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  1. vlsiverify.com › verilog › verilog-codesDemultiplexer - VLSI Verify

    A demultiplexer (DEMUX) is a combinational circuit that works exactly opposite to a multiplexer. A DEMUX has a single input line that connects to any one of the output lines based on its control input signal (or selection lines) Usually, for ‘n’ selection lines, there are N = 2^n output lines.

    • Encoder

      1.2.1.4 8:3 Binary Encoder Verilog Code. 1.2.1.5 Testbench...

    • Decoder

      1.1.3 3:8 Binary Decoder Verilog Code. 1.1.4 Truth Table....

    • Multiplexer

      A multiplexer (MUX) is a combinational circuit that connects...

    • Half Subtractor

      1.1 Half Subtractor Verilog Code. 1.1.1 Testbench Code. Half...

  2. technobyte.org › verilog-code-for-demultiplexerVerilog Code for Demultiplexer Using Behavioral Modeling

    • What Is A Demultiplexer?
    • Different Methods Used in Behavioral Modeling of A Demultiplexer
    • Verilog Code For Demultiplexer – Using Case Statements
    • Verilog Code For Demultiplexer – Using Assignment Statement
    • Simulation Log For The Demultiplexer

    A demultiplexer is a circuit that places the value of a single data input onto multiple data outputs. The demultiplexer circuit can also be implemented using a decodercircuit. Here we are going to work with 1-to-4 demultiplexer. A 1-to-4 demultiplexer consists of 1. one input data line, 2. four outputs, and 3. two control lines to make selections. ...

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    There are various styles of writing Verilog code in behavioral modeling for this circuit. 1. case statements 2. assignment statements 3. if-else statements Here we will be elaborating on the first two. Along the way, we would also emphasize some common design errors.

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    The basic building block in Verilog HDL is a module, analogous to the ‘function’ in C. The module declaration is made as follows: For starters, moduleis a keyword. It is followed by an identifier. Identifier=name of the module. After naming the module, in a pair of parentheses, we specify: 1. the direction of a port as input, output or inout. 2. Po...

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    First of all, we initiate by module and port declaration following the same syntax. We assign identifier as Demultiplexer_1_to_4_assign, input as A, din and output as Y. We also set up the size and type of the port, which can only be either input, outputs, or inout. Then we assign the output as the logical and operation of the select lines and data...

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    Simulation log relating to our truth table. We can observe that din is always 1; all combinations of A are made, the output can be verified easily. For example- A = 0, A = 0, see that the waveform of Y is high. Thanks for reading! If you have any queries, let us know in the comments section below!

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  3. space-inst.blogspot.com › 2020 › 05Verilog: 1 to 2 DEMUX (Demultiplexer) Structural/Gate Level ...

    May 15, 2020 · Verilog Code / VLSI program for 1-2 DEMUX Structural/Gate Level Modelling with Testbench Code.

  4. www.geeksforgeeks.org › multiplexer-design-usingMultiplexer Design using Verilog HDL - GeeksforGeeks

    Sep 19, 2024 · Verilog HDL code of 2:1 MUX. Design. // define a module for the design. module mux2_1(in1, in2, select, out); // define input port. input in1, in2, select; // define the output port. output out; // assign one of the inputs to the output based upon select line input.

  5. technobyte.org › verilog-multiplexer-2x1Verilog code for 2:1 Multiplexer (MUX) – All modeling styles

    Jan 20, 2020 · In this article, we’ll write the Verilog code for the simplest multiplexer, i.e. a 2:1 MUX. Comparing 2:1 with 2^n: 1 (as mentioned before) we get n = 1, which is the number of select lines (input variables = 2, select lines = 1, output signal = 1).

  6. vlsiverify.com › verilog › verilog-codesMultiplexer - VLSI Verify

    A multiplexer (MUX) is a combinational circuit that connects any one input line (out of multiple N lines) to the single output line based on its control input signal (or selection lines) Usually, for ‘n’ selection lines, there are N = 2^n input lines. Nomenclature: N:1 denotes it has ‘N’ input lines and one output line.

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  8. www.geeksforgeeks.org › what-is-demultiplexerdemuxWhat is Demultiplexer(DEMUX)? - GeeksforGeeks

    Jul 29, 2024 · What is Demultiplexer (DEMUX)? Last Updated : 29 Jul, 2024. DEMUX or De-Multiplexer is a data distributor combinational circuit. It works in a reverse way of the Multiplexer. The DEMUX has 1 input port and 2^n output lines. Here n signifies the selection line for a DEMUX.