Version 4
SHEET 1 1104 772
WIRE -544 128 -544 96
WIRE -544 224 -544 208
WIRE -528 464 -528 432
WIRE -528 592 -528 544
WIRE -464 96 -544 96
WIRE -464 192 -464 96
WIRE -464 320 -464 304
WIRE -416 96 -464 96
WIRE -400 320 -464 320
WIRE -368 384 -384 384
WIRE -368 400 -368 384
WIRE -368 512 -368 480
WIRE -288 208 -320 208
WIRE -288 608 -320 608
WIRE -256 304 -288 304
WIRE -256 304 -256 272
WIRE -256 336 -288 336
WIRE -256 368 -256 336
WIRE -208 416 -224 416
WIRE -208 432 -208 416
WIRE -208 544 -208 512
WIRE -160 208 -176 208
WIRE -160 272 -256 272
WIRE -160 272 -160 208
WIRE -160 368 -256 368
WIRE -160 496 -160 368
WIRE -160 608 -176 608
WIRE -160 608 -160 496
WIRE -128 320 -160 320
WIRE -128 320 -128 240
WIRE -128 464 -128 320
WIRE -112 208 -160 208
WIRE -112 240 -128 240
WIRE -112 464 -128 464
WIRE -112 496 -160 496
WIRE -64 368 -64 352
WIRE -16 96 -16 80
WIRE -16 352 -64 352
WIRE -16 352 -16 320
WIRE -16 384 -16 352
WIRE -16 624 -16 608
WIRE 96 240 80 240
WIRE 96 336 96 240
WIRE 96 464 80 464
WIRE 96 464 96 368
WIRE 176 176 80 176
WIRE 176 192 176 176
WIRE 176 320 176 304
WIRE 224 400 224 208
WIRE 224 528 80 528
WIRE 224 528 224 512
WIRE 256 176 176 176
WIRE 256 208 224 208
WIRE 256 320 176 320
WIRE 256 496 256 320
WIRE 272 496 256 496
WIRE 272 528 224 528
WIRE 400 80 -16 80
WIRE 400 352 208 352
WIRE 400 352 400 80
WIRE 400 624 -16 624
WIRE 400 624 400 352
WIRE 432 512 384 512
WIRE 432 608 432 512
WIRE 464 192 368 192
WIRE 464 576 464 192
WIRE 480 192 464 192
WIRE 480 512 432 512
WIRE 480 576 464 576
WIRE 480 608 432 608
WIRE 608 512 592 512
WIRE 608 512 608 448
WIRE 608 592 592 592
WIRE 624 192 592 192
WIRE 624 224 624 192
WIRE 640 224 624 224
WIRE 640 448 608 448
WIRE 688 192 688 160
WIRE 688 208 688 192
WIRE 688 336 688 304
WIRE 688 368 688 336
WIRE 688 480 688 464
WIRE 688 512 688 480
WIRE 704 192 688 192
WIRE 704 256 688 256
WIRE 704 256 704 192
WIRE 704 416 688 416
WIRE 704 480 688 480
WIRE 704 480 704 416
WIRE 736 336 688 336
WIRE 736 592 720 592
WIRE 736 624 736 592
WIRE 736 720 736 704
WIRE 752 592 736 592
FLAG -528 592 0
FLAG -528 432 V+
IOPIN -528 432 Out
FLAG -160 320 V+
IOPIN -160 320 In
FLAG -320 208 Sigin
IOPIN -320 208 In
FLAG -320 608 Comp
IOPIN -320 608 In
FLAG 752 592 Pcpout
IOPIN 752 592 Out
FLAG 688 160 V+
IOPIN 688 160 In
FLAG 688 512 0
FLAG 736 336 Pc2out
IOPIN 736 336 Out
FLAG -64 368 0
FLAG -416 96 Pc1out
IOPIN -416 96 Out
FLAG -208 544 0
FLAG -368 512 0
FLAG -384 384 Comp
FLAG -224 416 Sigin
FLAG 736 720 0
FLAG -544 224 0
SYMBOL voltage -528 448 R0
WINDOW 3 -29 57 Left 0
WINDOW 123 0 0 Left 0
SYMATTR Value {Vcc}
SYMATTR InstName Vpwr
SYMATTR SpiceLine Rser=10 Cpar=1u
SYMBOL voltage -208 416 R0
WINDOW 0 -14 58 Left 0
WINDOW 3 -55 -21 Invisible 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE({Vcc/2} {Vcc/2} 1k 0 0 1m)
SYMBOL voltage -368 384 R0
WINDOW 0 -13 61 Left 0
WINDOW 3 -93 -7 Invisible 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE({Vcc/2} {Vcc/2} 1k 0 0)
SYMBOL pmos4 640 304 M180
WINDOW 3 71 70 Left 0
SYMATTR InstName M1
SYMATTR Value2 l=2u w=50u ad=20p as=20p pd=24u
SYMBOL nmos4 640 368 R0
WINDOW 3 73 70 Left 0
SYMATTR InstName M2
SYMATTR Value2 l=2u w=50u ad=20p as=20p pd=24u
SYMBOL CMOS_DFF -16 384 R0
WINDOW 0 -62 48 Left 0
WINDOW 3 15 214 Left 0
SYMATTR InstName U6
SYMBOL CMOS_DFF -16 320 M180
WINDOW 0 -63 175 Left 0
SYMATTR InstName U5
SYMBOL CMOSBUFF 656 528 R0
WINDOW 0 -18 27 Left 0
WINDOW 3 -69 27 Invisible 0
SYMATTR InstName U15
SYMBOL CMOSBUFF 528 448 R0
WINDOW 0 -18 26 Left 0
WINDOW 3 -56 14 Invisible 0
SYMATTR InstName U13
SYMBOL CMOSBUFF -240 144 R0
WINDOW 0 -2 31 Left 0
WINDOW 3 -22 25 Invisible 0
SYMATTR InstName U1
SYMBOL CMOSBUFF -240 544 R0
WINDOW 0 28 53 Left 0
WINDOW 3 24 85 Invisible 0
SYMATTR InstName U2
SYMBOL CMOSBUFF -528 256 R270
WINDOW 0 2 35 Left 0
WINDOW 3 49 38 Invisible 0
SYMATTR InstName U4
SYMBOL CMOS_INV 288 464 M270
WINDOW 0 -13 99 Left 0
WINDOW 3 -32 96 Invisible 0
SYMATTR InstName U9
SYMBOL CMOS_INV 112 240 M90
WINDOW 0 -13 31 Left 0
WINDOW 3 -56 24 Invisible 0
SYMATTR InstName U8
SYMBOL CMOSEXOR -336 384 R180
WINDOW 0 -8 64 Left 0
WINDOW 3 -70 119 Invisible 0
SYMATTR InstName U3
SYMBOL CMOS_AND 144 288 R0
WINDOW 0 -17 64 Left 0
WINDOW 3 -153 67 Invisible 0
SYMATTR InstName U7
SYMBOL CMOS_INV 528 128 R0
WINDOW 3 -32 96 Invisible 0
SYMATTR InstName U12
SYMBOL CMOS_NOR 304 128 R0
WINDOW 3 -32 112 Invisible 0
WINDOW 0 -21 64 Left 0
SYMATTR InstName U10
SYMBOL CMOS_NOR 320 448 R0
WINDOW 3 -86 115 Invisible 0
WINDOW 0 -22 66 Left 0
SYMATTR InstName U11
SYMBOL CMOS_NOR 528 528 R0
WINDOW 3 -86 115 Invisible 0
WINDOW 0 -23 66 Left 0
SYMATTR InstName U14
SYMBOL res 720 608 R0
SYMATTR InstName R1
SYMATTR Value 1g
SYMBOL res -560 112 R0
SYMATTR InstName R2
SYMATTR Value 1g
TEXT 144 656 Left 0 !.Param Vcc 15
TEXT -384 168 Left 0 ;14
TEXT -376 584 Left 0 ;3
TEXT -296 96 Left 0 ;2
TEXT 776 312 Left 0 ;13
TEXT 792 560 Left 0 ;1
TEXT -48 656 Left 0 !.tran 0 10m 0
TEXT 344 656 Left 0 !.option noopiter