- noun (written as PLA)an integrated circuit that can be permanently programmed to perform logic operations on data using a matrix of links between input and output pins.
- acronym forprogrammable logic array (written as PLA)
- (written as PLA)Abbreviation of programmable logic array. A logic array which instead of being programmed at a factory, is done so by an end user, usually during installation. PLAs can only be programmed once.