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* Programmable logic devices (PLD)
== Advantages
PLDs are often used for address decoding, where they have several clear advantages over the 7400-series TTL parts that they replaced:
One chip requires less board area, power, and wiring than several do.
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== Functions
Programmable Logic Devices (PLDs) are digital devices with configurable logic and flip-flops linked together with programmable interconnect. Logic devices provide specific functions, including:
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Memory cells control and define the function that the logic performs and how the various logic functions are interconnected.
== Fixed vs. Programmable
Logic devices can be classified into two broad categories - fixed and programmable.
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