Selective match line pre-charging in a CAM device using...

Details Selective match line pre-charging in a CAM device using... Selective match line pre-charging in a CAM device using...

2006-05-23

2006-05-23

Phan, Trong (Department: 2827)

Static information storage and retrieval

Associative memories

Ferroelectric cell

C365S189070

Reexamination Certificate

active

07050318

ABSTRACT:
A CAM device for comparing a search key with a plurality of CAM words stored in a main CAM array includes a pre-compare CAM array and match line control logic. The pre-compare CAM array includes a plurality of rows, each for storing a set of pre-compare bits generated by performing a logical function on a corresponding CAM word. The match line control logic selectively pre-charges match lines in the main CAM array in response to match results from a pre-compare operation between an encoded search key and corresponding sets of pre-compare bits.

REFERENCES:
patent: 6865098 (2005-03-01), Ichiriu et al.
patent: 6903953 (2005-06-01), Khanna
patent: 6906937 (2005-06-01), Nataraj
patent: 6910097 (2005-06-01), Srinivasan et al.
patent: 6934796 (2005-08-01), Pereira et al.

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