Version 4 SHEET 1 1592 680 WIRE 704 64 672 64 WIRE 1312 64 768 64 WIRE 16 112 16 64 WIRE 112 112 112 64 WIRE 208 112 208 64 WIRE 304 112 304 64 WIRE 672 128 672 64 WIRE 672 128 608 128 WIRE 704 128 672 128 WIRE 1056 128 880 128 WIRE 880 144 880 128 WIRE 880 144 768 144 WIRE 1280 144 1120 144 WIRE 704 160 640 160 WIRE 1056 160 992 160 WIRE 16 240 16 192 WIRE 112 240 112 192 WIRE 208 240 208 192 WIRE 304 240 304 192 WIRE 608 240 608 128 WIRE 608 240 592 240 WIRE 672 240 672 128 WIRE 704 240 672 240 WIRE 1312 240 1312 64 WIRE 1360 240 1312 240 WIRE 816 256 768 256 WIRE 880 256 816 256 WIRE 992 256 992 160 WIRE 992 256 944 256 WIRE 640 272 640 160 WIRE 704 272 640 272 WIRE 992 272 992 256 WIRE 1056 272 992 272 WIRE 640 288 640 272 WIRE 640 288 592 288 WIRE 1168 288 1120 288 WIRE 1280 288 1280 144 WIRE 1360 288 1280 288 WIRE 1056 304 656 304 WIRE 1168 320 1168 288 WIRE 1216 320 1168 320 WIRE 656 336 656 304 WIRE 656 336 592 336 WIRE 1360 336 1280 336 WIRE 1216 352 1168 352 WIRE 624 384 592 384 WIRE 816 384 816 256 WIRE 1056 384 816 384 WIRE 1360 384 1312 384 WIRE 1168 400 1168 352 WIRE 1168 400 1120 400 WIRE 656 416 656 336 WIRE 720 416 656 416 WIRE 1056 416 784 416 WIRE 816 496 816 384 WIRE 1056 496 816 496 WIRE 1168 512 1120 512 WIRE 656 528 656 416 WIRE 1056 528 656 528 WIRE 1168 544 1168 512 WIRE 1216 544 1168 544 WIRE 1312 560 1312 384 WIRE 1312 560 1280 560 WIRE 624 576 624 384 WIRE 1216 576 624 576 FLAG 16 240 0 FLAG 112 240 0 FLAG 208 240 0 FLAG 304 240 0 FLAG 16 64 D IOPIN 16 64 Out FLAG 112 64 C IOPIN 112 64 Out FLAG 208 64 B IOPIN 208 64 Out FLAG 304 64 A IOPIN 304 64 Out FLAG 592 384 A IOPIN 592 384 In FLAG 592 336 B IOPIN 592 336 In FLAG 592 288 C IOPIN 592 288 In FLAG 592 240 D IOPIN 592 240 In FLAG 1360 240 Z IOPIN 1360 240 Out FLAG 1360 288 Y IOPIN 1360 288 Out FLAG 1360 336 X IOPIN 1360 336 Out FLAG 1360 384 W IOPIN 1360 384 Out SYMBOL voltage 16 96 R0 WINDOW 3 -4 189 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 1m 1n 1n 1m 2m) SYMATTR InstName V1 SYMBOL voltage 112 96 R0 WINDOW 3 -100 215 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 2m 1n 1n 2m 4m) SYMATTR InstName V2 SYMBOL voltage 208 96 R0 WINDOW 3 -196 242 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 4m 1n 1n 4m 8m) SYMATTR InstName V3 SYMBOL voltage 304 96 R0 WINDOW 3 -292 268 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 8m 1n 1n 8m 16m) SYMATTR InstName V4 SYMBOL DigitalLogic\\AND_2 736 144 R0 SYMATTR InstName U1 SYMBOL DigitalLogic\\AND_2 1088 288 R0 SYMATTR InstName U2 SYMBOL DigitalLogic\\AND_2 1088 400 R0 SYMATTR InstName U3 SYMBOL DigitalLogic\\AND_2 1088 512 R0 SYMATTR InstName U4 SYMBOL DigitalLogic\\OR_2 736 256 R0 SYMATTR InstName U5 SYMBOL DigitalLogic\\OR_2 1088 144 R0 SYMATTR InstName U6 SYMBOL DigitalLogic\\OR_2 1248 336 R0 SYMATTR InstName U7 SYMBOL DigitalLogic\\OR_2 1248 560 R0 SYMATTR InstName U8 SYMBOL DigitalLogic\\INV_1 896 256 R0 SYMATTR InstName U9 SYMBOL DigitalLogic\\INV_1 720 64 R0 SYMATTR InstName U10 SYMBOL DigitalLogic\\INV_1 736 416 R0 SYMATTR InstName U11 TEXT 120 416 Left 2 !.tran 10m