Latch - introductio to microprocessors , Electrical Engineering

Assignment Help:

Latch

A 8 bit  latch comprises of transparent latch D flip  flop. It is commonly  used  to interface output  device with  microprocessor. A typical example of such 8 bit  latch 74LS373 is shown in figure.

The devices  includes  eight  D latches with tri  buffers  only on eis shown in figure for clarity 8 input lines ( ID to 8D)  are connected to data bus and 8  output  lines  to output devices. The  enable signal is connected to clock ( LK). The  enable signal  is actives  high,  when it goes high data are latched from data bus. The  output  control  signal  is active low and  it enables the tri state buffers to output  data to output  devices.

The concept  of interfacing microprocessor with  output  device will be one  more clear after  reading chapter7.


Related Discussions:- Latch - introductio to microprocessors

The a.c/d.c. generator - electromagnetic torque, Note, the armature curren...

Note, the armature current is produced in pulses as the armature rotates under the poles, so the torque also pulsates. This can give rise to extra wear on bearings and the engin

Explain low-frequency response of rc coupled amplifier, Q. Explain low-freq...

Q. Explain low-frequency response of RC coupled amplifier. What are the reasons for reduction in gain at low frequencies? The RC coupled amplifier circuit contains capacit

Harmonics, how harmonics shows effect on power systems?

how harmonics shows effect on power systems?

Semiconductor equations, Semiconductor Equations  The semiconductor e...

Semiconductor Equations  The semiconductor equations that are relating these variables are shown below: Carrier density: n = n i exp (E FN - E i / KT)        (1)

Active-mode pnp transistors in circuits, Active-mode PNP transistors in cir...

Active-mode PNP transistors in circuits: In the figure, the arrows showing current point in the direction of conventional current - the flow of electrons is in the opposite di

Impact of diversity, Both GSM and DECT use GMSK, but with different Gaussia...

Both GSM and DECT use GMSK, but with different Gaussian filters (BGT = 0.3 in GSM, BGT = 0.5 in DECT). What are the advantages of having a larger bandwidth time product? Why is the

8085microprocessor architecture , Normal 0 false false fals...

Normal 0 false false false EN-IN X-NONE X-NONE 8085MICROPROCESSOR ARCHITECTURE

What are the advantages of digital cameras, What are the Advantages of digi...

What are the Advantages of digital cameras Advantages of digital cameras over manual cameras include: no processing costs (As there is no need to develop film or make prints),

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