Analog demultiplexers, Analog devices multiplexer, analog multiplexer circuit

A multiplexer (also sometimes spelled as multiplexor) is a device that can select from several different input signals and transmit either one or more output signals. A demultiplexer is a device that can take a single signal carrying multiple payloads and divide it into several streams.  

https://www.futureelectronics.com/p/semiconductors--analog--multiplexer-demultiplexer/dg406dyz-renesas-2027770