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f-alpha.net » Electronics » Digital Electronics » Multiplexer » Let's go... » Experiment 4 - 1-to-4 Demultiplexer

Experiment 4 - The 1-to-4 Demultiplexer

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

A B IN OUT0 OUT1 OUT2 OUT3
0 0 0 0 0 0 0
0 0 1 1 0 0 0
0 1 0 0 0 0 0
0 1 1 0 1 0 0
1 0 0 0 0 0 0
1 0 1 0 0 1 0
1 1 0 0 0 0 0
1 1 1 0 0 0 1

Truth table 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...

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