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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
5.11 K-MAP SUBFUNCTION PARTITIONING FOR COMBINED CRMT 225
for function F and
H = D C B AD =
¯
AD C B (5.63)
for function H . Then, combining an optimum set of shared EXSOP terms results in the
expressions
F = [B
¯
AD] A
¯
B AC
¯
D B
¯
CD
H =[B
¯
AD] C
. (5.64)
This is a four-level system having a total gate/input tally of 9/20, including shared term
B
¯
AD.
Comparing results in Eqs. (5.60), (5.61), and (5.64) with those for the minimized CRMT
forms in Eqs. (5.59) clearly shows that the CRMT method is competitive with the K-map and
two-level minimization methods and illustrates the advantage of simplicity that the CRMT
minimization approach has over that of the EXSOP minimization as a pencil-and-paper
method.
5.11 K-MAP SUBFUNCTION PARTITIONING ...
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Publisher Resources

ISBN: 9780126912951