Version 4 SHEET 1 2160 1480 WIRE -32 112 32 112 WIRE 32 112 32 128 WIRE -32 400 -32 112 WIRE 0 368 0 288 WIRE 0 288 96 288 WIRE 144 288 96 288 WIRE 0 624 0 544 WIRE 0 544 96 544 WIRE 144 544 96 544 WIRE 192 432 240 432 WIRE 240 464 224 464 WIRE 224 464 224 688 WIRE 224 688 192 688 WIRE 96 512 256 512 WIRE 256 512 256 592 WIRE 256 768 96 768 WIRE 384 592 256 592 WIRE 256 592 256 768 WIRE 192 368 528 368 WIRE 544 688 448 688 WIRE 448 400 544 400 WIRE 448 544 448 688 WIRE 448 688 224 688 WIRE 448 480 448 400 WIRE 544 656 528 656 WIRE 528 656 528 560 WIRE 528 496 528 368 WIRE 528 368 544 368 WIRE 1200 112 1200 96 WIRE 1200 96 1184 96 WIRE -32 656 0 656 WIRE 720 352 736 352 WIRE 656 384 672 384 WIRE 672 384 688 384 WIRE 688 672 672 672 WIRE 672 672 656 672 WIRE 736 352 736 368 WIRE 1120 800 1120 784 WIRE 1120 704 1120 688 WIRE 1200 640 1216 640 WIRE 1200 640 1200 576 WIRE 1200 576 1120 576 WIRE 1280 704 1280 688 WIRE 1280 800 1280 784 WIRE 1216 544 1216 528 WIRE 1216 464 1216 448 WIRE 1216 448 1280 448 WIRE 1216 352 1216 448 WIRE 1296 352 1328 352 WIRE 1392 352 1408 352 WIRE 1408 352 1408 448 WIRE 1408 448 1392 448 WIRE 1408 448 1440 448 WIRE 1280 592 1280 448 WIRE 1120 448 1120 576 WIRE 1120 576 1120 592 WIRE 1024 496 1024 448 WIRE 1040 448 1024 448 WIRE 1008 336 1024 336 WIRE 1024 336 1024 352 WIRE 864 624 864 608 WIRE 832 512 864 512 WIRE -32 400 0 400 WIRE 976 416 928 416 WIRE 864 720 864 688 WIRE 1200 640 1184 640 WIRE 1120 448 1120 432 WIRE 1024 336 1120 336 WIRE 1120 336 1120 352 WIRE 384 592 384 576 WIRE 368 464 368 448 WIRE 368 448 352 448 WIRE 448 96 448 128 WIRE 400 464 400 96 WIRE 400 96 448 96 WIRE 928 96 928 80 WIRE 928 80 736 80 WIRE 864 528 864 512 WIRE 864 512 864 496 WIRE 448 96 688 96 WIRE 736 256 736 272 WIRE 736 272 752 272 WIRE 736 176 736 160 WIRE 736 656 736 512 WIRE 736 512 752 512 WIRE 736 512 736 448 WIRE 1216 448 1200 448 WIRE 1344 112 1344 96 WIRE 1344 96 1328 96 WIRE 864 624 848 624 FLAG 32 208 0 FLAG -32 112 fin FLAG 144 288 Vdd FLAG 144 544 Vdd FLAG 1200 192 0 FLAG 1184 96 Vdd FLAG 720 352 Vdd FLAG 672 384 a FLAG 672 672 b FLAG 688 432 0 FLAG 688 720 0 FLAG 736 736 0 FLAG 1120 800 0 FLAG 1280 800 0 FLAG 1216 544 0 FLAG 1552 448 fo FLAG 1024 576 0 FLAG -32 656 fo FLAG 1008 336 +10 FLAG 864 496 cv FLAG 864 720 0 FLAG 928 416 cv FLAG 448 208 0 FLAG 928 176 0 FLAG 688 144 0 FLAG 1200 448 i FLAG 1344 192 0 FLAG 1328 96 +10 FLAG 848 624 cvc FLAG 752 272 cvc SYMBOL voltage 32 112 R0 WINDOW 3 -28 131 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 0 10n 10n 40n 100n) SYMATTR InstName V2 SYMBOL sym_new\\74hc74 96 288 R0 SYMATTR InstName U1 SYMBOL sym_new\\74hc74 96 544 R0 SYMATTR InstName U2 SYMBOL sym_new\\74hc02 288 384 R0 SYMATTR InstName U3 SYMBOL sym_new\\74hc02 592 608 R0 SYMATTR InstName U5 SYMBOL Digital\\buf1 512 544 M270 WINDOW 0 23 47 VLeft 0 WINDOW 3 -217 140 VLeft 0 SYMATTR InstName A1 SYMATTR Value Vhigh=5 Ref=2.5 Td=5n SYMBOL Digital\\buf1 592 496 R90 WINDOW 0 23 17 VRight 0 WINDOW 3 298 221 VLeft 0 SYMATTR InstName A2 SYMATTR Value Vhigh=5 Ref=2.5 Td=5n SYMBOL sym_new\\74hc08 592 320 R0 SYMATTR InstName U6 SYMBOL voltage 1200 96 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL sw 736 464 M180 SYMATTR InstName S1 SYMATTR Value bSW SYMBOL sw 736 752 M180 SYMATTR InstName S2 SYMATTR Value bSW SYMBOL npn 1216 592 R0 SYMATTR InstName Q1 SYMATTR Value c1815 SYMBOL res 1104 688 R0 SYMATTR InstName R1 SYMATTR Value 47 SYMBOL npn 1184 592 M0 SYMATTR InstName Q2 SYMATTR Value c1815 SYMBOL res 1264 688 R0 SYMATTR InstName R2 SYMATTR Value 47 SYMBOL diode 1392 368 M270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL res 1312 336 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 100 SYMBOL cap 1200 464 R0 SYMATTR InstName C1 SYMATTR Value 47p SYMBOL sym_new\\74hc14 1328 400 R0 SYMATTR InstName U7 SYMBOL res 1136 432 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 8.6k SYMBOL njf 976 352 R0 WINDOW 0 29 47 Left 0 WINDOW 3 -44 111 Left 0 SYMATTR InstName J1 SYMATTR Value k30atm SYMBOL sym_new\\74hc14 1488 400 R0 SYMATTR InstName U8 SYMBOL res 1008 480 R0 SYMATTR InstName R5 SYMATTR Value 10k SYMBOL res 848 496 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL cap 848 624 R0 SYMATTR InstName C2 SYMATTR Value 680p SYMBOL res 848 512 R0 SYMATTR InstName R7 SYMATTR Value 680 SYMBOL res 1104 336 R0 SYMATTR InstName R8 SYMATTR Value 47k SYMBOL sym_new\\74hc02 448 512 R90 WINDOW 0 16 120 VLeft 0 WINDOW 3 52 157 VLeft 0 SYMATTR InstName U4 SYMBOL voltage 448 112 R0 WINDOW 3 -28 131 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 0 10n 10n 1u) SYMATTR InstName V3 SYMBOL voltage 928 80 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value 2.6 SYMBOL sw 736 176 M180 WINDOW 3 -23 124 Left 0 SYMATTR Value cSW SYMATTR InstName S3 SYMBOL res 720 160 R0 SYMATTR InstName R9 SYMATTR Value 300 SYMBOL voltage 1344 96 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V5 SYMATTR Value 10 TEXT -32 848 Left 0 !.lib ./doclib/74hc.lib\n.model k30atm NJF(beta=.768m vto=-2.70 cgd=2.6p cgs=8.2p) ; CQpub 1988/7\n.model c1815 NPN(Is=2.04f Xti=3 Eg=1.11 Vaf=6 Bf=400 Ne=1.5 Ise=0\n+ Ikf=20m Xtb=1.5 Br=3.377 Nc=2 Isc=0 Ikr=0 Rc=1 Cjc=2p Mjc=.3333\n+ Vjc=.75 Fc=.5 Cje=5p Mje=.3333 Vje=.75 Tr=10n Tf=311.1p Itf=0 Vtf=0 Xtf=0)\n* TOSHIBA 90-01-29\n*\n.model bSW SW(Ron=300 Roff=1e7 Vt=2.5 Vh=-2.4)\n.model cSW SW(Ron=100 Roff=1e7 Vt=2.5 Vh=0)\n.option baudrate=10e6\n.param tstep=0.1n\n.ic V(i)=2.5\n.tran 0 15u 0u {tstep} uic