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Programmable Logic Device - Technical MCQs

Q1:

A GAL is essentially a ________.

A non-reprogrammable PAL

B PAL that is programmed only by the manufacturer

C very large PAL

D reprogrammable PAL

ANS:D - reprogrammable PAL

PAL (Programmable Array Logic) - It is One-Time Programmable (like EPROM).
GAL (Generic Array Logic) - It is Erasable and Re-programmable (like EEPROM).

GAL device was an innovation of the PAL and was invented by Lattice Semiconductor.