Content addressable memory with mode-selectable match detect...

Details Content addressable memory with mode-selectable match detect... Content addressable memory with mode-selectable match detect...

2005-09-13

2005-09-13

Lam, David (Department: 2827)

Static information storage and retrieval

Associative memories

Ferroelectric cell

C365S233100, C711S108000

Reexamination Certificate

active

06944039

ABSTRACT:
A content addressable memory (CAM) device with mode-selectable match detect timing. The CAM device includes a plurality of rows of CAM cells coupled to respective match lines. Storage circuits are coupled to the match lines and configured to store match indications signaled thereon in response to assertion of a first timing signal. A timing control circuit is coupled to the storage circuits and configured to assert the first timing signal at either a first instant or a second instant according to the state of a mode select signal.

REFERENCES:
patent: 6195277 (2001-02-01), Sywyk et al.
patent: 6199140 (2001-03-01), Srinivasan et al.
patent: 6230236 (2001-05-01), Schultz et al.
patent: 6351143 (2002-02-01), Guccione et al.
patent: 6661686 (2003-12-01), Srinivasan
patent: 6785152 (2004-08-01), Yiu et al.
patent: 2002/0093347 (2002-07-01), Henderson et al.
“Self-Timed Hit Circuit for a Content Addressable Memory,” IBM Technical Disclosure Bulletin, vol. 38, No. 2, Feb. 1995, pp. 65-66 plus cover and end page.

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