Content addressable memory having column redundancy

Details Content addressable memory having column redundancy Content addressable memory having column redundancy

2006-03-21

2006-03-21

Elms, Richard (Department: 2824)

Static information storage and retrieval

Read/write circuit

Bad bit

C365S189050, C365S049130

Reexamination Certificate

active

07016243

ABSTRACT:
A content addressable memory (CAM) having a main array including a plurality of columns of CAM cells, a spare column of CAM cells selectable to functionally replace a defective column of CAM cells in the main array, and circuitry to shift data corresponding to the defective column and data corresponding to all subsequent columns to corresponding adjacent non-defective columns.

REFERENCES:
patent: 6397313 (2002-05-01), Kasa et al.
patent: 6804135 (2004-10-01), Srinivasan et al.
patent: 6839256 (2005-01-01), Proebsting et al.

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