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Programmable Array Logic

   Also found in: Acronyms, Wikipedia 0.03 sec.
(hardware)Programmable Array Logic - (PAL) A family of fuse-programmable logic integrated circuits originally developed by MMI. Registered or combinatorial output functions are modelled in a sum of products form. Each output is a sum (logical or) of a fixed number of products (logical and) of the input signals. This structure is well suited for automatic generation of programming patterns by logic compilers.

PAL devices are programmed by blowing the fuses permanently using overvoltage.

Today, more complex devices based on the same original architecture are available (CPLD's for Complex PLD's) that incorporate the equivalent of several original PAL chips. PAL chips are, however, still popular due to their high speed.

Generic Array Logic devices are reprogrammable and contain more logic gates.


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A new programmable array logic (PAL) from Flite Electronics also preserves the backward compatibility of the Trainer and provides additional addressing logic, which allows programs to be run from the microcontroller's internal flash memory.
Crossware Enhances 8051 Trainer with Flash Microcontroller and ... by Business Wire
Founded in 1988 by the inventors of programmable array logic (PAL(R)), QuickLogic is located at 1277 Orleans Drive, Sunnyvale, CA 94089-1138.
QuickLogic Corporation Announces Record Q3 2000 Results by Business Wire
Founded in 1988 by the inventors of programmable array logic (PAL(R)), QuickLogic is located at 1277 Orleans Drive, Sunnyvale, CA 94089-1138.
QuickLogic Corporation Announces Record Q2 2000 Results; Revenues Up ... by Business Wire
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