Digital Electronics - Vol 1 | 9. Programmable Logic Devices - Part A by Abraham | Learn Smarter
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9. Programmable Logic Devices - Part A

Programmable Logic Devices (PLDs) play a crucial role in digital electronics by enabling users to configure logic functions according to their needs. This chapter contrasts fixed logic devices with PLDs, highlights the advantages and disadvantages of each, and outlines various types of PLDs, including Programmable ROMs, Programmable Logic Arrays, and Complex Programmable Logic Devices. Ultimately, the chapter provides insights into the architecture, applications, and programmability of these devices, illustrating their significance in modern electronic design.

Sections

  • 9

    Programmable Logic Devices

    This section introduces programmable logic devices (PLDs) which allow users to configure logic functions dynamically, contrasting them with fixed logic devices.

    Learning Practice

  • 9.1

    Fixed Logic Versus Programmable Logic

    This section discusses the differences between fixed logic devices and programmable logic devices (PLDs), highlighting their characteristics, advantages, and use cases.

    Learning Practice

  • 9.1.1

    Advantages And Disadvantages

    This section discusses the advantages and disadvantages of programmable logic devices (PLDs) in comparison to fixed logic devices.

    Learning Practice

  • 9.2

    Programmable Logic Devices – An Overview

    This section introduces Programmable Logic Devices (PLDs), outlining their types, features, advantages, and applications.

    Learning Practice

  • 9.2.1

    Programmable Roms

    Programmable ROMs are programmable logic devices that allow users to implement arbitrary combinational functions based on predefined architecture.

    Learning Practice

  • 9.2.2

    Programmable Logic Array

    This section discusses Programmable Logic Arrays (PLAs), highlighting their architecture, operational capabilities, and differences from other programmable and fixed logic devices.

    Learning Practice

  • 9.2.3

    Programmable Array Logic

    The section discusses Programmable Array Logic (PAL), highlighting its architecture and functionality as a type of programmable logic device.

    Learning Practice

  • 9.2.4

    Generic Array Logic

    Generic Array Logic (GAL) devices are similar to Programmable Array Logic (PAL) devices but allow for the erasing and reprogramming of the logic functions, making them particularly useful during device prototyping.

    Learning Practice

  • 9.2.5

    Complex Programmable Logic Device

    Complex Programmable Logic Devices (CPLDs) are advanced programmable logic devices that integrate multiple logic blocks with programmable interconnections.

    Learning Practice

  • 9.2.6

    Field-Programmable Gate Array

    A field-programmable gate array (FPGA) is a versatile programmable device allowing users to configure an array of logic blocks as needed.

    Learning Practice

  • 9.3

    Programmable Roms

    Programmable ROMs, including PROMs and EPROMs, enable users to store arbitrary binary information and implement complex combinational logic functions.

    Learning Practice

  • 9.4

    Programmable Logic Array

    A Programmable Logic Array (PLA) allows direct implementation of logic functions in sum-of-products form through programmable AND and OR gate arrays.

    Learning Practice

References

chapter 9 part A.pdf

Class Notes

Memorization

What we have learnt

  • PLDs differ from fixed logi...
  • The design cycle for PLDs i...
  • Various types of PLDs, such...

Final Test

Revision Tests