What is a decoder explain a 4/16 decoder with a truth table and logic diagram?

Circuit Design of 4 to 16 Decoder Using 3 to 8 Decoder A decoder is a combinational circuit constructed with logic gates. It is the reverse of the encoder. A decoder circuit is used to transform a set of digital input signals into an equivalent decimal code of its output. For ‘n’ inputs a decoder gives 2^n outputs.

What is a 4/16 decoder?

General description. The 74HC154; 74HCT154 is a 4-to-16 line decoder/demultiplexer. It decodes four binary weighted address inputs (A0 to A3) to sixteen mutually exclusive outputs (Y0 to Y15). The device features two input enable (E0 and E1) inputs. A HIGH on either of the input enables forces the outputs HIGH.

What is decoder example?

Examples of this type of decoder include: A 3-to-8 line decoder activates one of eight output bits for each input value from 0 to 7 — the range of integer values that can be expressed in three bits. Similarly, a 4-to-16 line decoder activates one of 16 outputs for each 4-bit input in the integer range [0,15].

What is 4-bit decoder?

A 4-bit decoder has 4 input lines and 16 output lines. That is 16 decoding gates are required to decode all possible combinations of four bits. For any given code on its input, one of the sixteen output becomes HIGH. Advertisements. Binary codes corresponding outputs and decoding functions are described in the table.

What is a decoder in logic circuits?

A decoder is a circuit that changes a code into a set of signals. It is called a decoder because it does the reverse of encoding, but we will begin our study of encoders and decoders with decoders because they are simpler to design.

What is a decoder in digital logic?

A decoder is a combinational circuit that converts binary information from n input lines to a maximum of 2^n unique output lines.

What is a decoder logic circuits?

How many 2 * 4 decoders are needed to design a 4 * 16 line decoder?

Update: you need 5 decoders.

How many inputs and outputs are there in 4 to 16 decoder?

Logical circuit of the above expressions is given below: In the 4 to 16 line decoder, there is a total of 16 outputs, i.e., Y 0, Y 1, Y 2 ,……, Y 16 and four inputs, i.e., A 0, A1, A 2, and A 3. The 3 to 16 line decoder can be constructed using either 2 to 4 decoder or 3 to 8 decoder.

What is the basic principle of decoder?

Basic Principe of Decoder: As told earlier, the decoder is just a counter part of an Encoder. It takes a particular number of binary values as inputs and decodes then into more lines by using logic. A sample decoder is shown below which takes in 2 Lines as input and converts them to 4 Lines.

What is the logical diagram of the 3×8 line decoder?

The logical diagram of the 3×8 line decoder is given below. 3 to 8 line Decoder has a memory of 8 stages. It is convenient to use an AND gate as the basic decoding element for the output because it produces a “HIGH” or logic “1” output only when all of its inputs are logic “1”.

What is a 3 to 8 decoder?

In this article we will talk about the Decoder itself, we will have a look at the 3 to 8 decoder, 3 to 8 line decoder designing steps, a technique to simplify the Boolean function, and in the end, we will draw a logic diagram of the 3 to 8 decoder. A digital decoder converts a set of digital signals into corresponding decimal code.

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