Circuit and method for efficient memory repair

A circuit and method of testing a memory and calculating a repair solution for a given address location includes pausing a built in self test (BIST) operation on detection of a failing memory output data of an integrated circuit. During the pause, the circuit and method analyzes n number of groups o...

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Bibliographische Detailangaben
Hauptverfasser: GORMAN KEVIN W, OUELLETTE MICHAEL R, CHICKANOSKY VALERIE H, GRANATO SUZANNE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A circuit and method of testing a memory and calculating a repair solution for a given address location includes pausing a built in self test (BIST) operation on detection of a failing memory output data of an integrated circuit. During the pause, the circuit and method analyzes n number of groups of the failing memory output data during n cycles using analysis logic and calculating a repair solution. Normal operations can be resumed.