
5.86 | Chapter 5
Figure 5.88(b) gives four-variable K-map for function b. One octet and two quads are
formed: {0, 1, 2, 3, 8, 9, 10, 11}, {0, 4, 8, 12} and {3, 7, 11, 15}. The logic expression is given
below.
bd dddddd dd(,,,)
=+ + (5.142)
Figure 5.88(c) gives four-variable K-map for function c. Three octet are formed: {0, 1, 4, 5, 8,
9, 12, 13}, {1, 3, 5, 7, 9, 11, 13, 15} and {4, 5, 6, 7, 12, 13, 14, 15}. The logic expression is given
below.
cd dddd
(,,,)
=++ (5.143)
Figure 5.88(d) gives four-variable K-map for function d. One pair and three quads are
formed: {5, 13}, {0, 2, 8, 10}, {2, 3, 10, 11} and {2, 6, 10, 14}. The ...