Version 4
SHEET 1 1060 1908
WIRE 224 288 -416 288
WIRE -416 320 -416 288
WIRE -416 400 -416 416
WIRE -416 1088 -416 1104
WIRE -416 1008 -416 976
WIRE -480 976 -416 976
WIRE -416 288 -480 288
WIRE -416 496 -416 464
WIRE -416 576 -416 592
WIRE -416 464 -480 464
WIRE -416 672 -416 640
WIRE -416 752 -416 768
WIRE -416 640 -480 640
WIRE 48 464 -416 464
WIRE 80 640 -416 640
WIRE 144 1184 -272 1184
WIRE 176 1280 -416 1280
WIRE 384 288 880 288
WIRE 768 416 880 416
WIRE 736 480 880 480
WIRE 704 544 880 544
WIRE 656 608 880 608
WIRE 608 672 880 672
WIRE 560 736 880 736
WIRE -272 1408 -272 1424
WIRE -272 1328 -272 1184
WIRE -416 1488 -416 1504
WIRE -416 1408 -416 1280
WIRE -416 1280 -480 1280
WIRE -272 1184 -480 1184
WIRE 384 352 768 352
WIRE 768 352 768 416
WIRE 384 384 736 384
WIRE 736 384 736 480
WIRE 704 544 704 416
WIRE 704 416 384 416
WIRE 656 608 656 448
WIRE 656 448 384 448
WIRE 384 480 608 480
WIRE 608 480 608 672
WIRE 560 736 560 512
WIRE 560 512 384 512
WIRE 224 320 48 320
WIRE 48 320 48 464
WIRE 80 640 80 352
WIRE 80 352 224 352
WIRE 224 448 112 448
WIRE 224 512 176 512
WIRE 176 512 176 1280
WIRE 144 1184 144 480
WIRE 144 480 224 480
WIRE 112 448 112 976
WIRE 112 976 -416 976
WIRE 384 320 800 320
WIRE 800 320 800 352
WIRE 800 352 880 352
FLAG -416 416 0
FLAG -416 1104 0
FLAG -480 976 _LE
IOPIN -480 976 In
FLAG -480 288 A0
IOPIN -480 288 In
FLAG -416 592 0
FLAG -480 464 A1
IOPIN -480 464 In
FLAG -416 768 0
FLAG -480 640 A2
IOPIN -480 640 In
FLAG 880 288 _Y0
IOPIN 880 288 Out
FLAG 880 352 _Y1
IOPIN 880 352 Out
FLAG 880 416 _Y2
IOPIN 880 416 Out
FLAG 880 480 _Y3
IOPIN 880 480 Out
FLAG 880 544 _Y4
IOPIN 880 544 Out
FLAG 880 608 _Y5
IOPIN 880 608 Out
FLAG 880 672 _Y6
IOPIN 880 672 Out
FLAG 880 736 _Y7
IOPIN 880 736 Out
FLAG -480 1280 E2
IOPIN -480 1280 In
FLAG -480 1184 _E1
IOPIN -480 1184 In
FLAG -272 1424 0
FLAG -416 1504 0
SYMBOL voltage -416 304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V0
SYMATTR Value PULSE(0 {VCC} 0.25u 5n 5n 0.245u 0.5u)
SYMBOL voltage -416 992 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 30 21 Left 0
WINDOW 3 37 72 Left 0
SYMATTR InstName V3
SYMATTR Value 0
SYMBOL voltage -416 480 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(0 {VCC} 0.5u 5n 5n 0.495u 1u)
SYMBOL voltage -416 656 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 {VCC} 1u 5n 5n 0.995u 2u)
SYMBOL voltage -272 1312 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 34 32 Left 0
WINDOW 3 40 76 Left 0
SYMATTR InstName V4
SYMATTR Value 0
SYMBOL voltage -416 1392 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 35 36 Left 0
WINDOW 3 34 82 Left 0
SYMATTR InstName V5
SYMATTR Value {VCC}
SYMBOL 74HC137 304 352 R0
SYMATTR InstName X1
SYMATTR SpiceLine VCC={VCC} ROUT=50
TEXT -440 120 Left 0 !.tran 0 10u 0 5n
TEXT -104 56 Left 0 ;The 74HC137 is a decoder with latch at the inputs.\n \nhttp://www.semiconductors.philips.com/acrobat_download/datasheets/74HC137_3.pdf
TEXT -440 168 Left 0 ;.OPTIONS plotwinsize=0
TEXT -432 208 Left 0 !.param VCC=5