Cascading multiplexers

• Can form large multiplexers from smaller ones

  • …with implementation options

Z

4:1mux

S2

2:1mux

I4I5I6I7

S0 S1

4:1mux

S0

Z

S1 S2

4:1mux

2:1mux

2:1mux

2:1mux

2:1mux

I4I5

I2I3

I0I1

I6I7

8:1 mux

8:1 mux

I0I1I2I3

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