Show how to realize the following functions: X = ABD + A’C + B’D’ + C’D’ Y = A’C

Question

Show how to realize the following functions:
X = ABD + A’C + B’D’ + C’D’
Y = A’C + AD + C’D’
Z = CD + A’C + AB’D
using
a) PAL14L4 (14 inputs, 4 outputs, AND-NOR structure, each NOR has 4 AND gate
inputs)
b) PAL12H6 (12 inputs, 6 outputs, AND-OR structure, two output OR’s have 4 AND
gate inputs and four output OR’s have 2 AND gate inputs).
NOTE: you need to show only appropriate product terms used for PAL implementation
and explain whether these functions can be implemented using each PAL. (you do not
need to show the PAL diagram)

Explanation / Answer

3

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