Intelligent CAM cell for CIDR processor
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United States of America Patent
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Issued Date -
Jan 2, 2003
app pub date -
May 24, 2001
filing date -
May 24, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An intelligent content addressable memory (CAM) cell for CIDR co-processors is disclosed. The CAM cell is operative to search and compare external data from an external search data key with stored data. The CAM cell comprises means for containing the stored data and means for enabling a mask prefix read path for a work matching the external search data key. Furthermore, the CAM cell includes means for merging a mask prefix pattern of all matching entries in order to generate a device longest prefix match. A comparison is made between the device longest prefix match and word mask prefix data in order to find the desired data.
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