Programmable logic devices sometimes consist of a number of fuses which are intact in the original, unprogrammed PLD. The internal logic and connections may be modified by the user during the programming process which is done using a dedicated software application. Programmable logic devices contain multiple logic elements such as flip flops as well as AND and OR gates which can be configured by the user. How Do Programmable Logic Devices (PLDs) Work? Unlike these typical integrated circuits, Programmable Logic Devices can be reconfigured to perform various functions based on the requirements of the user. Compared to a PLD, a typical ASIC/chip consists of logic gates and has a fixed function that it has been designed and programmed to perform one functionality. Programmable Logic Devices have programmable elements that can be modified and programmed using a special program even after the product left the manufacturing site. A Programmable Logic Device is an individual, programmable electronic chip which can be used as an element to build digital circuits that can be reconfigured. PLD stands for Programmable Logic Device.
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