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Engineering Digital Design
book

Engineering Digital Design

by Richard F. Tinder
January 2000
Intermediate to advanced content levelIntermediate to advanced
884 pages
29h 39m
English
Academic Press
Content preview from Engineering Digital Design
278 CHAPTER 6 / NONARITHMETIC COMBINATIONAL LOGIC DEVICES
Notice that in Fig. 6.38 the control variable D is missing, meaning that D = 0 for left
shifting. Had the variable D been included for left or right shifting/rotating, fourth-order
EV K-maps and 16-to-1 MUXs would have to be used if the architecture of Fig. 6.38 were
to be retained. Also note that this shifter can be cascaded by connecting Y
3
(H) of one stage
to F(H) of the next most significant stage, etc.
6.9 STEERING LOGIC AND TRI-STATE GATE APPLICATIONS
Any of the combinational logic devices discussed to this point can be designed by using
transmission gates together with inverters. When
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Publisher Resources

ISBN: 9780126912951