CAM bit error recovery

A method for content addressable memory (CAM) error recovery that includes detecting an error in an entry of a CAM, identifying an address of the entry in the CAM, copying data from the address in the backup random access memory (RAM) into the entry of the CAM to obtain a corrected CAM, clearing a r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MANULA BRIAN EDWARD, SCHANKE MORTEN, WITTOSCH ROBERT W
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for content addressable memory (CAM) error recovery that includes detecting an error in an entry of a CAM, identifying an address of the entry in the CAM, copying data from the address in the backup random access memory (RAM) into the entry of the CAM to obtain a corrected CAM, clearing a results (first in first out) FIFO structure based on detecting the error, performing, using the corrected CAM, a match request stored in a replay FIFO structure to obtain a revised result, and storing the revised result in the results FIFO structure.