Static information storage and retrieval – Associative memories – Ferroelectric cell
Reexamination Certificate
2006-05-09
2006-05-09
Nelms, David (Department: 2818)
Static information storage and retrieval
Associative memories
Ferroelectric cell
C365S185250, C365S189011, C365S189070
Reexamination Certificate
active
07042746
ABSTRACT:
A content Addressable memory (CAM) for performing search operations using variable width search data, said CAM comprising a plurality of arrays of CAM cells, each coupled to a respective sub-search data bus, the sub-search buses being confined to form a main search data bus, to which is applied the search data; selector circuits receiving match line signals from respective CAM arrays, the match line signals being indicative of the results of a search and comparison formed in the associated CAM array, the selector circuit being responsive to a mode selection signal for selecting one or more of said match line output signals to be switched to a priority encoder and multiple match resolver (PE-MMR), wherein in a first mode the match line output signals are switched to said PE-MMR and in a second mode groups of match line output signals from selected arrays are switched to said PE-MMR.
REFERENCES:
patent: 6081441 (2000-06-01), Ikeda
patent: 6252789 (2001-06-01), Pereira et al.
patent: 6373738 (2002-04-01), Towler et al.
patent: 6535410 (2003-03-01), Yanagawa
patent: 6771525 (2004-08-01), Roth
Mosaid Technologies Inc.
Nelms David
Tran Long
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