Multiplexer Explained | Implementation of Boolean function using Multiplexer

In this video, what is a multiplexer, the logic circuit of the multiplexer, and how to implement the Boolean Function using the multiplexer are explained in detail.

The following topics are covered in the video:

0:00 What is Multiplexer?
3:10 The logic circuit of 2 to 1 multiplexer and 4 to 1 Multiplexer
6:12 8 to 1 Multiplexer using 4 to 1 Multiplexer (and 2 to 1 MUX)
8:51 8 to 1 Multiplexer using 2 to 1 Multiplexers
11:58 16 to 1 Multiplexer using 4 to 1 Multiplexers
12:43 Boolean Function Implementation using Multiplexer

For more videos related to Digital Electronics, check this playlist:
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What is Multiplexer?
The Multiplexer is the combinational circuit that has M inputs, 1 output, and N selection lines. And using the selection lines, any one of the inputs is connected to the output. The multiplexer is often referred as MUX during the block diagram representation.
If the multiplexer has M inputs then the total number of selection lines are log 2 (M).
Or if the multiplexer has N selection lines then the total number of inputs are 2 ^N.

Depending on the number of inputs and selection lines, there are different types of multiplexers, e.g 2 x 1 MUX, 4 x 1 MUX, 16 x 1 MUX, etc.

Large Multiplexer using Small Multiplexer:
As the number of inputs to the multiplexer increase, the required number of AND/ OR gates also increases. And hence the cost and the complexity of the design also increase. So, typically the large multiplexer is designed using the small multiplexers.
In this video, the design of 8 x 1 MUX using 4 x 1 MUX and 2 x 1 MUX is explained.

Boolean Function Implementation using Multiplexer:
The multiplexer can be used to implement different Boolean Functions.
In this video, two different methods for Boolean Function Implementation are shown using examples.

This video will be helpful to all the students of science and engineering in understanding what is multiplexer and how to implement Boolean functions using the Multiplexer.

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#Multiplexer
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