Version 4 SHEET 1 1100 1908 WIRE -64 112 -96 112 WIRE -160 112 -192 112 WIRE -432 112 -832 112 WIRE -192 112 -192 272 WIRE -192 112 -368 112 WIRE -192 272 -64 272 WIRE -64 144 -112 144 WIRE -112 144 -112 304 WIRE -112 304 -64 304 WIRE -112 304 -256 304 WIRE 0 112 32 112 WIRE 32 112 32 176 WIRE 32 176 80 176 WIRE 0 272 32 272 WIRE 32 272 32 224 WIRE 32 224 80 224 WIRE 176 176 256 176 WIRE 192 224 256 224 WIRE -832 912 -432 912 WIRE -64 416 -96 416 WIRE -160 416 -192 416 WIRE -192 416 -192 576 WIRE -192 416 -368 416 WIRE -192 576 -64 576 WIRE -64 448 -112 448 WIRE -112 448 -112 608 WIRE -112 608 -64 608 WIRE 0 416 32 416 WIRE 32 416 32 480 WIRE 32 480 80 480 WIRE 0 576 32 576 WIRE 32 576 32 528 WIRE 32 528 80 528 WIRE 176 480 256 480 WIRE 192 528 256 528 WIRE -64 720 -96 720 WIRE -160 720 -192 720 WIRE -192 720 -192 880 WIRE -192 720 -368 720 WIRE -192 880 -64 880 WIRE -64 752 -112 752 WIRE -112 752 -112 912 WIRE -112 912 -64 912 WIRE 0 720 32 720 WIRE 32 720 32 784 WIRE 32 784 80 784 WIRE 0 880 32 880 WIRE 32 880 32 832 WIRE 32 832 80 832 WIRE 176 784 256 784 WIRE 192 832 256 832 WIRE -432 416 -832 416 WIRE -432 720 -832 720 WIRE 496 144 560 144 WIRE 560 160 448 160 WIRE 560 176 400 176 WIRE 560 192 528 192 WIRE 528 192 528 336 WIRE 496 288 560 288 WIRE 528 336 528 480 WIRE 496 432 560 432 WIRE 560 448 448 448 WIRE 560 464 400 464 WIRE 560 480 528 480 WIRE 528 480 528 624 WIRE 496 576 560 576 WIRE 560 592 448 592 WIRE 560 608 400 608 WIRE 560 624 528 624 WIRE 528 624 528 768 WIRE 496 720 560 720 WIRE 560 736 448 736 WIRE 560 752 400 752 WIRE 560 768 528 768 WIRE 528 768 528 912 WIRE 496 864 560 864 WIRE 560 880 448 880 WIRE 560 896 400 896 WIRE 560 912 528 912 WIRE 528 912 528 1056 WIRE 496 1008 560 1008 WIRE 560 1024 448 1024 WIRE 560 1040 400 1040 WIRE 560 1056 528 1056 WIRE 528 1056 528 1200 WIRE 496 1152 560 1152 WIRE 560 1168 448 1168 WIRE 560 1184 400 1184 WIRE 560 1200 528 1200 WIRE 528 1200 528 1248 WIRE -368 1184 -272 1184 WIRE -208 1184 -160 1184 WIRE -160 1184 -160 1216 WIRE -160 1216 -64 1216 WIRE -64 1248 -160 1248 WIRE -160 1248 -160 1280 WIRE -160 1280 -368 1280 WIRE -432 1184 -832 1184 WIRE -432 1280 -832 1280 WIRE 624 144 720 144 WIRE 624 288 720 288 WIRE 624 432 720 432 WIRE 624 576 720 576 WIRE 624 720 720 720 WIRE 624 864 720 864 WIRE 624 1008 720 1008 WIRE 624 1152 720 1152 WIRE 784 144 848 144 WIRE 784 288 848 288 WIRE 784 432 848 432 WIRE 784 576 848 576 WIRE 784 720 848 720 WIRE 784 864 848 864 WIRE 784 1008 848 1008 WIRE 784 1152 848 1152 WIRE 528 1248 0 1248 WIRE -112 608 -256 608 WIRE -256 608 -256 912 WIRE -256 912 -112 912 WIRE -256 608 -256 304 WIRE -368 912 -256 912 WIRE 560 304 448 304 WIRE 560 320 400 320 WIRE 560 336 528 336 WIRE 928 144 992 144 WIRE 928 288 992 288 WIRE 928 432 992 432 WIRE 928 576 992 576 WIRE 928 720 992 720 WIRE 928 864 992 864 WIRE 928 1008 992 1008 WIRE 928 1152 992 1152 FLAG -832 912 _LE IOPIN -832 912 In FLAG -832 112 A0 IOPIN -832 112 In FLAG 256 176 Q0 FLAG 256 224 _Q0 FLAG 256 480 Q1 FLAG 256 528 _Q1 FLAG 256 784 Q2 FLAG 256 832 _Q2 FLAG -832 416 A1 IOPIN -832 416 In FLAG -832 720 A2 IOPIN -832 720 In FLAG 496 144 _Q0 FLAG 448 160 _Q1 FLAG 400 176 _Q2 FLAG 496 288 Q0 FLAG 448 304 _Q1 FLAG 400 320 _Q2 FLAG 496 432 _Q0 FLAG 448 448 Q1 FLAG 400 464 _Q2 FLAG 496 576 Q0 FLAG 448 592 Q1 FLAG 400 608 _Q2 FLAG 496 720 _Q0 FLAG 448 736 _Q1 FLAG 400 752 Q2 FLAG 496 864 Q0 FLAG 448 880 _Q1 FLAG 400 896 Q2 FLAG 496 1008 _Q0 FLAG 448 1024 Q1 FLAG 400 1040 Q2 FLAG 496 1152 Q0 FLAG 448 1168 Q1 FLAG 400 1184 Q2 FLAG 992 144 _Y0 IOPIN 992 144 Out FLAG 992 288 _Y1 IOPIN 992 288 Out FLAG 992 432 _Y2 IOPIN 992 432 Out FLAG 992 576 _Y3 IOPIN 992 576 Out FLAG 992 720 _Y4 IOPIN 992 720 Out FLAG 992 864 _Y5 IOPIN 992 864 Out FLAG 992 1008 _Y6 IOPIN 992 1008 Out FLAG 992 1152 _Y7 IOPIN 992 1152 Out FLAG -832 1280 E2 IOPIN -832 1280 In FLAG -832 1184 _E1 IOPIN -832 1184 In SYMBOL Digital\\srflop 128 128 R0 WINDOW 39 -40 28 Left 0 SYMATTR SpiceLine td=5n SYMATTR InstName A1 SYMBOL Digital\\and -32 64 R0 SYMATTR InstName A2 SYMATTR SpiceLine td=5n SYMBOL Digital\\and -32 224 R0 SYMATTR InstName A3 SYMATTR SpiceLine td=5n SYMBOL Digital\\inv -432 48 R0 SYMATTR InstName A5 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref={VCC/2} SYMBOL Digital\\inv -160 48 R0 SYMATTR InstName A6 SYMBOL Digital\\inv -432 848 R0 SYMATTR InstName A7 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref={VCC/2} SYMBOL Digital\\srflop 128 432 R0 WINDOW 39 -40 28 Left 0 SYMATTR SpiceLine td=5n SYMATTR InstName A4 SYMBOL Digital\\and -32 368 R0 SYMATTR InstName A8 SYMATTR SpiceLine td=5n SYMBOL Digital\\and -32 528 R0 SYMATTR InstName A9 SYMATTR SpiceLine td=5n SYMBOL Digital\\inv -432 352 R0 SYMATTR InstName A10 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref={VCC/2} SYMBOL Digital\\inv -160 352 R0 SYMATTR InstName A11 SYMBOL Digital\\srflop 128 736 R0 WINDOW 39 -40 28 Left 0 SYMATTR SpiceLine td=5n SYMATTR InstName A12 SYMBOL Digital\\and -32 672 R0 SYMATTR InstName A13 SYMATTR SpiceLine td=5n SYMBOL Digital\\and -32 832 R0 SYMATTR InstName A14 SYMATTR SpiceLine td=5n SYMBOL Digital\\inv -432 656 R0 SYMATTR InstName A15 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref={VCC/2} SYMBOL Digital\\inv -160 656 R0 SYMATTR InstName A16 SYMBOL Digital\\and 592 96 R0 SYMATTR InstName A17 SYMATTR SpiceLine td=5n SYMBOL Digital\\and 592 240 R0 SYMATTR InstName A18 SYMATTR SpiceLine td=5n SYMBOL Digital\\and 592 384 R0 SYMATTR InstName A19 SYMATTR SpiceLine td=5n SYMBOL Digital\\and 592 528 R0 SYMATTR InstName A20 SYMATTR SpiceLine td=5n SYMBOL Digital\\and 592 672 R0 SYMATTR InstName A21 SYMATTR SpiceLine td=5n SYMBOL Digital\\and 592 816 R0 SYMATTR InstName A22 SYMATTR SpiceLine td=5n SYMBOL Digital\\and 592 960 R0 SYMATTR InstName A23 SYMATTR SpiceLine td=5n SYMBOL Digital\\and 592 1104 R0 SYMATTR InstName A24 SYMATTR SpiceLine td=5n SYMBOL Digital\\or -32 1168 R0 SYMATTR InstName A25 SYMATTR SpiceLine td=5n SYMBOL Digital\\inv -432 1120 R0 SYMATTR InstName A26 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref={VCC/2} SYMBOL Digital\\inv -272 1120 R0 SYMATTR InstName A27 SYMBOL Digital\\inv -432 1216 R0 SYMATTR InstName A28 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref={VCC/2} SYMBOL Digital\\inv 720 80 R0 SYMATTR InstName A29 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref=0.5 vlow=0 vhigh={VCC} SYMBOL Digital\\inv 720 224 R0 SYMATTR InstName A30 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref=0.5 vlow=0 vhigh={VCC} SYMBOL Digital\\inv 720 368 R0 SYMATTR InstName A31 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref=0.5 vlow=0 vhigh={VCC} SYMBOL Digital\\inv 720 512 R0 SYMATTR InstName A32 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref=0.5 vlow=0 vhigh={VCC} SYMBOL Digital\\inv 720 656 R0 SYMATTR InstName A33 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref=0.5 vlow=0 vhigh={VCC} SYMBOL Digital\\inv 720 800 R0 SYMATTR InstName A34 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref=0.5 vlow=0 vhigh={VCC} SYMBOL Digital\\inv 720 944 R0 SYMATTR InstName A35 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref=0.5 vlow=0 vhigh={VCC} SYMBOL Digital\\inv 720 1088 R0 SYMATTR InstName A36 SYMATTR SpiceLine td=5n SYMATTR SpiceLine2 ref=0.5 vlow=0 vhigh={VCC} SYMBOL res 832 160 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value {ROUT} SYMBOL res 832 304 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R2 SYMATTR Value {ROUT} SYMBOL res 832 448 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R3 SYMATTR Value {ROUT} SYMBOL res 832 592 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R4 SYMATTR Value {ROUT} SYMBOL res 832 736 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R5 SYMATTR Value {ROUT} SYMBOL res 832 880 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R6 SYMATTR Value {ROUT} SYMBOL res 832 1024 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R7 SYMATTR Value {ROUT} SYMBOL res 832 1168 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R8 SYMATTR Value {ROUT} TEXT 16 -112 Left 0 ;The latch is made with a RS-Flipflop\n \nDefault levels: Threshold 0.5V, High=1V, Low=0V\n \nTransparent: LE\\ is 0\nHold(Stable): LE\\ = 1 TEXT -984 -128 Left 0 ;The 74HC137 is a decoder with latch at the inputs.\nhttp://www.semiconductors.philips.com/acrobat_download/datasheets/74HC137_3.pdf TEXT -888 -24 Left 0 !.param VCC=5 TEXT -888 8 Left 0 !.param ROUT=50