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What is a demultiplexer (DEMUX)?
Jul 29, 2024 · De-Multiplexer is a data distributor combinational circuit. It works in a reverse way of the Multiplexer. The DEMUX has 1 input port and 2^n output lines. The DEMUX increases the efficiency of the particular communication system as it takes data from a specific input source and distributes it to different sources.
- What Is Digital Demultiplexer (Demux)?
- Types of Demultiplexer
- Demultiplexer IC with Pin Configuration
- Applications of Demultiplexer
A digital device capable of forwarding its single input onto any one of the output lines is called Demultiplexer abbreviated for DEMUX. It is the reverse of Multiplexer. A Demultiplexer has a single input and multiple outputs. It has 2n output lines where “n” is the number of control signals. Each combination of control signal selects a specific ou...
Common types of multiplexers are as follow. 1. 1 to 2 Demultiplexer ( 1select line) 2. 1 to 4 Demultiplexer (2 select lines) 3. 1 to 8 Demultiplexer (3 select lines) 4. 1 to 16 Demultiplexer (4 select lines) Details, circuits diagrams, schematic designs, truth tables and application of different kind of MUXES are as follow.
74155 IC is a Decoder/Demultiplexer IC which can be used as a 2-4 decoder or 3-8 decoder or 1-4 Demultiplexer or 1-8 Demultiplexer. Its pin configuration is shown in the table given below. This IC gives inverted output except for Data input 2C pin(15) in case of 1 to 4 Demultiplexer. It can be used as 1 to 8 Demultiplexer if pin (1) and Pin (15) ar...
The main function of Demultiplexer is to enable or select single output signal out of many inputs signals, therefore, they are widely used in microprocessor, computers and digital electronics as follow: 1. Demultiplexer (Demux) and Multiplexer (MUX) both are used in communication systems to carry multiple data signals (i.e. audio, video etc) using ...
- 1-to-4 Channel De-multiplexer. Output Select. Data Output. Selected b a 0 A 1 B C D. The Boolean expression for this 1-to-4 Demultiplexer above with outputs A to D and data select lines a, b is given as
- Demultiplexer Output Line Selection. As with the previous multiplexer circuit, adding more address line inputs it is possible to switch more outputs giving a 1-to-2 data line outputs.
- 4 Channel Demultiplexer using Logic Gates. The symbol used in logic diagrams to identify a demultiplexer is as follows.
- The Demultiplexer Symbol. Again, as with the previous multiplexer example, we can also use it to digitally control the gain of an operational amplifier as shown.
Sep 19, 2024 · Demux is a one-to-many circuit, which is exactly the opposite to the Multiplexer. With the use of a Demultiplexer, data from one input can be passed to one of the many output data lines. Demultiplexers are mainly used in Boolean function generators and decoder circuits.
Feb 24, 2012 · A demultiplexer (also known as a demux or data distributor) is defined as a circuit that can distribute or deliver multiple outputs from a single input. A demultiplexer can perform as a single input with many output switches. The demultiplexer’s output lines are ‘n’ in number, the select line number is ‘m’ and n = 2 m.
Oct 12, 2022 · Demux has one output, 2 n possible outputs and n control or selection lines. It is also called a data distributor. Demux. The demultiplexer circuit is shown in the above diagram. It has one data input (D), 2 n possible outputs (Y 0, Y 1, Y 2,…Y 2n-1), n selection lines (S 0, S 1,…S n). It also has an enable input.
Jul 31, 2024 · A demultiplexer, or DEMUX, works opposite to a multiplexer and is found in optical network systems where it routes one input signal into many output channels. A DEMUX relies on control lines that identify the path for a given signal among possible output paths.
