OR-ing the correct set of outputs.

If X is the input and S is the selector, and A and B are the outputs:

List of ICs which provide demultiplexing

For 7400 series part numbers in the following table, where "x" is the logic family.

Bi-directional multiplexers

Bi-directional multiplexers are built using analog switches or transmission gates controlled by the select pins. This allows the