Experiment 4 - The 1-to-4 Demultiplexer

The 1-to-4 demultiplexer has one input (IN) as well as two selector input (A und B). With the selector input you switch the input to one of the four outputs (OUT0, OUT1, OUT2 and OUT3)...

Take a look at the truth table of a 1-to-4 demultiplexer...

With a few logic gates you build the 1-to-4 demultiplexer...

Circuit diagram 1-to-4 demultiplexer.

You understand the functionality of a 1-to-4 demultiplexer easily with a switch analogy...

Illustration switch analogy 1-to-4 demultiplexer.

Circuit symbol 1-to-4 demultiplexer.

With the circuit shown you build the 1-to-4 demultiplexer...

Circuit 1-to-4 demultiplexer. (Enlarge)

Demultiplexers are often abbreviated as DMUX and hence a 4 output demultiplexer as 1-to-4 DMUX.

In the next experiment you combine a multiplexer with a demultiplexer...