Programmable Logic Devices (PLD) in Digital Electronics
A
programmable logic device
(
PLD
) is an
component used to build
. Unlike
(IC) which consist of
and have a
fixed function, a PLD has an undefined function at the
.
Before the PLD can be used in a circuit it must
be programmed (reconfigured) by using a specialized program.[1]manufacturetime oflogic gatesintegrated circuitsdigital circuitsreconfigurableelectronic
Digital Electronic Systems
Computer
memory
is any physical
device
capable of
storing information temporarily, like
RAM
(random
access
memory
), or permanently, like ROM (read-only
memory
).
Memory devices
utilize integrated circuits
and are used by operating systems, software, and
hardware.
Memory
Microprocessors
A
microprocessor
is an electronic component that is used by a
computer to do its work. It is a central processing unit on a
single integrated circuit chip containing millions of very small
components including transistors, resistors, and diodes that
work together.
Logic Devices
Logic devices
provide specific functions, including
device
-to-
device
interfacing, data communication,
signal processing, data display, timing and control
operations, and almost every other function a system
must perform
Logic Devices
Fixed-Function Logic Devices
Fixed function logic
refers to digital
logic devices
,
such as a 7408 quad 2-input AND gate, whose
operation cannot change. Circuits that require digital
logic
other than that in a particular
device
must use
other
logic devices
.
Programmable Logic Devices
A
programmable logic device
(PLD) is an electronic
component used to build reconfigurable digital
circuits. Unlike integrated circuits (IC) which consist
of
logic
gates and have a fixed function, a PLD has
an undefined function at the time of manufacture.
Advantages of Programmable Logic Devices
Advantages
of using PLDs are
1- less board space,
2- faster,
3-lower power requirements (i.e., smaller power
supplies),
4- less costly assembly processes,
5- higher reliability (fewer ICs and circuit connections
means easier troubleshooting),
6-availability of design software.
Types of Programmable Logic Devices
Programmable Logic Devices (PLDs) are versatile electronic components used to create reconfigurable digital circuits, distinct from fixed-function integrated circuits. PLDs require programming before use, enabling customization for specific functions. This article explores PLDs, digital electronic systems, memory devices, microprocessors, and logic devices in detail.
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Presentation Transcript
A programmable logic device (PLD) is an electronic component used to build reconfigurable digital circuits. Unlike integrated circuits (IC) which consist of logic gates and have a fixed function, a PLD has an undefined function at the time of manufacture.[1] Before the PLD can be used in a circuit it must be programmed (reconfigured) by using a specialized program.
Digital Electronic Systems Memory 1 Microprocessors 2 Logic 3
Memory Computer memory is any physical device capable of storing information temporarily, like RAM (random access memory), or permanently, like ROM (read-only memory). Memory devices utilize integrated circuits and are used by operating systems, software, and hardware.
Microprocessors A microprocessor is an electronic component that is used by a computer to do its work. It is a central processing unit on a single integrated circuit chip containing millions of very small components including transistors, resistors, and diodes that work together.
Logic Devices Logic devices provide specific functions, including device-to-device interfacing, data communication, signal processing, data display, timing and control operations, and almost every other function a system must perform
Logic Devices Fixed Function Logic Devices 1 Programmable Logic Devices 2
Fixed-Function Logic Devices Fixed function logic refers to digital logic devices, such as a 7408 quad 2-input AND gate, whose operation cannot change. Circuits that require digital logic other than that in a particular device must use other logic devices.
Programmable Logic Devices A programmable logic device (PLD) is an electronic component used to build reconfigurable digital circuits. Unlike integrated circuits (IC) which consist of logic gates and have a fixed function, a PLD has an undefined function at the time of manufacture.
Advantages of Programmable Logic Devices Advantages of using PLDs are 1- less board space, 2- faster, 3-lower power requirements (i.e., smaller power supplies), 4- less costly assembly processes, 5- higher reliability (fewer ICs and circuit connections means easier troubleshooting), 6-availability of design software.
