Version 4
SHEET 1 1324 932
WIRE 304 -1008 224 -1008
WIRE 224 -992 224 -1008
WIRE 400 -928 368 -928
WIRE 96 -912 64 -912
WIRE 624 -912 592 -912
WIRE 400 -896 368 -896
WIRE 96 -880 64 -880
WIRE 96 -848 64 -848
WIRE 96 -816 64 -816
WIRE 304 -816 304 -1008
WIRE 544 -816 304 -816
WIRE 96 -784 64 -784
WIRE 336 -784 304 -784
WIRE 96 -752 64 -752
WIRE 336 -752 304 -752
WIRE 96 -720 64 -720
WIRE 336 -720 304 -720
WIRE 96 -688 64 -688
WIRE 336 -688 304 -688
WIRE 96 -656 64 -656
WIRE 336 -656 304 -656
WIRE 96 -624 64 -624
WIRE 336 -624 304 -624
WIRE 96 -592 64 -592
WIRE 336 -592 304 -592
WIRE 96 -560 64 -560
WIRE 336 -560 304 -560
WIRE 96 -528 64 -528
WIRE 96 -496 64 -496
WIRE 96 -464 64 -464
WIRE 96 -432 64 -432
WIRE -1056 -144 -1088 -144
WIRE -800 -144 -832 -144
WIRE -544 -144 -576 -144
WIRE -288 -144 -320 -144
WIRE -32 -144 -64 -144
WIRE 224 -144 192 -144
WIRE 480 -144 448 -144
WIRE 736 -144 704 -144
WIRE 992 -144 960 -144
WIRE 1008 -144 992 -144
WIRE -1056 -112 -1088 -112
WIRE -800 -112 -832 -112
WIRE -544 -112 -576 -112
WIRE -288 -112 -320 -112
WIRE -32 -112 -64 -112
WIRE 224 -112 192 -112
WIRE 480 -112 448 -112
WIRE 736 -112 704 -112
WIRE 992 -112 960 -112
WIRE 1008 -112 992 -112
WIRE -1056 -80 -1088 -80
WIRE -800 -80 -832 -80
WIRE -544 -80 -576 -80
WIRE -288 -80 -320 -80
WIRE -32 -80 -64 -80
WIRE 224 -80 192 -80
WIRE 480 -80 448 -80
WIRE 736 -80 704 -80
WIRE 992 -80 960 -80
WIRE 1008 -80 992 -80
WIRE -1056 -48 -1088 -48
WIRE -800 -48 -832 -48
WIRE -544 -48 -576 -48
WIRE -288 -48 -320 -48
WIRE -32 -48 -64 -48
WIRE 224 -48 192 -48
WIRE 480 -48 448 -48
WIRE 736 -48 704 -48
WIRE 992 -48 960 -48
WIRE 1008 -48 992 -48
WIRE -1056 -16 -1088 -16
WIRE -800 -16 -832 -16
WIRE -544 -16 -576 -16
WIRE -288 -16 -320 -16
WIRE -32 -16 -64 -16
WIRE 224 -16 192 -16
WIRE 480 -16 448 -16
WIRE 736 -16 704 -16
WIRE 992 -16 960 -16
WIRE 1008 -16 992 -16
WIRE -1056 16 -1088 16
WIRE -800 16 -832 16
WIRE -544 16 -576 16
WIRE -288 16 -320 16
WIRE -32 16 -64 16
WIRE 224 16 192 16
WIRE 480 16 448 16
WIRE 736 16 704 16
WIRE 992 16 960 16
WIRE 1008 16 992 16
WIRE -1056 48 -1088 48
WIRE -800 48 -832 48
WIRE -544 48 -576 48
WIRE -288 48 -320 48
WIRE -32 48 -64 48
WIRE 224 48 192 48
WIRE 480 48 448 48
WIRE 736 48 704 48
WIRE 992 48 960 48
WIRE 1008 48 992 48
WIRE -1056 80 -1088 80
WIRE -800 80 -832 80
WIRE -544 80 -576 80
WIRE -288 80 -320 80
WIRE -32 80 -64 80
WIRE 224 80 192 80
WIRE 480 80 448 80
WIRE 736 80 704 80
WIRE 992 80 960 80
WIRE 1008 80 992 80
FLAG -944 -208 VDD
IOPIN -944 -208 In
FLAG -688 -208 VDD
FLAG -432 -208 VDD
FLAG -176 -208 VDD
FLAG 80 -208 VDD
FLAG 336 -208 VDD
FLAG 592 -208 VDD
FLAG 848 -208 VDD
FLAG -944 144 Clock
IOPIN -944 144 In
FLAG -688 144 clock
FLAG -432 144 clock
FLAG -176 144 clock
FLAG 80 144 clock
FLAG 336 144 clock
FLAG 592 144 clock
FLAG 848 144 clock
FLAG -1088 -144 B7
IOPIN -1088 -144 In
FLAG -1088 -112 B6
IOPIN -1088 -112 In
FLAG -1088 -80 B5
IOPIN -1088 -80 In
FLAG -1088 -48 B4
IOPIN -1088 -48 In
FLAG -1088 -16 B3
IOPIN -1088 -16 In
FLAG -1088 16 B2
IOPIN -1088 16 In
FLAG -1088 48 B1
IOPIN -1088 48 In
FLAG -1088 80 B0
IOPIN -1088 80 In
FLAG 992 -144 B7D
FLAG 992 -112 B6D
FLAG 992 -80 B5D
FLAG 992 -48 B4D
FLAG 992 -16 B3D
FLAG 992 16 B2D
FLAG 992 48 B1D
FLAG 992 80 B0D
FLAG -288 -864 VDD
FLAG -400 -800 B7D
FLAG -400 -768 B6D
FLAG -400 -736 B5D
FLAG -400 -704 B4D
FLAG -400 -672 B3D
FLAG -400 -640 B2D
FLAG -400 -608 B1D
FLAG -400 -576 B0D
FLAG -176 -576 B0Di
FLAG -176 -608 B1Di
FLAG -176 -640 B2Di
FLAG -176 -672 B3Di
FLAG -176 -704 B4Di
FLAG -176 -736 B5Di
FLAG -176 -768 B6Di
FLAG -176 -800 B7Di
FLAG 160 -992 VDD
FLAG 336 -784 S7
IOPIN 336 -784 Out
FLAG 336 -752 S6
IOPIN 336 -752 Out
FLAG 336 -720 S5
IOPIN 336 -720 Out
FLAG 336 -688 S4
IOPIN 336 -688 Out
FLAG 336 -656 S3
IOPIN 336 -656 Out
FLAG 336 -624 S2
IOPIN 336 -624 Out
FLAG 336 -592 S1
IOPIN 336 -592 Out
FLAG 336 -560 S0
IOPIN 336 -560 Out
FLAG 224 -368 VDD
FLAG 64 -880 B7
FLAG 64 -816 B6
FLAG 64 -752 B5
FLAG 64 -688 B4
FLAG 64 -624 B3
FLAG 64 -560 B2
FLAG 64 -496 B1
FLAG 64 -432 B0
FLAG 64 -464 B0Di
FLAG 64 -528 B1Di
FLAG 64 -592 B2Di
FLAG 64 -656 B3Di
FLAG 64 -720 B4Di
FLAG 64 -784 B5Di
FLAG 64 -912 B7Di
FLAG 64 -848 B6Di
FLAG 624 -912 S8
IOPIN 624 -912 Out
FLAG 368 -896 B7
FLAG 368 -928 B7Di
FLAG 448 -1008 VDD
SYMBOL 8_bit_register -1024 112 R0
SYMATTR InstName X1
SYMBOL 8_bit_register -768 112 R0
SYMATTR InstName X2
SYMBOL 8_bit_register -512 112 R0
SYMATTR InstName X3
SYMBOL 8_bit_register -256 112 R0
SYMATTR InstName X4
SYMBOL 8_bit_register 0 112 R0
SYMATTR InstName X5
SYMBOL 8_bit_register 256 112 R0
SYMATTR InstName X6
SYMBOL 8_bit_register 512 112 R0
SYMATTR InstName X7
SYMBOL 8_bit_register 768 112 R0
SYMATTR InstName X8
SYMBOL 8_bit_adder 128 -400 R0
SYMATTR InstName X19
SYMBOL 8_bit_inverter -368 -544 R0
SYMATTR InstName X21
SYMBOL Adderbit 416 -832 R0
SYMATTR InstName X9
TEXT 240 -376 Left 0 ;For subtraction we tie the carry input high and complement the word we\nare subtracting (here the delayed word).
TEXT 296 -456 Left 0 ;Implements the function 1-z^-8\nSee Figure 1.25