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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
218 CHAPTER 5 / FUNCTION MINIMIZATION
POS expression, a conventional (1’s and 0’s) K-map, or a truth table. The cell subfunctions
of the EV K-map become the f
i
coefficients in the CRMT form of Eq. (5.16) or (5.19).
Thus, the entered variables make up the free set. As a caveat, try to avoid bond sets that
generate f coefficients like ···Z(X +Y ) ···, since such coefficients do not produce simple
g coefficients. Note that an EV truth table, such as that in Fig. 8.26, will also suffice for the
purpose of the CRMT minimization method if the table-heading variables are taken as the
bond set variables.
Step 2. For the choice of bond set used, obtain a set of minimum CRMT g
i
coefficients
from Eq. (5.18) or (5.21) by using the EV K-map cell entries as the f
i
coef
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Publisher Resources

ISBN: 9780126912951