Version 4
SHEET 1 8524 1604
WIRE 1968 -640 1920 -640
WIRE 2064 -640 2048 -640
WIRE 2704 -640 2064 -640
WIRE 1920 -608 1920 -640
WIRE 304 -592 272 -592
WIRE 720 -592 304 -592
WIRE 1872 -592 1760 -592
WIRE 2064 -592 2064 -640
WIRE 2704 -592 2704 -640
WIRE 2736 -592 2704 -592
WIRE 272 -560 272 -592
WIRE 720 -560 672 -560
WIRE 1760 -560 1760 -592
WIRE 2736 -560 2720 -560
WIRE 992 -544 896 -544
WIRE 1024 -544 992 -544
WIRE 1712 -544 1024 -544
WIRE 2960 -544 2912 -544
WIRE 2992 -544 2960 -544
WIRE 720 -528 496 -528
WIRE 2672 -528 2656 -528
WIRE 2736 -528 2672 -528
WIRE 1920 -512 1920 -528
WIRE 1712 -496 1680 -496
WIRE 272 -448 272 -480
WIRE 1680 -432 1680 -496
WIRE 496 -416 496 -528
WIRE 496 -400 496 -416
WIRE 2432 -400 2384 -400
WIRE 2528 -400 2512 -400
WIRE 2704 -400 2528 -400
WIRE 2384 -368 2384 -400
WIRE 2336 -352 2224 -352
WIRE 2528 -352 2528 -400
WIRE 2224 -320 2224 -352
WIRE 2704 -320 2704 -400
WIRE 2736 -320 2704 -320
WIRE 2176 -304 1440 -304
WIRE 2736 -288 2720 -288
WIRE 2384 -272 2384 -288
WIRE 2960 -272 2912 -272
WIRE 2992 -272 2960 -272
WIRE 496 -256 496 -320
WIRE 2176 -256 2128 -256
WIRE 2736 -256 2672 -256
WIRE 2128 -192 2128 -256
WIRE 288 -144 256 -144
WIRE 720 -144 288 -144
WIRE 256 -112 256 -144
WIRE 720 -112 672 -112
WIRE 992 -96 896 -96
WIRE 1440 -96 1440 -304
WIRE 1440 -96 992 -96
WIRE 512 -80 480 -80
WIRE 720 -80 512 -80
WIRE 256 0 256 -32
WIRE 1232 32 1120 32
WIRE 1344 32 1232 32
WIRE 1680 32 1680 -432
WIRE 1680 32 1600 32
WIRE 1792 32 1680 32
WIRE 2128 32 2128 -192
WIRE 2128 32 2048 32
WIRE 2240 32 2128 32
WIRE 1600 80 1600 32
WIRE 1680 80 1680 32
WIRE 1792 80 1792 32
WIRE 2048 80 2048 32
WIRE 2128 80 2128 32
WIRE 2240 80 2240 32
WIRE 1024 112 1024 -544
WIRE 1120 112 1120 32
WIRE 1344 112 1344 32
WIRE 1440 112 1440 -96
WIRE 1744 144 1728 144
WIRE 2016 144 1840 144
WIRE 2192 144 2176 144
WIRE 2320 144 2288 144
WIRE 992 240 976 240
WIRE 1312 240 1296 240
WIRE 304 256 304 224
WIRE 496 256 496 224
WIRE 1600 256 1600 240
WIRE 1680 256 1680 240
WIRE 1792 256 1792 240
WIRE 2048 256 2048 240
WIRE 2128 256 2128 240
WIRE 2240 256 2240 240
WIRE 1648 320 1648 144
WIRE 2096 320 2096 144
WIRE 2096 320 1648 320
WIRE 1744 352 1744 144
WIRE 1744 352 1440 352
WIRE 2192 352 2192 144
WIRE 2192 352 1744 352
WIRE 304 368 304 336
WIRE 496 368 496 336
WIRE 2016 384 2016 144
WIRE 2320 384 2320 144
WIRE 2320 384 2016 384
WIRE 1392 416 1392 400
WIRE 1440 416 1440 352
WIRE 1440 416 1392 416
WIRE 1456 416 1440 416
WIRE 1520 416 1504 416
WIRE 1072 464 1072 400
WIRE 1456 464 1072 464
WIRE 1568 464 1456 464
WIRE 1648 464 1648 320
WIRE 1648 464 1616 464
WIRE 304 496 304 464
WIRE 496 496 496 464
WIRE 1072 496 1072 464
WIRE 1392 496 1392 416
WIRE 1520 512 1520 416
WIRE 1600 512 1520 512
WIRE 1456 544 1456 464
WIRE 1600 544 1456 544
WIRE 1968 544 1952 544
WIRE 2016 544 2016 384
WIRE 304 608 304 576
WIRE 496 608 496 576
WIRE 336 864 288 864
WIRE 416 864 384 864
WIRE 512 864 496 864
WIRE 544 864 512 864
WIRE 608 864 592 864
WIRE 624 864 608 864
WIRE 512 912 512 864
FLAG 272 -448 0
FLAG 304 -592 Vinp
FLAG 1760 -480 0
FLAG 1920 -512 0
FLAG 1872 -544 0
FLAG 352 848 VDD
FLAG 288 864 clk
FLAG 496 -256 0
FLAG 496 -416 clk
FLAG 496 368 0
FLAG 496 224 VDD
FLAG 672 -560 0
FLAG 496 608 0
FLAG 496 464 VCM
FLAG 1296 240 clkd
FLAG 1472 240 VDD
FLAG 1616 192 VDD
FLAG 1696 192 VDD
FLAG 1472 400 VDD
FLAG 2720 -560 0
FLAG 2672 -528 clk
FLAG 1392 496 Digital_a
FLAG 560 848 VDD
FLAG 608 864 clkd
FLAG 512 976 0
FLAG 2064 -528 0
FLAG 256 0 0
FLAG 288 -144 Vinm
FLAG 512 -80 clk
FLAG 672 -112 0
FLAG 976 240 clkd
FLAG 1152 240 VDD
FLAG 304 608 0
FLAG 304 464 VCMP
FLAG 1072 496 Digital_b
FLAG 1232 32 VCMP
FLAG 1808 192 VDD
FLAG 1776 464 VDD
FLAG 1792 256 VCM_half
FLAG 2064 192 VDD
FLAG 2144 192 VDD
FLAG 2256 192 VDD
FLAG 2240 256 VCM_half
FLAG 2224 -240 0
FLAG 2384 -272 0
FLAG 2336 -304 0
FLAG 2528 -288 0
FLAG 2720 -288 0
FLAG 2672 -256 clk
FLAG 992 -544 vin2p
FLAG 992 -96 vin2m
FLAG 1984 528 VDD
FLAG 1584 448 VDD
FLAG 1600 256 0
FLAG 2048 256 VCM
FLAG 304 368 0
FLAG 304 224 VCM_half
FLAG 1680 256 VCM
FLAG 2128 256 0
FLAG 2960 -544 analog_outp
FLAG 2960 -272 analog_outm
FLAG 1680 -432 vsubp
FLAG 2128 -192 vsubm
SYMBOL e 1760 -576 R0
WINDOW 0 42 40 Left 0
WINDOW 3 45 74 Left 0
SYMATTR InstName E1
SYMATTR Value 1
SYMBOL e 1920 -624 R0
WINDOW 0 38 39 Left 0
WINDOW 3 42 76 Left 0
SYMATTR InstName E2
SYMATTR Value 2
SYMBOL inverter 336 864 R0
SYMATTR InstName X6
SYMBOL voltage 496 -416 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -85 257 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vclk
SYMATTR Value PULSE(0 5 5n 100p 100p 4.9n 10n)
SYMBOL voltage 496 240 R0
WINDOW 0 36 42 Left 0
WINDOW 3 44 15 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VDD
SYMATTR Value 5
SYMBOL SpecialFunctions\\sample 800 -560 R0
WINDOW 3 -28 112 Left 0
SYMATTR Value REF=2.5
SYMATTR InstName A1
SYMBOL voltage 496 480 R0
WINDOW 0 36 42 Left 0
WINDOW 3 44 15 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCM
SYMATTR Value 2.5
SYMBOL Ideal_clocked_comparator 1392 160 R90
SYMATTR InstName X1
SYMBOL switch_1 1664 80 R90
SYMATTR InstName X2
SYMBOL switch_1 1584 80 R90
SYMATTR InstName X3
SYMBOL inverter 1456 416 R0
SYMATTR InstName X4
SYMBOL SpecialFunctions\\sample 2816 -560 R0
WINDOW 3 -28 112 Left 0
SYMATTR Value REF=2.5
SYMATTR InstName A2
SYMBOL inverter 544 864 R0
SYMATTR InstName X18
SYMBOL res 512 848 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 500
SYMBOL cap 496 912 R0
WINDOW 3 41 37 Left 0
SYMATTR Value 1p
SYMATTR InstName C1
SYMBOL res 2064 -656 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL cap 2048 -592 R0
WINDOW 3 41 37 Left 0
SYMATTR Value 1p
SYMATTR InstName C2
SYMBOL SpecialFunctions\\sample 800 -112 R0
WINDOW 3 -28 112 Left 0
SYMATTR Value REF=2.5
SYMATTR InstName A4
SYMBOL Ideal_clocked_comparator 1072 160 R90
SYMATTR InstName X19
SYMBOL voltage 304 480 R0
WINDOW 0 36 42 Left 0
WINDOW 3 44 15 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCMP1
SYMATTR Value 1.875
SYMBOL Ideal_NAND_2 1552 560 R0
SYMATTR InstName X23
SYMBOL switch_1 1776 80 R90
SYMATTR InstName X24
SYMBOL switch_1 2112 80 R90
SYMATTR InstName X26
SYMBOL switch_1 2032 80 R90
SYMATTR InstName X27
SYMBOL switch_1 2224 80 R90
SYMATTR InstName X28
SYMBOL e 2224 -336 R0
WINDOW 0 42 40 Left 0
WINDOW 3 45 74 Left 0
SYMATTR InstName E5
SYMATTR Value 1
SYMBOL e 2384 -384 R0
WINDOW 0 38 39 Left 0
WINDOW 3 42 76 Left 0
SYMATTR InstName E6
SYMATTR Value 2
SYMBOL res 2528 -416 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL cap 2512 -352 R0
WINDOW 3 41 37 Left 0
SYMATTR Value 1p
SYMATTR InstName C4
SYMBOL SpecialFunctions\\sample 2816 -288 R0
WINDOW 3 -28 112 Left 0
SYMATTR Value REF=2.5
SYMATTR InstName A5
SYMBOL inverter 1968 544 R0
SYMATTR InstName X8
SYMBOL inverter 1568 464 R0
SYMATTR InstName X13
SYMBOL voltage 304 240 R0
WINDOW 0 36 42 Left 0
WINDOW 3 44 15 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCM1
SYMATTR Value 1.25V
SYMBOL voltage 272 -576 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -73 165 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vin3
SYMATTR Value PWL(0n 1.5V 11n 1.5V 12n 2.5V 21n 2.5V 22n 3.5V)
SYMBOL voltage 256 -128 R0
WINDOW 0 36 42 Left 0
WINDOW 3 -73 165 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vin1
SYMATTR Value PWL(0n 3.5V 11n 3.5V 12n 2.5V 21n 2.5V 22n 1.5V)
TEXT 240 712 Left 0 !.tran 0 45n 0 .1n uic