CAM-based search engine devices having index translation...

Details CAM-based search engine devices having index translation... CAM-based search engine devices having index translation...

2007-02-27

2007-02-27

Nguyen, T (Department: 2187)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C711S202000, C711S207000

Reexamination Certificate

active

10743597

ABSTRACT:
An integrated circuit chip includes a search engine including a content addressable memory (CAM) configured to produce CAM indices responsive to search instructions provided to the search engine. The search engine further includes an index translation circuit operatively coupled to the CAM and configured to provide translation of the CAM indices to another memory space, such as from an absolute index space associated with the CAM to a memory space associated with a database within the CAM or to a memory space of a device external to the chip, such as a command source or external SRAM.

REFERENCES:
patent: 5390173 (1995-02-01), Spinney et al.
patent: 5546385 (1996-08-01), Caspi et al.
patent: 6629099 (2003-09-01), Cheng
patent: 6889225 (2005-05-01), Cheng et al.
IDT 4.5 M and 9M Network Search Engine (NSE) with QDR™ Interface, Advanced Information IDT75K52134, IDT 75K62134, May 2003, 78 pages.

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