Describe 74ls139 memory decoder, Electrical Engineering

Assignment Help:

Describe 74LS139 memory decoder.

The 74LS139 is a dual 2-to-4 line decoder. This contains two separate 2-to-4 line decoders - all with its address, output and enable connections.

2243_74LS139 memory decoder.png

The Pin-out of the 74LS139


Related Discussions:- Describe 74ls139 memory decoder

Hold input - externally initiated signals , HOLD Input This  signal (W...

HOLD Input This  signal (When  goes high ) indicates that  other device ( such as DMA Controller) is requesting the  use of  address and data buses. DMA controller is  explaine

Determine the time delay of the cable, Q. Determine the time delay of the c...

Q. Determine the time delay of the cable? An RG-213/U (radio guide 213/universal coaxial cable) is a small-sized, flexible, double-braided cable with silvered-copper conductors

Design of a p only controller, For an operating point half way up the paral...

For an operating point half way up the parallel section and the discharge valve and the discharge fully open, design a proportional only controller which will give closed loop dyna

de1 board, You will design a significant project on the DE1 board. In some...

You will design a significant project on the DE1 board. In some cases you may want to use the breadboard as well - note that all of the pins at the bottom of the breadboard are lab

Mesh analysis procedure, Mesh analysis procedure : 1.  Assign a distinct...

Mesh analysis procedure : 1.  Assign a distinct current to every closed loop of the network. 2.  Apply KVL around every closed loop of the network. 3.  Solve the resulting

Compute the terminal voltage and current of each generator, Q. Three dc gen...

Q. Three dc generators are operating in parallel with excitations such that their external characteristics are almost straight lines over the working range with the following pairs

Illustrate procedure of hex to binary conversion, Q. Illustrate procedure o...

Q. Illustrate procedure of Hex to Binary Conversion? It is also simple to convert from an integer hex number to binary. This is achieved by: Convert the Hex number t

Conductometry experiment, why conductance is not zero at end pont? reply as...

why conductance is not zero at end pont? reply as soon as possible.

Calculate the amplitude and the frequency of the sine wave, (a) The key el...

(a) The key elements of a protocol are the syntax, semantics and timing. Give a brief explanation of each of these key elements. (b) A file contains 4 million bytes. Compare

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd