Version 4
SHEET 1 1596 1136
WIRE -1120 -112 -1136 -112
WIRE -864 -112 -896 -112
WIRE -608 -112 -640 -112
WIRE -352 -112 -384 -112
WIRE -96 -112 -128 -112
WIRE 160 -112 128 -112
WIRE 416 -112 384 -112
WIRE 672 -112 640 -112
WIRE 928 -112 896 -112
WIRE -1120 -80 -1136 -80
WIRE -864 -80 -896 -80
WIRE -608 -80 -640 -80
WIRE -352 -80 -384 -80
WIRE -96 -80 -128 -80
WIRE 160 -80 128 -80
WIRE 416 -80 384 -80
WIRE 672 -80 640 -80
WIRE 928 -80 896 -80
WIRE -1120 -48 -1136 -48
WIRE -864 -48 -896 -48
WIRE -608 -48 -640 -48
WIRE -352 -48 -384 -48
WIRE -96 -48 -128 -48
WIRE 160 -48 128 -48
WIRE 416 -48 384 -48
WIRE 672 -48 640 -48
WIRE 928 -48 896 -48
WIRE -1120 -16 -1136 -16
WIRE -864 -16 -896 -16
WIRE -608 -16 -640 -16
WIRE -352 -16 -384 -16
WIRE -96 -16 -128 -16
WIRE 160 -16 128 -16
WIRE 416 -16 384 -16
WIRE 672 -16 640 -16
WIRE 928 -16 896 -16
WIRE 1488 64 1392 64
WIRE 1392 128 1392 64
WIRE 1248 208 1216 208
WIRE 1488 224 1440 224
WIRE 1248 240 1216 240
WIRE 960 256 960 224
WIRE -1120 272 -1152 272
WIRE -864 272 -896 272
WIRE -608 272 -640 272
WIRE -352 272 -384 272
WIRE -96 272 -128 272
WIRE 160 272 128 272
WIRE 416 272 384 272
WIRE 672 272 640 272
WIRE 912 272 896 272
WIRE 944 272 912 272
WIRE 1008 272 992 272
WIRE 960 288 960 256
WIRE -1120 304 -1152 304
WIRE -864 304 -896 304
WIRE -608 304 -640 304
WIRE -352 304 -384 304
WIRE -96 304 -128 304
WIRE 160 304 128 304
WIRE 416 304 384 304
WIRE 672 304 640 304
WIRE 912 304 896 304
WIRE 944 304 912 304
WIRE 1008 304 992 304
WIRE 960 320 960 288
WIRE -1120 336 -1152 336
WIRE -864 336 -896 336
WIRE -608 336 -640 336
WIRE -352 336 -384 336
WIRE -96 336 -128 336
WIRE 160 336 128 336
WIRE 416 336 384 336
WIRE 672 336 640 336
WIRE 912 336 896 336
WIRE 944 336 912 336
WIRE 1008 336 992 336
WIRE 960 352 960 320
WIRE -1120 368 -1152 368
WIRE -864 368 -896 368
WIRE -608 368 -640 368
WIRE -352 368 -384 368
WIRE -96 368 -128 368
WIRE 160 368 128 368
WIRE 416 368 384 368
WIRE 672 368 640 368
WIRE 912 368 896 368
WIRE 944 368 912 368
WIRE 1008 368 992 368
WIRE 1392 384 1392 320
WIRE 1264 464 1232 464
WIRE 1264 496 1232 496
WIRE 1504 512 1472 512
WIRE 1264 528 1232 528
WIRE 1504 544 1472 544
WIRE 1264 560 1232 560
WIRE 1504 576 1472 576
WIRE 1264 592 1232 592
WIRE -608 608 -640 608
WIRE -352 608 -384 608
WIRE -96 608 -128 608
WIRE 160 608 128 608
WIRE 416 608 384 608
WIRE 928 608 896 608
WIRE 1504 608 1472 608
WIRE 1264 624 1232 624
WIRE -896 640 -896 624
WIRE -864 640 -896 640
WIRE -608 640 -608 608
WIRE -352 640 -352 608
WIRE -96 640 -96 608
WIRE 160 640 160 608
WIRE 416 640 416 608
WIRE 640 640 640 608
WIRE 672 640 640 640
WIRE -1120 656 -1136 656
WIRE 1264 656 1232 656
WIRE 1264 688 1232 688
WIRE -608 896 -640 896
WIRE -352 896 -384 896
WIRE -96 896 -128 896
WIRE 160 896 128 896
WIRE 416 896 384 896
WIRE 912 896 896 896
WIRE 944 896 912 896
WIRE -896 928 -896 912
WIRE -864 928 -896 928
WIRE -608 928 -608 896
WIRE -352 928 -352 896
WIRE -96 928 -96 896
WIRE 160 928 160 896
WIRE 416 928 416 896
WIRE 640 928 640 896
WIRE 672 928 640 928
WIRE -1120 944 -1152 944
FLAG -1008 -192 VDD
IOPIN -1008 -192 In
FLAG -1008 48 Clock
IOPIN -1008 48 In
FLAG -1136 -112 B3
IOPIN -1136 -112 In
FLAG -1136 -80 B2
IOPIN -1136 -80 In
FLAG -1136 -48 B1
IOPIN -1136 -48 In
FLAG -1136 -16 B0
IOPIN -1136 -16 In
FLAG 912 272 B3D
FLAG 912 304 B2D
FLAG 912 336 B1D
FLAG 912 368 B0D
FLAG 1008 368 B0Di
FLAG 1008 336 B1Di
FLAG 1008 304 B2Di
FLAG 1008 272 B3Di
FLAG 1328 384 VDD
FLAG 1488 64 S5
IOPIN 1488 64 Out
FLAG 1504 512 S3
IOPIN 1504 512 Out
FLAG 1504 544 S2
IOPIN 1504 544 Out
FLAG 1504 576 S1
IOPIN 1504 576 Out
FLAG 1504 608 S0
IOPIN 1504 608 Out
FLAG 1392 752 VDD
FLAG 1216 240 B4
FLAG 1232 496 B3
FLAG 1232 560 B2
FLAG 1232 624 B1
FLAG 1232 688 B0
FLAG 1232 656 B0Di
FLAG 1232 592 B1Di
FLAG 1232 528 B2Di
FLAG 1232 464 B3Di
FLAG 1216 208 B4Di
FLAG 928 -16 I0
FLAG 928 -48 I1
FLAG 928 -80 I2
FLAG 928 -112 I3
FLAG -1152 368 I0
FLAG -1152 336 I1
FLAG -1152 304 I2
FLAG -1152 272 I3
FLAG -752 -192 VDD
FLAG -752 48 Clock
FLAG -496 -192 VDD
FLAG -496 48 Clock
FLAG -240 -192 VDD
FLAG -240 48 Clock
FLAG 16 -192 VDD
FLAG 16 48 Clock
FLAG 272 -192 VDD
FLAG 272 48 Clock
FLAG 528 -192 VDD
FLAG 528 48 Clock
FLAG 784 -192 VDD
FLAG 784 48 Clock
FLAG -1008 192 VDD
FLAG -1008 432 Clock
FLAG -752 192 VDD
FLAG -752 432 Clock
FLAG -496 192 VDD
FLAG -496 432 Clock
FLAG -240 192 VDD
FLAG -240 432 Clock
FLAG 16 192 VDD
FLAG 16 432 Clock
FLAG 272 192 VDD
FLAG 272 432 Clock
FLAG 528 192 VDD
FLAG 528 432 Clock
FLAG 784 192 VDD
FLAG 784 432 Clock
FLAG 1296 128 VDD
FLAG 1488 224 S4
IOPIN 1488 224 Out
FLAG -1136 656 B4
IOPIN -1136 656 In
FLAG -1008 576 VDD
FLAG -1008 736 Clock
FLAG -752 560 VDD
FLAG -752 720 Clock
FLAG -496 560 VDD
FLAG -496 720 Clock
FLAG -240 560 VDD
FLAG -240 720 Clock
FLAG 16 560 VDD
FLAG 16 720 Clock
FLAG 272 560 VDD
FLAG 272 720 Clock
FLAG 528 560 VDD
FLAG 528 720 Clock
FLAG 784 560 VDD
FLAG 784 720 Clock
FLAG 928 608 I4
FLAG -1008 864 VDD
FLAG -1008 1024 Clock
FLAG -752 848 VDD
FLAG -752 1008 Clock
FLAG -496 848 VDD
FLAG -496 1008 Clock
FLAG -240 848 VDD
FLAG -240 1008 Clock
FLAG 16 848 VDD
FLAG 16 1008 Clock
FLAG 272 848 VDD
FLAG 272 1008 Clock
FLAG 528 848 VDD
FLAG 528 1008 Clock
FLAG 784 848 VDD
FLAG 784 1008 Clock
FLAG 912 896 B4D
FLAG -1152 944 I4
FLAG 960 224 VDD
FLAG 992 896 B4Di
FLAG 960 880 VDD
SYMBOL 4_bit_adder 1296 720 R0
SYMATTR InstName X19
SYMBOL 4_bit_register -1088 16 R0
SYMATTR InstName X20
SYMBOL 4_bit_register -832 16 R0
SYMATTR InstName X24
SYMBOL 4_bit_register -576 16 R0
SYMATTR InstName X25
SYMBOL 4_bit_register -320 16 R0
SYMATTR InstName X26
SYMBOL 4_bit_register -1088 400 R0
SYMATTR InstName X27
SYMBOL 4_bit_register -832 400 R0
SYMATTR InstName X28
SYMBOL 4_bit_register -576 400 R0
SYMATTR InstName X29
SYMBOL 4_bit_register -320 400 R0
SYMATTR InstName X30
SYMBOL 4_bit_register -64 16 R0
SYMATTR InstName X31
SYMBOL 4_bit_register 192 16 R0
SYMATTR InstName X32
SYMBOL 4_bit_register 448 16 R0
SYMATTR InstName X33
SYMBOL 4_bit_register 704 16 R0
SYMATTR InstName X34
SYMBOL 4_bit_register 704 400 R0
SYMATTR InstName X35
SYMBOL 4_bit_register 448 400 R0
SYMATTR InstName X36
SYMBOL 4_bit_register 192 400 R0
SYMATTR InstName X37
SYMBOL 4_bit_register -64 400 R0
SYMATTR InstName X38
SYMBOL Adderbit 1264 304 R0
SYMATTR InstName X3
SYMBOL DFF -1088 704 R0
SYMATTR InstName X6
SYMBOL DFF -832 688 R0
SYMATTR InstName X7
SYMBOL DFF -576 688 R0
SYMATTR InstName X8
SYMBOL DFF -320 688 R0
SYMATTR InstName X9
SYMBOL DFF -64 688 R0
SYMATTR InstName X10
SYMBOL DFF 192 688 R0
SYMATTR InstName X11
SYMBOL DFF 448 688 R0
SYMATTR InstName X12
SYMBOL DFF 704 688 R0
SYMATTR InstName X13
SYMBOL DFF -1088 992 R0
SYMATTR InstName X14
SYMBOL DFF -832 976 R0
SYMATTR InstName X21
SYMBOL DFF -576 976 R0
SYMATTR InstName X22
SYMBOL DFF -320 976 R0
SYMATTR InstName X23
SYMBOL DFF -64 976 R0
SYMATTR InstName X39
SYMBOL DFF 192 976 R0
SYMATTR InstName X40
SYMBOL DFF 448 976 R0
SYMATTR InstName X41
SYMBOL DFF 704 976 R0
SYMATTR InstName X42
SYMBOL inverter 944 272 R0
SYMATTR InstName X1
SYMBOL inverter 944 304 R0
SYMATTR InstName X2
SYMBOL inverter 944 336 R0
SYMATTR InstName X4
SYMBOL inverter 944 368 R0
SYMATTR InstName X5
SYMBOL inverter 944 896 R0
SYMATTR InstName X15