4-bit Multiplexer

January 24, 2024 Post a Comment

4-bit multiplexer

Design a 4-to-1 multiplexor that uses 8-bit buses on the inputs (instead of single bits). The output will be a single 8-bit bus. The following is a design of a 2-to-4 decoder necessary for creating a 4-to-1 Multiplexer.

How many 4x1 MUX do I need?

At second stage: the output of these 4 multiplexers is connected to inputs of 1 multiplexer. Total 4 × 1 multiplexers needed are 4 + 1 = 5. The National Thermal Power Corporation (NTPC) is expected soon to release the official notification for the NTPC Diploma Trainee 2022.

Is a 4 1 multiplexer a combinational circuit?

It is a combinational circuit which have many data inputs and single output depending on control or select inputs.

What is a 4 to 1 multiplexer?

A 4-to-1 multiplexer consists four data input lines as D0 to D3, two select lines as S0 and S1 and a single output line Y. The select lines S0 and S1 select one of the four input lines to connect the output line.

How many bits is a multiplexer?

In this 8-Bit 4 to 1 Multiplexer, there are 4 inputs, each with 8 bits, 2 selectors, and 1 8-Bit output.

What are the applications of multiplexer?

Applications of Multiplexers

Communication System. A communication system has both a communication network and a transmission system.
Computer Memory. ...
Telephone Network. ...
Transmission from the Computer System of a Satellite. ...
Communication System. ...
Arithmetic Logic Unit. ...
Serial to Parallel Converter. ...
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What is the use of multiplexer?

A multiplexer makes it possible for several input signals to share one device or resource, for example, one analog-to-digital converter or one communications transmission medium, instead of having one device per input signal. Multiplexers can also be used to implement Boolean functions of multiple variables.

How does multiplexer 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.

Why MUX is called universal logic circuit?

In most of the application, we experience the use of multiplexers. The multiplexer or MUX is used to implement the Boolean functions or any of the logic gates, and it is called as universal logic. The main application of multiplexer is to select from one of the inputs and hence called as the switch.

What are the types of multiplexer?

What are the types of multiplexing?

Frequency-division multiplexing (FDM).
Wavelength-division multiplexing (WDM). ...
Time-division multiplexing (TDM). ...
Code-division multiplexing (CDM). ...
Space-division multiplexing (SDM). ...
Polarization-division multiplexing (PDM).

What is D flip-flop?

Glossary Term: D Flip-Flop A D (or Delay) Flip Flop (Figure 1) is a digital electronic circuit used to delay the change of state of its output signal (Q) until the next rising edge of a clock timing input signal occurs. The truth table for the D Flip Flop is shown in Figure 2.

What is a 2 1 multiplexer?

2×1 Multiplexer: In 2×1 multiplexer, there are only two inputs, i.e., A0 and A1, 1 selection line, i.e., S0 and single outputs, i.e., Y. On the basis of the combination of inputs which are present at the selection line S0, one of these 2 inputs will be connected to the output.

What is MUX and demux?

Definition. Multiplexer refers to a type of combinational circuit that accepts multiple inputs of data but provides only a single output. The demultiplexer refers to the type of combinational circuit that accepts just a single input but directs it through multiple outputs. Technique of Conversion.

How do you read a multiplexer?

The best way to understand Multiplexers is by looking at a single pole multi-positioned as shown below. Here the switch has multiple inputs D0, D1, D2 and D3 but it has only one Output (Out) pin. The Control knob is used to select one of the four available data and this data will be reflected on the output side.

What is multiplexer size?

The size of each multiplexer must be k : 1 since it multiplexes k data lines, where k is the number of registers.

What is a 16 bit MUX?

The SN74CBT16233 is a 16-bit 1-of-2 FET multiplexer/demultiplexer used in applications in which two separate data paths must be multiplexed onto, or demultiplexed from, a single path. This device can be used for memory interleaving, where two different banks of memory need to be addressed simultaneously.

How many pins does MUX have?

The largest possible 4 bit binary number is '1111' which equals 16. This means a multiplexer with 4 selection pins is a 16:1 mux, since it has 16 input pins. This can be verified using the aforementioned equations, as shown below.

What are the four basic types of multiplexing?

There are three types of Multiplexing : Frequency Division Multiplexing (FDM) Time-Division Multiplexing (TDM) Wavelength Division Multiplexing (WDM)

What is multiplexer and decoder?

Multiplexer is a data selector which takes several inputs and gives a single output.In multiplexer we have 2n input lines and 1 output lines where n is the number of selection lines. 2. Decoder : Decoder is a logic circuit which n input lines into m output lines.

What is enable in multiplexer?

An enable input makes the multiplexer operate. When EN = 0, the output is High-Z or less commonly LOW (depending on the specific device). When EN = 1, the multiplexer performs its operation depending on the selection line.