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Multiplexer processes the digital information from various sources into a single source. Demultiplexer receives digital information from a single source and converts it into several sources. It is known as Data Selector. It is known as Data Distributor. Multiplexer is a digital switch.
In this tutorial, we will take a brief look at two important Combinational Logic Circuits called Multiplexer and Demultiplexer. A Multiplexer is a circuit that accept many inputs but gives only one output.
The one-stop guide for understanding digital multiplexer and demultiplexer circuit design, truth tables, cascading, working, applications and other FAQs.
The main difference between a multiplexer and a de-multiplexer is that a multiplexer takes two or more signals and encodes them on a wire, whereas a de-multiplexer does reverse to what the multiplexer does.
Difference Between Multiplexer and Demultiplexer: A Multiplexer accepts multiple inputs of data but provides only a single output. A Demultiplexer accepts just a single input but directs it through multiple outputs.
A multiplexer is often used with a complementary demultiplexer on the receiving end. [1] An electronic multiplexer can be considered as a multiple-input, single-output switch, and a demultiplexer as a single-input, multiple-output switch. [3]
Multiplexer and demultiplexer are two devices very important in data communications. As the name implies, their functions are opposite to each other (similar to encoder and decoder). These devices are used for sharing a device between two or more applications.