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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
374 CHAPTER 8 / ARITHMETIC DEVICES AND ARITHMETIC LOGIC UNITS (ALUs)
FIGURE 8.43
Requirements of a split-rail sum and carry system. (a) Truth table for sum and carry partitions. (b)
EV K-maps plotted from the truth table in (a).
With these definitions in mind and by referring to Subsection 8.2.2 for the full adder,
the carry partitions in the truth table of Fig. 8.43 can be understood. The dual-rail sum and
carry-outs in Fig. 8.43a are plotted in the EV K-maps of Fig. 8.43b. From these K-maps
there results the dual-rail carry-out expressions for the J th stage,
C
out
1 = (A B)C
in
1 + AB
C
out
0 = (A B)C
in
0 +
¯
A
¯
B
. (8.25)
Now, it is necessary to introduce ...
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Publisher Resources

ISBN: 9780126912951