Circuit for multiple match hit CAM readout

An apparatus for reading out multiple match hits from a content addressable memory (CAM), comprising a priority encoder for receiving a plurality of matchlines from a CAM and for encoding addresses of the CAM that are associated with the matchlines that indicate a match, and a matchline mask system...

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Bibliographische Detailangaben
Hauptverfasser: ANDERSEN WILLIAM R, HEINRICH JOSEPH H
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An apparatus for reading out multiple match hits from a content addressable memory (CAM), comprising a priority encoder for receiving a plurality of matchlines from a CAM and for encoding addresses of the CAM that are associated with the matchlines that indicate a match, and a matchline mask system for selectively masking off a matchline that indicates a match from the priority encoder after the address associated with that matchline is encoded by the priority encoder.