How Many Muxes Decoders And Encoders Are In A Register
Encoders
The combinational circuits that change the binary data into Northward output lines are known as Encoders. The binary information is passed in the form of twoN input lines. The output lines define the N-flake code for the binary information. In simple words, the Encoder performs the reverse operation of the Decoder. At a fourth dimension, just 1 input line is activated for simplicity. The produced N-flake output code is equivalent to the binary information.
There are various types of encoders which are as follows:
four to ii line Encoder:
In 4 to 2 line encoder, there are full of four inputs, i.e., Y0, Y1, Y2, and Y3, and 2 outputs, i.e., A0 and A1. In four-input lines, one input-line is gear up to true at a time to get the respective binary code in the output side. Below are the block diagram and the truth tabular array of the 4 to 2 line encoder.
Block Diagram:
Truth Table:
The logical expression of the term A0 and A1 is as follows:
A1=Y3+Yii
A0=Y3+Yane
Logical excursion of the higher up expressions is given below:
viii to 3 line Encoder:
The viii to 3 line Encoder is also known equally Octal to Binary Encoder. In 8 to 3 line encoder, at that place is a total of 8 inputs, i.e., Y0, Yane, Y2, Yiii, Y4, Yv, Y6, and Yvii and three outputs, i.e., A0, A1, and Atwo. In 8-input lines, i input-line is ready to true at a fourth dimension to get the respective binary lawmaking in the output side. Below are the block diagram and the truth table of the eight to 3 line encoder.
Block Diagram:
Truth Table:
The logical expression of the term A0, A1, and A2 are as follows:
Atwo=Y4+Y5+Y6+Yseven
Ai=Y2+Y3+Y6+Y7
A0=Yseven+Yfive+Yiii+Yi
Logical circuit of the above expressions is given below:
Decimal to BCD Encoder
The Octal to Binary Encoder is also known as 10 to 4 line Encoder. In 10 to 4 line encoder, there are total of ten inputs, i.eastward., Y0, Y1, Y2, Y3, Yiv, Y5, Y6, Y7, Y8, and Ynine and four outputs, i.e., A0, A1, Aii, and A3. In 10-input lines, one input-line is set up to true at a time to get the respective BCD lawmaking in the output side. The block diagram and the truth table of the decimal to BCD encoder are given below.
Block Diagram:
Truth Table:
The logical expression of the term A0, A1, Atwo, and A3 is as follows:
A3 = Y9 + Y8
A2 = Y7 + Y6 + Y5 +Y4
A1 = Y7 + Y6 + Y3 +Y2
A0 = Y9 + Y7 +Y5 +Y3 + Y1
Logical circuit of the above expressions is given below:
Priority Encoder:
iv to two line Priority Encoder:
In this priority encoder, there are full of 4 inputs, i.e., Y0, Yi, Y2, and Y3, and two outputs, i.e., A0 and Ai. The Y3 has loftier and Y0 has depression priority inputs. When more than 1 input is '1' at the same fourth dimension, the output will be the (binary) code corresponding to the higher priority input. Below is the truth table of the 4 to two line priority encoder.
Truth Tabular array:
The logical expression of the term A0 and Aone can be found using K-map as:
A1=Y3+Y2
A0=Y3+Y2'.Y1
Logical circuit of the above expressions is given below:
Uses of Encoders:
- These systems are very piece of cake to utilize in all digital systems.
- Encoders are used to catechumen a decimal number into the binary number. The objective is to perform a binary operation such as add-on, subtraction, multiplication, etc.
How Many Muxes Decoders And Encoders Are In A Register,
Source: https://www.javatpoint.com/encoders-digital-electronics
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