Introduction of Demultiplexer

  • A demultiplexer is also known as a “Demux” or “Data Distributor“. 

Definition

  • A demultiplexer is a digital logic circuit that takes a single input and distributes it to one of several possible output lines based on the value of its control inputs.

Characteristic Features

  • They are fundamental components in digital circuit design and are often used in combination with multiplexers for data routing and selection purposes.

Structure & Working Principle

  • A demux is the reverse of a multiplexer, which takes multiple inputs and selects one of them to pass to a single output line.
  • A typical demultiplexer has one input line, “n” control lines (to select one of 2n output lines), and multiple output lines.

Use/Applications

  • Demultiplexers are essential building blocks in digital circuits and are commonly used in digital electronics for tasks like routing data to specific destinations, memory addressing, and data or signal distribution. 
  • Demultiplexers are used in digital systems to distribute data or signals from a single source to multiple destinations based on a control signal (the binary input code).

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