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Exclusive or PLA and Array Disclosure Number: IPCOM000054025D
Original Publication Date: 1980-Dec-01
Included in the Prior Art Database: 2005-Feb-12

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Grice, D McClurg, R Pi, SC [+details]


This three-part programmed logic array (PLA) includes array I which operates on operand A, array II which operates on operand B and array III which is located between I and II on the same chip and comprises two-bit partition circuitry fed by I and II. In the example shown the logic function to be implemented includes three functions of two data fields: Function I of data field A; Function II of data field B; and the comparison of data fields A and B to check if they are equal.