Version 4
SHEET 1 1692 932
WIRE 896 -336 816 -336
WIRE 816 -320 816 -336
WIRE 992 -256 960 -256
WIRE 688 -240 656 -240
WIRE 1216 -240 1184 -240
WIRE 992 -224 960 -224
WIRE 688 -208 656 -208
WIRE 688 -176 656 -176
WIRE 688 -144 656 -144
WIRE 896 -144 896 -336
WIRE 1136 -144 896 -144
WIRE -544 -128 -576 -128
WIRE -288 -128 -320 -128
WIRE 0 -128 -64 -128
WIRE 256 -128 224 -128
WIRE 272 -128 256 -128
WIRE 688 -112 656 -112
WIRE 928 -112 896 -112
WIRE -544 -96 -576 -96
WIRE -288 -96 -320 -96
WIRE 0 -96 -64 -96
WIRE 256 -96 224 -96
WIRE 272 -96 256 -96
WIRE 688 -80 656 -80
WIRE 928 -80 896 -80
WIRE -544 -64 -576 -64
WIRE -288 -64 -320 -64
WIRE 0 -64 -64 -64
WIRE 256 -64 224 -64
WIRE 272 -64 256 -64
WIRE 688 -48 656 -48
WIRE 928 -48 896 -48
WIRE -544 -32 -576 -32
WIRE -288 -32 -320 -32
WIRE 0 -32 -64 -32
WIRE 256 -32 224 -32
WIRE 272 -32 256 -32
WIRE 688 -16 656 -16
WIRE 928 -16 896 -16
WIRE -544 0 -576 0
WIRE -288 0 -320 0
WIRE 0 0 -64 0
WIRE 256 0 224 0
WIRE 272 0 256 0
WIRE 688 16 656 16
WIRE 928 16 896 16
WIRE -544 32 -576 32
WIRE -288 32 -320 32
WIRE 0 32 -64 32
WIRE 256 32 224 32
WIRE 272 32 256 32
WIRE 688 48 656 48
WIRE 928 48 896 48
WIRE -544 64 -576 64
WIRE -288 64 -320 64
WIRE 0 64 -64 64
WIRE 256 64 224 64
WIRE 272 64 256 64
WIRE 688 80 656 80
WIRE 928 80 896 80
WIRE -544 96 -576 96
WIRE -288 96 -320 96
WIRE 0 96 -64 96
WIRE 256 96 224 96
WIRE 272 96 256 96
WIRE 688 112 656 112
WIRE 928 112 896 112
WIRE 688 144 656 144
WIRE 688 176 656 176
WIRE 688 208 656 208
WIRE 688 240 656 240
FLAG -432 -192 VDD
IOPIN -432 -192 In
FLAG -176 -192 VDD
FLAG 112 -192 VDD
FLAG -432 160 Clock
IOPIN -432 160 In
FLAG -176 160 clock
FLAG 112 160 clock
FLAG 752 -320 VDD
FLAG -576 -128 B7
IOPIN -576 -128 In
FLAG -576 -96 B6
IOPIN -576 -96 In
FLAG -576 -64 B5
IOPIN -576 -64 In
FLAG -576 -32 B4
IOPIN -576 -32 In
FLAG -576 0 B3
IOPIN -576 0 In
FLAG -576 32 B2
IOPIN -576 32 In
FLAG -576 64 B1
IOPIN -576 64 In
FLAG -576 96 B0
IOPIN -576 96 In
FLAG 256 -128 B7D
FLAG 256 -96 B6D
FLAG 256 -64 B5D
FLAG 256 -32 B4D
FLAG 256 0 B3D
FLAG 256 32 B2D
FLAG 256 64 B1D
FLAG 256 96 B0D
FLAG 928 -112 S7
IOPIN 928 -112 Out
FLAG 928 -80 S6
IOPIN 928 -80 Out
FLAG 928 -48 S5
IOPIN 928 -48 Out
FLAG 928 -16 S4
IOPIN 928 -16 Out
FLAG 928 16 S3
IOPIN 928 16 Out
FLAG 928 48 S2
IOPIN 928 48 Out
FLAG 928 80 S1
IOPIN 928 80 Out
FLAG 928 112 S0
IOPIN 928 112 Out
FLAG 816 304 VDD
FLAG 384 -192 VDD
FLAG 656 -208 B7
FLAG 656 -144 B6
FLAG 656 -80 B5
FLAG 656 -16 B4
FLAG 656 48 B3
FLAG 656 112 B2
FLAG 656 176 B1
FLAG 656 240 B0
FLAG 496 96 B0Di
FLAG 656 208 B0Di
FLAG 656 144 B1Di
FLAG 496 64 B1Di
FLAG 496 32 B2Di
FLAG 656 80 B2Di
FLAG 496 0 B3Di
FLAG 656 16 B3Di
FLAG 496 -32 B4Di
FLAG 656 -48 B4Di
FLAG 496 -64 B5Di
FLAG 656 -112 B5Di
FLAG 496 -96 B6Di
FLAG 496 -128 B7Di
FLAG 656 -240 B7Di
FLAG 656 -176 B6Di
FLAG 1216 -240 S8
IOPIN 1216 -240 Out
FLAG 960 -224 B7
FLAG 960 -256 B7Di
FLAG 1040 -336 VDD
SYMBOL 8_bit_register -512 128 R0
SYMATTR InstName X1
SYMBOL 8_bit_register -256 128 R0
SYMATTR InstName X2
SYMBOL 8_bit_register 32 128 R0
SYMATTR InstName X8
SYMBOL 8_bit_adder 720 272 R0
SYMATTR InstName X4
SYMBOL 8_bit_Inverter 304 128 R0
SYMATTR InstName X3
SYMBOL Adderbit 1008 -160 R0
SYMATTR InstName X5
TEXT 376 376 Left 0 ;For subtraction we tie the carry input high and complement the word we\nare subtracting (here the delayed word).
TEXT 264 256 Left 0 ;Implements the function 1-z^-3\nSee Figure 1.25