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Variable Multifold Programmable Logic Array Disclosure Number: IPCOM000053855D
Original Publication Date: 1981-Nov-01
Included in the Prior Art Database: 2005-Feb-12

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Allard, PE Colbourne, RJ Hannaford, CW Kuschel, WN Vandenberg, KD [+details]


This programmable logic array masterslice includes a contiguous array of independent AND/OR segments with each row of a segment being either an independent product term or a portion of an extended product term. A row of several AND/OR segments connected together forms an extended product term. The technique of enabling each physical array term to contain a single extended product term or several independent product terms allows more effective utilization of array bits and, hence, chip or wafer area.