5 Td=3n
SYMBOL Digital\\buf1 816 512 R90
WINDOW 0 23 17 VRight 0
WINDOW 3 298 221 VLeft 0
SYMATTR InstName A2
SYMATTR Value Vhigh=5 Ref=2.5 Td=3n
SYMBOL sym_new\\74hc08 816 336 R0
SYMATTR InstName U5
SYMBOL voltage 736 160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL res 1104 512 R0
SYMATTR InstName R2
SYMATTR Value 6.8k
SYMBOL res 1104 400 R0
SYMATTR InstName R1
SYMATTR Value 6.8k
SYMBOL sym_new\\xhc4066 992 320 R0
SYMATTR InstName U7
SYMBOL sym_new\\xhc4066 992 608 R0
SYMATTR InstName U8
TEXT 176 912 Left 0 !.lib ./doclib/74hc.lib\n.include ./doclib/xhc4066.sub\n.params tstep=0.1n\n.tran 0 1u 0u {tstep}
TEXT 176 848 Left 0 ;PULSE(0 5 53.5n 10n 10n 40n 99n)\nPULSE(0 5 45.5n 10n 10n 40n 101n)