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 0 624 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 976 144 976 128 WIRE 976 128 960 128 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 1104 752 1104 736 WIRE 1104 656 1104 640 WIRE 1184 592 1200 592 WIRE 1184 592 1184 528 WIRE 1184 528 1104 528 WIRE 1264 656 1264 640 WIRE 1264 752 1264 736 WIRE 1200 496 1200 480 WIRE 1200 416 1200 400 WIRE 1200 400 1264 400 WIRE 1200 304 1200 400 WIRE 1280 304 1312 304 WIRE 1376 304 1392 304 WIRE 1392 304 1392 400 WIRE 1392 400 1376 400 WIRE 1392 400 1408 400 WIRE 1264 544 1264 400 WIRE 1104 400 1104 528 WIRE 1104 528 1104 544 WIRE 1008 448 1008 400 WIRE 1024 400 1008 400 WIRE 992 288 1008 288 WIRE 1008 288 1008 304 WIRE 864 624 864 608 WIRE 832 512 864 512 WIRE -32 400 0 400 WIRE 960 368 944 368 WIRE 864 720 864 688 WIRE 1184 592 1168 592 WIRE 1104 400 1104 384 WIRE 1008 288 1104 288 WIRE 1104 288 1104 304 WIRE 384 592 384 576 WIRE 368 464 368 448 WIRE 368 448 352 448 WIRE 464 144 464 176 WIRE 400 464 400 144 WIRE 400 144 464 144 WIRE 720 144 720 128 WIRE 720 128 608 128 WIRE 864 528 864 512 WIRE 464 144 560 144 WIRE 608 208 608 240 WIRE 608 240 624 240 WIRE 736 656 736 512 WIRE 736 512 752 512 WIRE 736 512 736 448 WIRE 1200 400 1184 400 WIRE 1120 144 1120 128 WIRE 1120 128 1104 128 WIRE 880 624 864 624 WIRE 864 512 880 512 WIRE 192 624 208 624 WIRE 0 288 96 288 WIRE 96 288 144 288 FLAG 32 208 0 FLAG -32 112 fin FLAG 144 288 Vdd FLAG 144 544 Vdd FLAG 976 224 0 FLAG 960 128 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 1104 752 0 FLAG 1264 752 0 FLAG 1200 496 0 FLAG 1520 400 fo FLAG 1008 528 0 FLAG -32 656 fo FLAG 992 288 +10 FLAG 880 512 cv FLAG 864 720 0 FLAG 944 368 cv FLAG 464 256 0 FLAG 720 224 0 FLAG 560 192 0 FLAG 1184 400 i FLAG 1120 224 0 FLAG 1104 128 +10 FLAG 880 624 cvc FLAG 624 240 cvc FLAG 256 768 df_clr 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=4n 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=4n SYMBOL sym_new\\74hc08 592 320 R0 SYMATTR InstName U6 SYMBOL voltage 976 128 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 1200 544 R0 SYMATTR InstName Q1 SYMATTR Value c1815 SYMBOL res 1088 640 R0 SYMATTR InstName R1 SYMATTR Value 47 SYMBOL npn 1168 544 M0 SYMATTR InstName Q2 SYMATTR Value c1815 SYMBOL res 1248 640 R0 SYMATTR InstName R2 SYMATTR Value 47 SYMBOL diode 1376 320 M270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 46 VBottom 0 SYMATTR InstName D1 SYMATTR Value MMSD4148 SYMBOL res 1296 288 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 100 SYMBOL cap 1184 416 R0 SYMATTR InstName C1 SYMATTR Value 37p SYMBOL sym_new\\74hc14 1312 352 R0 SYMATTR InstName U7 SYMBOL res 1120 384 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 4.7k SYMBOL njf 960 304 R0 WINDOW 0 29 47 Left 0 WINDOW 3 -44 111 Left 0 SYMATTR InstName J1 SYMATTR Value k30atm SYMBOL sym_new\\74hc14 1456 352 R0 SYMATTR InstName U8 SYMBOL res 992 432 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 820 SYMBOL cap 848 624 R0 WINDOW 0 43 31 Left 0 WINDOW 3 30 60 Left 0 SYMATTR InstName C2 SYMATTR Value 820p SYMBOL res 848 512 R0 SYMATTR InstName R7 SYMATTR Value 820 SYMBOL res 1088 288 R0 SYMATTR InstName R8 SYMATTR Value 22k SYMBOL sym_new\\74hc02 448 512 R90 WINDOW 0 16 120 VLeft 0 WINDOW 3 52 157 VLeft 0 SYMATTR InstName U4 SYMBOL voltage 464 160 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 720 128 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value 3 SYMBOL sw 608 224 M180 WINDOW 3 -7 110 Left 0 WINDOW 0 -46 109 Left 0 SYMATTR Value cSW SYMATTR InstName S3 SYMBOL voltage 1120 128 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 TEXT 368 728 Left 0 ;A1, A2