Version 4 SHEET 1 956 1212 WIRE 64 80 96 80 WIRE 96 80 96 176 WIRE 96 176 64 176 WIRE -16 80 -80 80 WIRE -80 80 -80 176 WIRE -80 176 -48 176 WIRE -80 208 -80 176 WIRE -80 272 -80 304 WIRE 96 176 128 176 WIRE 480 -176 480 -192 WIRE 480 -272 480 -288 WIRE 480 -288 560 -288 WIRE -32 -160 0 -160 WIRE -144 -160 -208 -160 WIRE -208 -160 -208 -144 WIRE -208 -48 -208 -64 WIRE 576 128 640 128 WIRE 576 160 640 160 WIRE 576 192 640 192 WIRE 576 224 592 224 WIRE 784 128 816 128 WIRE 784 160 816 160 WIRE 784 192 816 192 WIRE 784 224 816 224 WIRE 640 128 704 128 WIRE 640 160 704 160 WIRE 640 192 704 192 WIRE 640 224 704 224 WIRE 592 224 592 320 WIRE 592 224 640 224 WIRE 592 320 384 320 WIRE 384 320 384 624 WIRE 384 624 608 624 WIRE 608 592 592 592 WIRE 432 512 432 528 WIRE 432 528 496 528 WIRE 608 480 496 480 WIRE 496 480 496 528 WIRE 496 528 512 528 WIRE 576 528 608 528 WIRE 432 432 432 416 WIRE 608 704 592 704 WIRE 832 576 864 576 WIRE 640 96 704 96 WIRE 784 96 816 96 WIRE 224 32 208 32 WIRE 176 32 176 0 WIRE 176 32 176 48 WIRE 176 112 176 128 WIRE 336 32 352 32 WIRE 176 -80 176 -96 WIRE 176 -96 224 -96 WIRE 208 32 176 32 WIRE 672 -176 672 -192 WIRE 672 -272 672 -288 WIRE 672 -288 752 -288 WIRE 0 752 0 800 WIRE 0 800 48 800 WIRE -64 704 -80 704 WIRE -80 704 -80 736 WIRE -240 704 -256 704 WIRE -256 704 -256 736 WIRE -176 752 -176 832 WIRE -176 832 48 832 WIRE 0 864 0 800 WIRE -176 864 -176 832 WIRE -176 944 -176 976 WIRE -176 976 0 976 WIRE 0 976 0 944 WIRE -176 976 -208 976 WIRE -176 656 -176 624 WIRE 0 656 0 624 WIRE -176 544 -176 512 WIRE 0 544 0 512 WIRE 160 816 208 816 WIRE 208 864 208 816 WIRE 208 944 208 976 WIRE 208 976 0 976 WIRE 208 816 240 816 WIRE 128 176 352 176 WIRE -32 -256 0 -256 WIRE -144 -256 -208 -256 WIRE -208 -256 -208 -160 FLAG -80 304 0 FLAG 480 -176 0 FLAG 560 -288 VCC FLAG 0 -160 out_14 FLAG -208 -48 0 FLAG -208 -160 in FLAG 816 128 q0_ FLAG 816 160 q1_ FLAG 816 192 q2_ FLAG 816 224 q3_ FLAG 640 128 q0 FLAG 640 160 q1 FLAG 640 192 q2 FLAG 640 224 q3 FLAG 592 592 0 FLAG 432 416 VCC FLAG 592 704 VCC FLAG 864 576 q123 FLAG 640 96 q123 FLAG 816 96 q123_ FLAG 176 128 0 FLAG 224 -96 VCC FLAG 208 32 res FLAG 672 -176 0 FLAG 752 -288 VEE FLAG -80 736 0 FLAG -256 736 0 FLAG -208 976 VEE FLAG -176 512 q0 FLAG 0 512 q1 FLAG 240 816 q01_vee FLAG 128 176 osc FLAG 0 -256 out_0 SYMBOL res -32 96 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL cap -96 208 R0 SYMATTR InstName C1 SYMATTR Value 100p SYMBOL voltage 480 -288 R0 SYMATTR InstName V1 SYMATTR Value 5V SYMBOL Digital\\74HC\\74hc14 -96 -208 R0 SYMATTR InstName U2 SYMBOL voltage -208 -160 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 0 5u 5u 0 10u) SYMBOL Digital\\74HC\\74hc14 0 128 R0 SYMATTR InstName U1 SYMBOL Digital\\74HC\\74hc393 464 -48 R0 SYMATTR InstName U3 SYMBOL Digital\\dview5 720 240 R0 SYMATTR InstName U4 SYMATTR SpiceLine OFFSET=6 GAIN=0.1 SYMBOL Digital\\74HC\\74hc123 720 416 R0 SYMATTR InstName U5 SYMBOL res 416 416 R0 SYMATTR InstName R3 SYMATTR Value 10k SYMBOL cap 512 544 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C2 SYMATTR Value 1n SYMBOL Digital\\74HC\\74hc14 272 -16 R0 SYMATTR InstName U6 SYMBOL res 160 -96 R0 SYMATTR InstName R4 SYMATTR Value 10k SYMBOL cap 160 48 R0 SYMATTR InstName Cres SYMATTR Value 150p SYMBOL voltage 672 -288 R0 SYMATTR InstName V4 SYMATTR Value -5.2V SYMBOL Digital\\74HC\\74hc00 96 752 R0 SYMATTR InstName U7 SYMATTR SpiceLine VCC=5.2 SPEED=1.0 TRIPDT=1e-9 SYMATTR SpiceModel 0 VEE SYMBOL pnp -64 752 M180 SYMATTR InstName Q2 SYMBOL pnp -240 752 M180 SYMATTR InstName Q1 SYMBOL res -192 528 R0 SYMATTR InstName R5 SYMATTR Value 10k SYMBOL res -16 528 R0 SYMATTR InstName R6 SYMATTR Value 10k SYMBOL res -192 848 R0 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL res -16 848 R0 SYMATTR InstName R8 SYMATTR Value 10k SYMBOL res 192 848 R0 SYMATTR InstName R9 SYMATTR Value 1k SYMBOL Digital\\74HC\\74hc04 -96 -320 R0 SYMATTR InstName U8 TEXT -216 -624 Left 0 !.include 74hc.lib TEXT -216 -504 Left 0 !.tran 0 20u 0 1n TEXT -216 -592 Left 0 !.include dview.lib TEXT -216 -424 Left 0 !.IC V(res)=0 TEXT -216 -648 Left 0 ;Libraries TEXT -216 -528 Left 0 ;Simulation TEXT -216 -448 Left 0 ;Initialization TEXT 64 728 Left 0 ;Gate supplied with 0,-5.2V TEXT 392 -88 Left 0 ;Counter supplied with +5V and 0(GND) TEXT 80 -672 Left 0 ;Right click with the mouse on the symbol to see the properties.\n \n SpiceModel VCC 0 \n SpecLine VCC=5 SPEED=1 TRIPDTV=1e-9 \n \nVCC 0 +supply net is VCC, - supply net is 0(GND)\nVCC=5 is the value of supply voltage\nSPEED=1 delay multiplier\nTRIPDTV=1e-9 internal timestep for A elements TEXT -192 440 Left 0 ;74HC00 supplied with -5.2V TEXT -216 -328 Left 0 ;Show threshhold voltage