Multiplexers

• 2n data inputs; n control inputs (called "selects"); 1 output

• Device connects one of 2n inputs to the single output

  • “Selects” decide which input is connected to the output

I0I1I2I3I4I5I6I7

S0 S1 S2

8:1mux

Z

I0I1I2I3

S0 S1

4:1mux

Z

I0I1

S0

2:1mux

Z

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