Version 4 SHEET 1 1448 680 WIRE 816 128 672 128 WIRE 1024 128 896 128 WIRE 304 144 304 128 WIRE 672 208 672 128 WIRE 672 208 560 208 WIRE 704 208 672 208 WIRE 832 208 816 208 WIRE 880 208 832 208 WIRE 896 208 880 208 WIRE 1024 208 1024 128 WIRE 1024 208 1008 208 WIRE 1056 208 1024 208 WIRE 560 224 560 208 WIRE 512 240 464 240 WIRE 832 240 832 208 WIRE 880 256 880 208 WIRE 896 256 880 256 WIRE 1024 256 1024 208 WIRE 1024 256 1008 256 WIRE 464 272 464 240 WIRE 512 304 512 288 WIRE 880 304 880 256 WIRE 896 304 880 304 WIRE 1024 304 1024 256 WIRE 1024 304 1008 304 WIRE 560 336 560 304 WIRE 768 336 560 336 WIRE 832 336 832 320 WIRE 832 336 768 336 WIRE 832 352 832 336 WIRE 880 352 880 304 WIRE 896 352 880 352 WIRE 1024 352 1024 304 WIRE 1024 352 1008 352 WIRE 512 400 512 384 WIRE 880 400 880 352 WIRE 896 400 880 400 WIRE 1024 400 1024 352 WIRE 1024 400 1008 400 WIRE 832 432 832 416 FLAG 304 128 V+ FLAG 464 272 0 FLAG 304 224 0 FLAG 512 400 0 FLAG 512 288 PB FLAG 832 432 0 FLAG 1056 208 Out FLAG 768 336 C SYMBOL sw 560 208 R0 SYMATTR InstName S1 SYMBOL voltage 512 288 R0 WINDOW 3 -130 147 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 30 79 Left 2 SYMATTR Value PULSE(-1 1 .5 1us 1us .2 2) SYMATTR InstName V1 SYMBOL battery 304 128 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 5V SYMBOL Digital\\CD4049B 752 144 R0 SYMATTR InstName U1 SYMBOL Digital\\CD4049B 944 144 R0 WINDOW 0 -43 53 Left 2 WINDOW 3 -8 40 Left 2 SYMATTR InstName U2 SYMBOL res 848 224 M0 SYMATTR InstName R1 SYMATTR Value 220K SYMBOL res 912 112 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 4.7K SYMBOL polcap 848 352 M0 SYMATTR InstName C1 SYMATTR Value 470nf SYMBOL Digital\\CD4049B 944 192 R0 WINDOW 0 -43 53 Left 2 WINDOW 3 -8 40 Left 2 SYMATTR InstName U3 SYMBOL Digital\\CD4049B 944 240 R0 WINDOW 0 -43 53 Left 2 WINDOW 3 -8 40 Left 2 SYMATTR InstName U4 SYMBOL Digital\\CD4049B 944 288 R0 WINDOW 0 -43 53 Left 2 WINDOW 3 -8 40 Left 2 SYMATTR InstName U5 SYMBOL Digital\\CD4049B 944 336 R0 WINDOW 0 -43 53 Left 2 WINDOW 3 -8 40 Left 2 SYMATTR InstName U6 TEXT 208 72 Left 2 !.model SW SW(Ron=.1 Roff=10Meg Vt=0 Vh=-.5) TEXT 648 376 Left 2 !.tran 7s startup TEXT 656 440 Left 2 !.lib cd4000.lib TEXT 472 144 Left 2 ;Simulated \nPush Button TEXT 880 432 Left 2 ;Optional\nfor more output drive RECTANGLE Normal 640 416 384 112 1 RECTANGLE Normal 1088 480 864 224 2