# How does a mux work?

## How does a mux work?

A multiplexer is a system of multiple inputs and just one output to receive signals coming from multiple acquisition networks. The device transfers all input signals to a microprocessor, which receives and processes the data, transmits it to the output devices, and controls the system as a whole.

## How do you make a multiplexer circuit?

To construct a 4:1 MUX using a 2:1 MUX, we will have to combine three 2:1 MUX together. The end result should give us 4 Input pins, 2 Control/Select Pins and one output pin. To achieve the first two MUX is connected in parallel and then the output of those two are feeded as input to the 3rd MUX as shown below.

How many gates are required for a 1 to 8 multiplexer?

For a 1 to 8 multiplexer a total of 8 AND gates are required.

### How many and gates are required for a 1 to 16 multiplexer?

We know that 8×1 Multiplexer has 8 data inputs, 3 selection lines and one output. Whereas, 16×1 Multiplexer has 16 data inputs, 4 selection lines and one output. So, we require two 8×1 Multiplexers in first stage in order to get the 16 data inputs.

### How many and gates are required for a 1 to 8 demultiplexer?

How many AND gates are required for a 1-to-8 multiplexer? Explanation: The number of AND gates required will be equal to the number of outputs in a demultiplexer, which are 8.

How many 1 to 4 Line demux are required to construct a 1 to 64 line Demux?

of select lines. Therefore, for 1:4 demultiplexer, 2 select lines are required. Explanation: A demultiplexer sends a single input to multiple outputs, depending on the select lines.

#### How many gates are required for a 1 to 16 multiplexer?

First multiplexer will act as NOT gate which will provide complemented input to the second multiplexer. Three(3) ​2 : 1 MUX are required to implement 4 : 1 MUX. Similarly, While 8 : 1 MUX require seven(7) ​2 : 1 MUX, 16 : 1 MUX require fifteen(15) ​2 :1 MUX, 64 : 1 MUX requires sixty three(63)​ 2 : 1 MUX.

#### What is Muxing and Demuxing?

Demultiplexing (a.k.a. demuxing) is the process of extracting each individual signal from within a single stream, where these signals have previously been combined via multiplexing.