3 to 8 decoder. The device features three enable inputs (E1 and E2 and E3).

3 to 8 decoder STD_LOGIC_1164. 3 to 8 decoder VHDL source code. com/@UCOv13 DCC Concepts ~ Decoder Harness 8 Pin to 9 Pin JST ~ 3 Pack ~ DCC-8P9JST –Predecoding groups: 3 + 3 + 2 for the same 8:256 decoder –Each 3-input predecode group has 2^3 = 8 output wires –Each 3-input predecoded wire has N/8 loads –Total of 8 + 8 + 4 = 20 predecoded wires •Example: predecode groups of 4 address bits –Predecoding groups: 4 + 4 for the same 8:256 decoder Contribute to Ghanshu03101997/3-to-8-Decoder_Verilog-code development by creating an account on GitHub. Telecom and memory circuits also use decoder due to the limited number of the data line. 25: Construct a 5-to-32-line decoder with four 3-to-8-line decoders with enable and a 2-to- 4-line decoder. Block Diagram. com 2 soic−16 9. Every output will be LOW unless E1 and E2 are LOW and E3 is HIGH. TI’s CD74HC138 is a High Speed CMOS Logic 3-to-8 Line Decoder Demultiplexer Inverting and Non-Inverting. Jan 22, 2022 · As you know, a decoder asserts its output line based on the input. the three selection lines of each decoders are connected together as common line(X,Y,Z) , the enable lines are ACTIVE LOW, they are also connected together with a common line W Design a 3:8 Decoder circuit (active high type). In this guide, you’ll learn the things you need to know about this chip in order to use decoders and demultiplexers in your own projects. base 7. Q. General description The 74HC137 decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually This repository contains VHDL code for a 3-to-8 decoder with a main component. emitter 6. e. youtube. circ at master · Sahil-Udayasingh/Logisim Jul 10, 2024 · From the truth table, the output line Z is active when the input octal digit is 1, 3, 5 or 7. a) Design the 3-to-8 decoder using 2-to-4 decoders as building blocks. 37 1. It contains 4 sections: 1) Plots delay vs K value from experimental data and derives an average slope and y-intercept. It takes 3 binary inputs and activates one of the eight outputs. Oct 13, 2014 · 3 to 8 Decoder PUBLIC. Step 1. Even and Odd If the number ABC 15 even the Even output should be 1 and the Odd output should be 0. Based on the input, only one output line will be at logic high. The Verilog code for 3:8 decoder with enable logic is given below. Truth Table. 7 — 23 January 2024 Product data sheet 1. The decoder takes a 3-bit input and generates an 8-bit output based on the input. The 3 to 8 decoder is one that has 3 input lines and 8 (2 3) output lines. The 2-to-4 decoder building block has an active-low enable andactive-high outputs. 3-to-8-line decoder constructed from two 2-to-4-line decoders. The function of this device mainly relies on VO2 acting as a conductor or insulator. the two squares are two 3x8 decoders with enable lines. published 10 years ago Date/Time Thumbnail Dimensions User Comment; current: 15:00, 1 September 2010: 512 × 512 (10 KB): Kloisiie: fonts: 06:38, 17 August 2010: 512 × 512 (10 KB): Kloisiie {{Information |Description={{en|1=A 3x8 decoder (3 inputs, 8 outputs)}} {{de|1=Ein 3x8-Decoder (3 Eingänge, 8 Ausgänge)}} |Source=*File:3x8_decoder_symbol. A decoder is a combinational logic circuit that converts binary code into signals, while a demultiplexer selects one output from multiple inputs. 0]. Dec 1, 2023 · Learn how to design a 3 to 8 line decoder/demultiplexer using logic gates and truth tables. When the Edit, save, simulate, synthesize SystemVerilog, Verilog, VHDL and other HDLs from your web browser. May 2, 2020 · 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. Truth Table Now we shall write a VHDL program, compile it, simulate it, and get the output in a waveform. General description The 74LV138 decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually 3:8 Binary decoder. When the device is enabled, three Binary Select inputs (A0 − A2) Sep 1, 2023 · How 3 to 8 Decoder ICs Work. The 74×138 (ex 74HC138) is a chip that contains a 3-to-8 line decoder/demultiplexer, which is useful for decoding binary coded inputs into a one-out-of-eight output signal. 38译码器由三路信号输入，八路信号输出的译码器（2^3 = 8）。 以芯片74HC138为例： 由上图芯片使能由E1，E2，E3共同控制 三路信号输入：A0，A1，A2 八路信号输出：Y0，Y1，Y2，Y3，Y4，Y5，Y6，Y7 4 days ago · A 3-8 decoder based on terahertz metamaterial was proposed for the first time, which can achieve both 3-8 decoding function and dual band selectable 2-4 decoding function. TI’s SN74LS138 is a 3-line to 8-line decoder / demultiplexer. It is commonly used in address decoding, memory selection, and data routing applications. This circuit has an enable input 'E'. The inputs of the resulting 3-to-8 decoder should be labeled X[2. A decoder is a combinational logic circuit that takes binary inputs and produces multiple outputs based on the input value. 8 — 21 March 2024 Product data sheet 1. Combine two or more small decoders with enable inputs to form a larger decoder e. Included a Verilog description for the design using structural modeling and a simulation test bench to test the decoder design. For active- low outputs, NAND gates are SNx4HC138 3-Line To 8-Line Decoders/Demultiplexers 1 Features • Targeted Specifically for High-Speed Memory Decoders and Data-Transmission Systems The 3 X 8 decoder constructed with two 2 X 4 decoders figure shows how decoders with enable inputs can be connected to form a larger decoder. . col 3 to 8 decoder using 2 to 4 decoders3 to 8 decoder using 2 to 4 decoder,3 to 8 decoder using 2 to 4 decoder in english,3 to 8 line decoder using 2 to 4 decod Verilog HDL program for 2 – 4 Decoder; Verilog HDL Program for 3-8 DECODER USING 2-4 DECODER; Verilog HDL Program for 3-8 ENCODER; Verilog HDL Program for 2X1 Multiplexer; Verilog HDL Program for BCD Adder using Parallel Adder; Verilog HDL Program for R-S Flip Flops; Verilog HDL Program for J K Flip Flop; Verilog HDL Program for D Flip Flop Sep 29, 2022 · 3-to-8 decoder도 2-to-4 decoder와 마찬가지로 입력이 주어진다면, 이에 해당하는 output만 1(on)을 출력합니다. 0] for the code input and E for the enable input. May 12, 2020 · VLSI: 3-8 Decoder Structural/Gate Level Modelling Verilog: 2 - 4 Decoder Structural/Gate Level Model VLSI: 8-1 MUX Structural/Gate Level Modelling with VLSI: 4-1 MUX Structural/Gate Level Modelling with VLSI: 1 Bit Magnitude Comparator Structural/Gate L Verilog: OR gate Structural/Gate Level Modelling w 4-to-16 Decoder from 3-to-8 Decoders. 5 — 4 August 2021 Product data sheet 1. How a 3 to 8 Line Decoder Circuit Works. The truth table for 3 to 8 decoder is shown in the below table. g. Cascading two 74138 IC(Two 3 to 8 active low decoder) we can achieve a 4 to 16 active low decoder. The 3 input lines denote 3-bit binary code and 8 output line represents its decoded decimal form. The requirement is to turn each output ON for a few msec, move to the next, and keep going round and round indefinitely. Construct 3 To 8 Decoder With Truth Table And Logic Gates Jan 13, 2014 · Hi, I want to address 8 lines and one way is to use a 74series 138 3-to-8 line decoder, thereby only needing 3 I/O pins. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. This repo will take you through various interesting Logisim Projects. 139. Oct 7, 2014 · Using only three 2-to-4 decoders with enable and no other additional gates, implement a 3-to-8 decoder with enable. 1. General description The 74HC138; 74HCT138 decodes three binary weighted address inputs (A0, A1 and A2) to 74HC238; 74HCT238 3-to-8 line decoder/demultiplexer Rev. The 74×237 (ex 74HC237) is a chip that contains a 3-to-8 line decoder/demultiplexer with address latches and an enable input. The document is a solution to an assignment on VLSI design. Here's my current solution. Proteus Simulation Example TI’s CD74HC238 is a High Speed CMOS Logic 3-to-8 Line Decoder Demultiplexer Inverting and Non-Inverting. These are often used in LED-cube projects and hopefully this simple exercise will illustrate how they work. The device features three enable inputs (E1 and E2 and E3). A 3 to 8 decoder has three inputs (A, B, C) and eight outputs (D0 to D7). This page of VHDL source code covers 3 to 8 decoder vhdl code. The main function of this IC is to decode otherwise demultiplex the applications. 3 to 8 decoder in NGSPICE - Free download as PDF File (. 27p case 751b issue m date 18 oct 2024 style 1: pin 1. Find parameters, ordering and quality information The 74HC237 is a 3-to-8 line decoder, demultiplexer with latches at the three address inputs (An). 02:08:27. 3-to-8 line decoder/demultiplexer Rev. In a 3 to 8 line decoder, there is a total of eight outputs, i. (3 to 8) line DECODER: The (3 to 8) decoder consists of three inputs A, B, and C, and eight outputs D0 D1 D2 D3 D4D5D6D7. pdf), Text File (. svg Question: Construct a 3-to-8 decoder using only 2-to-4 decoders asbuilding blocks. here is the schematic that may help you. Use block diagrams for the components. Implementation using decoderFollow for placement & career guidance: https://www. General description The 74HC238; 74HCT238 decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually exclusive outputs (Y0 to Y7). By utilizing this decoder, the process of implementing a full adder circuit is simplified, as it can be done using only a few logic gates. Similarly, Y is 1 when input octal digit is 2, 3, 6 or 7 and X is 1 for input octal digits 4, 5, 6 or 7. collector 8. No additional logic gates can be used. Oct 5, 2024 · The 3 to 8 line decoder is also known as Binary to Octal Decoder. 입력의 bit는 3으로 총 경우의 수는 2^3=8가지이다. A 3 to 8 line decoder circuit is a critical component in digital electronics. 3 To 8 Decoder Circuitlab. Find out the importance, logic diagram, and applications of decoders and demultiplexers in digital circuits. Some digital systems like microcontrollers still use 74LS138 for data decoding. Sep 23, 2024 · By using a 3-8-line decoder IC, the central control unit can easily manage signals from multiple sensors, determining which sensor has detected movement based on the 3-bit input. Apr 25, 2022 · 这个压缩包"Verilog设计3-8译码器、8位全加器、四分之一分频器. , Y 0, Y 1, Y 2, Y 3, Y 4, Y 5, Y 6, and Y 7 and three outputs, i. Encoder And Decoder Types Working Their Applications. 3-8 line decoder, using 2-4 line decoders (15 pts). Decoder with enable input can function as demultiplexer. It essentially takes a three-bit binary input and converts it into an eight-bit output, allowing for the selection and activation of specific output lines based on the input combination. [verilog] - decoder 들어온 입력에 따라 출력을 다르게 1. The 3 input wires, labeled A, B, and C, represent the binary input code. 4. 5V 3-line to 8-line decoder and demultiplexer Question: Using a 3-to-8 decoder block, show how you would implement a circuit with the following outputs. Servers also come up with 74LS138. Oct 12, 2019 · 0. When the device is enabled, 3 binary select inputs May 21, 2023 · 3-to-8 Decoder: A 3-to-8 decoder has three input lines and eight output lines, where only one output line is active based on the binary input code. It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. Based on the 3 inputs one of the eight outputs is selected. For your convenience the 2-to-4 decoder blocks have two enable inputs E1 and E2. These inputs are decoded to activate one of the 8 outputs labeled Y0 to Y7. The setup of this IC is accessible with 3-inputs to 8-output setup. Pleas Figure 2 Truth table for 3 to 8 decoder. base 3. Use a 3-8 decoder to create a circuit with three inputs A, B, and C (thought on as we binary number ABC) and two outputs. 업데이트 시간: 2023-12-01 13:38:01 Decoder expansion . When A = 1 and B = 1, the AND gate 4 becomes active and produces output Y 3. Just like 2 to 4 line decoder, when enable 'E' is set to 1, one of 74HC238D - The 74HC238; 74HCT238 decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually exclusive outputs (Y0 to Y7). , A 0, A1, and A 2. Jan 24, 2021 · 在数字电路中，3-8译码器可以组合成更复杂的逻辑电路，用于实现各种数字信号处理和控制功能。例如，可以使用多个3-8译码器来实现更高位数的译码器，或者使用3-8译码器和其它逻辑门电路来实现计数器、时序控制等复杂的电路功能。 Oct 3, 2022 · This decoder circuit gives 8 logic outputs for 3 inputs and has a enable pin. Learn how to design a 3 line to 8 line decoder using two 2 line to 4 line decoders and a demultiplexer. zip"包含了三个基本的数字逻辑组件的设计：3-8译码器、8位全加器以及四分之一分频器。这些组件在数字系统中有着广泛的应用，下面将分别详细介绍这三个 74HC137 3-to-8 line decoder, demultiplexer with address latches; inverting Rev. General description The 74HC238; 74HCT238 decodes three binary weighted address inputs (A0, A1 and A2) to eight The IC 74LS138 is a 3 to 8 line decoder integrated circuit from the 74xx family of transistor-transistor-logic-gates. 3_8 decoder using behavioral - Free download as PDF File (. Encoders, Decoders, Multiplexers & Demultiplexers 3-to-8 Line Decoder Decoder VCC: 2-5. 2. The two least significant bits of the input are connected to both decoders. May 29, 2019 · Designing of 3 to 8 decoder. Based on the input value, one of the 8 output pins is activated. simulate this circuit – Schematic created using CircuitLab. no connection 5. 74HCT238D - The 74HC238; 74HCT238 decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually exclusive outputs (Y0 to Y7). 2-4 line decoder 2. 3:8 decoder . The most significant input bit A 3 is connected to E 1 ’ on the upper decoder (for D 0 to D 7) and to E 3 on the lower decoder (for D 8 to D 15). The inverters provide the complements of the input signals nG0, C, B, and A. For this Decoder, draw the block diagram, truth table, equations and circuit diagram. collector 2. 6 — 3 April 2020 Product data sheet 1. Decoders A Decoder Is Multiple Input Output Logic Circuit That Converts Coded Inputs Into Outputs Code With Fewer Bits Than The Ppt. When the 74HC138; 74HCT138 3-to-8 line decoder/demultiplexer; inverting Rev. Three of the five input terminals of NAND gates connect either to C, B, A or to their complements. Fig. Hence, the Boolean functions would be: 74LS138 3-8 decoder APPLICATIONS. General description The 74HC138; 74HCT138 decodes three binary weighted address inputs (A0, A1 and A2) to Question: Problem G: Using a 3-8 decoder and 8 three state buffers, show the design of a circuit that will allow 8 different 1- bit signals to share the same data bus. ALL; entity decoder is Port ( s : in STD_LOGIC_VECTOR (2 downto 0); y : out STD_LOGIC_VECTOR (7 downto 0)); end decoder; architecture Behavioral of decoder is begin with sel select y #decoder #coding #verilog #code #testbench #truthtable #simulation Jul 12, 2023 · 三八译码器（3-to-8 Decoder）是一种常见的数字逻辑电路，用于将三位输入信号转换为八位输出信号。它属于组合逻辑电路的一种，广泛应用于计算机、通信设备和其他数字系统中。三八译码器能够根据不同的输入组合产生对应的输出，实现信号的解码和选择功能。 Edit, save, simulate, synthesize SystemVerilog, Verilog, VHDL and other HDLs from your web browser. In a 3 to 8 line decoder, there is a total of eight outputs and three inputs. 3 to 8 line decoder circuit is also called a binary to an octal decoder. Digital Circuits Decoders. For example, if the binary input is 011, output pin 3 will go HIGH while all other output pins remain LOW. Nov 2, 2023 · A 3 to 8 decoder is a combinational logic circuit that takes in three input bits and produces eight output bits based on the input combination. For a 3 : 8 decoder, total number of input lines is 3 and total number of output lines is 8. This multiple enable function allows easy parallel expansion to a 1-of-32 (5 to 32 lines) decoder with just four '238 ICs and SN74HCS137 ACTIVE 3-to-8 line decoder demultiplexer with address latches SN74LVC1G18 ACTIVE One of Two Noninverting Demultiplexer with 3-State Deselected Output SN74AHC138 ACTIVE 2V-to-5. Jan 10, 2022 · (3 to 8) line DECODER: The (3 to 8) decoder consists of three inputs A, B, and C, and eight outputs D0 D1 D2 D3 D4D5D6D7. Created by: maverich Created: October 13, 2014: Last modified: October 13, 2014: Tags: 3-to-8 3to8 decoder 5. Ensure you (3 to 8) line DECODER: The (3 to 8) decoder consists of three inputs A, B, and C, and eight outputs D0 D1 D2 D3 D4D5D6D7. This technique is also useful in keypad access systems, where the 3-to-8 decoder can help in decoding which key has been pressed, sending the correct signal to the Implement a 3:8 decoder using 2:4 decoders only. See that the input pins of the 2:4 decoders are not floating (they are connected either to VCC/GND/Signal but should not be left floating) Here’s the best way to solve it. 5-32 line decoder 74LV138 3-to-8 line decoder/demultiplexer; inverting Rev. 2-to-4 decoder 모듈을 설계해 놓았다면, 이를 활용하여 두 가지 방법으로 3-to-8 decoder을 설계할 수 있습니다. When the latch is enabled (LE = LOW), the 74HC237 acts as a 3-to-8 active LOW decoder. Find parameters, ordering and quality information Dec 1, 2023 · 3 to 8 Line Decoder/Demultiplexer Designing Steps, Truth Table, and Applications. 𝑶𝟏 = ∑(𝟐, 𝟒, 𝟕) 𝑶𝟐 = ∑(𝟎, 𝟐, 𝟓) Using a 3 - to - 8 decoder block, show how you would implement a circuit with the following outpu Dec 25, 2021 · A 3 to 8 decoder circuit is a powerful electronic component that translates three binary signals into eight outputs. A 3 to 8 decoder has 3 inputs and 8 outputs. 38; Non-Stocked Lead-Time 20 Weeks;. In this guide, you’ll learn the things you need to know about this chip in order to use decoders/demultiplexers in your own projects. In this article, we’ll be going to design 3 to 8 decoder step by step. Apr 23, 2013 · This item: Major Brands 74LS138 3-to-8 Decoder/Demultiplexer, Dip 16, 21ns, 32mW (Pack of 10) $10. The functional block diagram of the 3 to 8 decoder is shown in Figure-4. Electronic devices and circuits: https://www. VHDL Code library IEEE; use IEEE. 2-4 line decoder (10 pts). Use a single 3 - to - 8 decoder and two additional gates to implement the functi 3 to 8 line decoder: The 3 to 8 line decoder is also known as Binary to Octal Decoder. The circuit is designed with AND and NAND logic gates. (5 marks) 3-to-8 Decoder/Demultiplexer General Description The VHC138 is an advanced high speed CMOS 3-to-8 decoder/demultiplexer fabricated with silicon gate CMOS technology. www. 5 shows the arrangement for using two 74138 (3-to-8 decoder) ICs to obtain a 4-to-16 decoder. All inputs and outputs of the 3-to-8 decoder and 2-to-4 decoders should be connected to the appropriate logic signals View the slide with "Slide Mode". 3-to-8 Line Decoder MC74VHC138 The MC74VHC138 is an advanced high speed CMOS 3−to−8 decoder fabricated with silicon gate CMOS technology. txt) or read online for free. Decoderultiplexers. onsemi. 3 to 8 Decoder is covered by the following Timestamps:0:00 - Digital Electronics - Combinational Circuits0:12 - Decoder0:31 - Block Diagram of 3 to 8 Decode Edit, save, simulate, synthesize SystemVerilog, Verilog, VHDL and other HDLs from your web browser. 5-32 line decoder For each decoder: - Create the circuit in Logisim - Export the Logisim circuit as an image - Insert the exported image into a Word document - Submit a single Word file containing images Aug 18, 2021 · Circuit design 3-8 Decoder created by 212_Akshat Singh with Tinkercad Dec 25, 2022 · 3:8 Decoder is explained with its truth table and circuit. 02/Decoder) Get it as soon as Monday, Mar 10 Feb 28, 2015 · you have to design a 4x16 decoder using two 3x8 decoders. It is widely used in line decoders. 21 ($1. 3-8译码器简介 3-8译码器是一种常用的数字电路元件，它接受3位二进制输入信号，然后根据这3位输入信号的状态，激活8个输出 Nov 30, 2021 · The 74138 3 To 8 Decoder. 3-8 line decoder, using 2-4 line decoders 3. In a 3 to 8 decoder, there are three input lines and eight output lines. 풀이 case문을 활용해서 입력의 모든 경우를 출력과 연결해주었다. STD_LOGIC_UNSIGNED. (3 to 8) decoder decodes the information from 2 inputs into a 4-bit code. Every output will be LOW unless E1 and E2 are LOW and 3 to 8 Decoder. Find parameters, ordering and quality information Question: Use a single 3-to-8 decoder and two additional gates to implement the functionsF(A, C, B) = ∑(0, 2, 6, 7) and G(A, B, C) = ∑(1,6,7). 90x1. E1 is active-high and E2 is active-low. Label the pins of each 2-to-4 decoder as follows: G is theactive-low enable pin, Band A are the input pins (B is the msb and A is the lsb), and Y0 Y1Y2 Y3 are theactive-high output pins. " Nov 29, 2024 · Assalam o Alaikum!How to make 3 by 8 decoder by using two 2 by 4 decoder?| Lecture 7| For DLDYour searchesIn this lecture, Sir Abdul Manan teaches how to mak We shall write a VHDL program to build 3×8 decoder and 8×3 encoder circuits; Verify the output waveform of the program (digital circuit) with the truth table of these encoder and decoder circuits; 3×8 Decoder circuit. 3:8 Decoder Verilog Code Aug 22, 2023 · A 3×8 decoder has 3 input pins labeled A, B, and C that accept a 3-bit binary number. pdf) or view presentation slides online. ALL; use IEEE. This multiple enable function allows easy parallel expansion to a 1-of-32 (5 to 32 lines) decoder with just four '238 ICs and Jan 11, 2018 · If you cant reduce the equation to a simpler one that only has two variables you need to use two 3:8 decoders and the MSB variable assign it to the enable of both decoders, connect it to the first decoder enable pin inverted and directly to the second decoder enable pin. svg |Date=2010-08-17 06:37 (UTC) |Author=*File:3x8_decoder_symbol. emitter 4. The 74HC237 essentially combines the 3-to-8 decoder function with a 3-bit storage latch. Question: Design the following three decoders with Enable inputs using Logisim software: 1. Now we know possible outputs for 3 inputs, so construct 3 to 8 decoder, having 3 input lines, a enable input and 8 output lines. It uses all AND gates, and therefore, the outputs are active- high. 3. 10 — 26 February 2024 Product data sheet 1. Try different combination of the switches to control one of the eighth output bulbenjoy it. The block diagram and the truth table of the 3 to 8 line encoder are given below. Part2. Nov 7, 2024 · 本文将详细介绍如何在Altera FPGA平台上实现一个3-8译码器，并通过实验进行验证。#### 2. 5V TC74VHC238FK(EL,K) Toshiba; 1: $1. The remaining two input terminals o… A 3-to-8 decoder circuit with non-inverted outputs and a single active-high enable using logic gates. Show transcribed image text Here’s the best way to solve it. - Logisim/Combinational Circuits/3 x 8 Decoder. the outputs should be labeled Y[7. 90x3. 74HC138; 74HCT138 3-to-8 line decoder/demultiplexer; inverting Rev. --- title: Hierarchical Design of 3-8 decoder description: View the slide with "Slide Mode". The 74HC237 is a 3-to-8 line decoder, demultiplexer with latches at the three address inputs (An). STD_LOGIC_ARITH. Jul 7, 2018 · Add this topic to your repo To associate your repository with the 3-to-8-decoder topic, visit your repo's landing page and select "manage topics. To design a 3 to 8 decoder schematic, the first step is to determine the truth table for the desired behavior. The main component instantiates two 2-to-4 decoders and merges their outputs into an 8-bit signal to create a 3-to-8 decoder. G2A and G2B inputs of the first IC(74138) and G1 input of 2nd IC(74138) are shorted and it acts as MSB of 4 binary select input . com/playlist?list=PLnPkMfyANm0yiDMa3lm4Ti-F_fs6a2NQnDigital Circuits and Sys The circuit is 3 To 8 Decoder / 1 Of 8 Decoder/Demultiplexer with active low output. Used in a wide variety of applications, decoders are essential for digital designs that need to control many output signals at once. Two 2-to-4-line decoders are combined to achieve a 3-to-8-line decoder. Simple 3-8 Decoder / Demultiplexer Tutorial: This guide is intended for people new to electronics (like myself) who wants to understand how 238 decoders (demultiplexers) work. 21 $ 10 . jeb fipyf wbfknx zzku djgw nvpm aob ftvrk psa nwfsa vseug eyownt mwlmycy wvru iopbhr