Multiplexer/Selector

Generalization

n-1 Mux

control variables

single Mux

data variable

Four possible

configurations

of the truth table rows

Can be expressed as

a function of In, 0, 1

Example:

G(A,B,C,D) can be implemented by an 8:1 MUX:

K-map

Choose A,B,C

as control variables

Multiplexer

Implementation

TTL package efficient

May be gate inefficient

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