Version 4 SHEET 1 1324 932 WIRE 368 -992 336 -992 WIRE 256 -976 176 -976 WIRE 608 -976 560 -976 WIRE 176 -960 176 -976 WIRE 368 -960 336 -960 WIRE 48 -880 16 -880 WIRE 256 -880 256 -976 WIRE 512 -880 256 -880 WIRE 48 -848 16 -848 WIRE 48 -816 16 -816 WIRE 48 -784 16 -784 WIRE -640 -752 -672 -752 WIRE -384 -752 -416 -752 WIRE -368 -752 -384 -752 WIRE -128 -752 -144 -752 WIRE 48 -752 16 -752 WIRE 288 -752 256 -752 WIRE -640 -720 -672 -720 WIRE -384 -720 -416 -720 WIRE -368 -720 -384 -720 WIRE -128 -720 -144 -720 WIRE 48 -720 16 -720 WIRE 288 -720 256 -720 WIRE -640 -688 -672 -688 WIRE -384 -688 -416 -688 WIRE -368 -688 -384 -688 WIRE -128 -688 -144 -688 WIRE 48 -688 16 -688 WIRE 288 -688 256 -688 WIRE -640 -656 -672 -656 WIRE -384 -656 -416 -656 WIRE -368 -656 -384 -656 WIRE -128 -656 -144 -656 WIRE 48 -656 16 -656 WIRE 288 -656 256 -656 WIRE -640 -624 -672 -624 WIRE -384 -624 -416 -624 WIRE -368 -624 -384 -624 WIRE -128 -624 -144 -624 WIRE 48 -624 16 -624 WIRE 288 -624 256 -624 WIRE -640 -592 -672 -592 WIRE -384 -592 -416 -592 WIRE -368 -592 -384 -592 WIRE -128 -592 -144 -592 WIRE 48 -592 16 -592 WIRE 288 -592 256 -592 WIRE -640 -560 -672 -560 WIRE -384 -560 -416 -560 WIRE -368 -560 -384 -560 WIRE -128 -560 -144 -560 WIRE 48 -560 16 -560 WIRE 288 -560 256 -560 WIRE -640 -528 -672 -528 WIRE -384 -528 -416 -528 WIRE -368 -528 -384 -528 WIRE -128 -528 -144 -528 WIRE 48 -528 16 -528 WIRE 288 -528 256 -528 WIRE 48 -496 16 -496 WIRE 48 -464 16 -464 WIRE 48 -432 16 -432 WIRE 48 -400 16 -400 FLAG -528 -816 VDD FLAG -528 -464 clock FLAG 112 -960 VDD FLAG -672 -752 B7 IOPIN -672 -752 In FLAG -672 -720 B6 IOPIN -672 -720 In FLAG -672 -688 B5 IOPIN -672 -688 In FLAG -672 -656 B4 IOPIN -672 -656 In FLAG -672 -624 B3 IOPIN -672 -624 In FLAG -672 -592 B2 IOPIN -672 -592 In FLAG -672 -560 B1 IOPIN -672 -560 In FLAG -672 -528 B0 IOPIN -672 -528 In FLAG -384 -752 B7D FLAG -384 -720 B6D FLAG -384 -688 B5D FLAG -384 -656 B4D FLAG -384 -624 B3D FLAG -384 -592 B2D FLAG -384 -560 B1D FLAG -384 -528 B0D FLAG 288 -752 S7 IOPIN 288 -752 Out FLAG 288 -720 S6 IOPIN 288 -720 Out FLAG 288 -688 S5 IOPIN 288 -688 Out FLAG 288 -656 S4 IOPIN 288 -656 Out FLAG 288 -624 S3 IOPIN 288 -624 Out FLAG 288 -592 S2 IOPIN 288 -592 Out FLAG 288 -560 S1 IOPIN 288 -560 Out FLAG 288 -528 S0 IOPIN 288 -528 Out FLAG 608 -976 S8 IOPIN 608 -976 Out FLAG 176 -336 VDD FLAG -256 -816 VDD FLAG 16 -848 B7 FLAG 16 -784 B6 FLAG 16 -720 B5 FLAG 16 -656 B4 FLAG 16 -592 B3 FLAG 16 -528 B2 FLAG 16 -464 B1 FLAG 16 -400 B0 FLAG -128 -528 B0Di FLAG 16 -432 B0Di FLAG 16 -496 B1Di FLAG -128 -560 B1Di FLAG -128 -592 B2Di FLAG 16 -560 B2Di FLAG -128 -624 B3Di FLAG 16 -624 B3Di FLAG -128 -656 B4Di FLAG 16 -688 B4Di FLAG -128 -688 B5Di FLAG 16 -752 B5Di FLAG -128 -720 B6Di FLAG -128 -752 B7Di FLAG 16 -880 B7Di FLAG 16 -816 B6Di FLAG 336 -960 B7 FLAG 336 -992 B7Di FLAG 416 -1072 VDD SYMBOL 8_bit_register -608 -496 R0 SYMATTR InstName X8 SYMBOL 8_bit_adder 80 -368 R0 SYMATTR InstName X4 SYMBOL 8_bit_Inverter -336 -496 R0 SYMATTR InstName X1 SYMBOL Adderbit 384 -896 R0 SYMATTR InstName X2 TEXT -280 -264 Left 0 ;For subtraction we tie the carry input high and complement the word we\nare subtracting (here the delayed word). TEXT -416 -400 Left 0 ;Implements the function 1-z^-1\nSee Figure 1.19