Which of the following entity declares the ?ports of a 3 by 8 decoder ENTITY decoder IS PORT( inp : IN STD LOGIC_VECTOR(8 DOWNTO 0); Outp: OUT STD_LOGIC_VECTOR(3 DOWNTO 0)); END decoder; ENTITY decoder IS PORT( inp : IN STD_LOGIC_VECTOR(2 DOWNTO 0); Outp: OUT STD_LOGIC_VECTOR(7 DOWNTO 0)); END decoder; ENTITY decoder IS PORT( inp : IN STD_LOGIC_VECTOR(3 DOWNTO 0); Outp: OUT STD_LOGIC_VECTOR(8 DOWNTO 0)); END decoder; ENTITY decoder IS PORT( inp : IN STD_LOGIC_VECTOR(7 DOWNTO 0); Outp: OUT STD_LOGIC_VECTOR(2 DOWNTO 0)); END decoder;

Which of the following entity declares the ?ports of a 3 by 8 decoder ENTITY decoder IS PORT( inp : IN STD LOGIC_VECTOR(8 DOWNTO 0); Outp: OUT STD_LOGIC_VECTOR(3 DOWNTO 0)); END decoder; ENTITY decoder IS PORT( inp : IN STD_LOGIC_VECTOR(2 DOWNTO 0); Outp: OUT STD_LOGIC_VECTOR(7 DOWNTO 0)); END decoder; ENTITY decoder IS PORT( inp : IN STD_LOGIC_VECTOR(3 DOWNTO 0); Outp: OUT STD_LOGIC_VECTOR(8 DOWNTO 0)); END decoder; ENTITY decoder IS PORT( inp : IN STD_LOGIC_VECTOR(7 DOWNTO 0); Outp: OUT STD_LOGIC_VECTOR(2 DOWNTO 0)); END decoder;

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Describe the function of a decoder circuit. identify the types and quantity of gates needed to implement a 3-to-8 decoder; either create (or give the location in the text) of a logic diagram of a decoder circuit A decoder is a circuit that changes a input code into a set of signals. It is just the reverse process of encoding, A common type of decoder is a binary decoder, which is a combinational logic circuit that converts binary information from the n coded inputs to a maximum of 2n unique outputs. It takes a binary input, usually in a coded form, and produces a one-bit output, on each of a number of output lines. The logic state (1 or 0) on any of the output lines depends on a particular code appearing on the input lines. Binary decoders are used in a wide variety of applications, including data demultiplexing, seven segment displays, and memory address decoding. If we want to buy a 1 of 8 decoder/ demultiplexer, please give the…
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