Version 4
SHEET 1 1308 680
WIRE 112 96 -144 96
WIRE 112 144 112 96
WIRE 144 144 112 144
WIRE 368 144 304 144
WIRE -160 160 -288 160
WIRE -160 176 -160 160
WIRE -144 176 -160 176
WIRE -48 192 -64 192
WIRE 16 192 -16 192
WIRE 80 192 64 192
WIRE 144 192 128 192
WIRE 368 192 320 192
WIRE -288 208 -288 160
WIRE -288 208 -320 208
WIRE -240 208 -288 208
WIRE -144 208 -192 208
FLAG -144 96 D
IOPIN -144 96 In
FLAG -320 208 CLK
IOPIN -320 208 In
FLAG 368 144 Q
IOPIN 368 144 Out
FLAG 368 192 _Q
IOPIN 368 192 Out
SYMBOL dtflop 224 96 R0
SYMATTR InstName X1
SYMBOL tnand -112 192 R0
SYMATTR InstName X3
SYMBOL sti -224 208 R0
SYMATTR InstName X2
SYMBOL tcycle_up -32 192 R0
SYMATTR InstName X4
SYMBOL pti 32 192 R0
SYMATTR InstName X5
SYMBOL pti 96 192 R0
SYMATTR InstName X6
TEXT -80 16 Left 0 ;UNTESTED -- a better approach may be to \nfeed a clocked PZN tri-flop
TEXT -176 328 Left 0 ;5 V with pulses of ~0 V
TEXT -64 288 Left 0 ;-5 V with 0 V pulses
TEXT 168 272 Left 0 ;Signal is completely lost (ranges from -5.016 \nto -4.986 V) at this point due to low noise margins
LINE Normal -320 288 -352 288
LINE Normal -320 256 -320 288
LINE Normal -288 256 -320 256
LINE Normal 112 256 96 256
LINE Normal 112 224 112 256
LINE Normal 128 224 112 224
LINE Normal 128 256 128 224
LINE Normal 144 256 128 256
LINE Normal -64 208 -96 320
LINE Normal 0 208 -16 272
LINE Normal 128 208 160 256
