Write the logic equation for the output of an 8to1 MUX with

Write the logic equation for the output of an 8-to-1 MUX with control inputs B, C, and D.

Solution

Ans) Let the 8 inputs to the Multiplexer be m₁,m₂,m₃,m₄,m₅,m₆,m₇,m₈

then output y is given by

y=m₁A\'B\'C\'+m₂A\'B\'C+m₃A\'BC\'+m₄A\'BC+m₅AB\'C\'+m₆AB\'C+m₇ABC\'+m₈ABC