Noise reduction in a CAM memory cell

Details Noise reduction in a CAM memory cell Noise reduction in a CAM memory cell

2005-10-11

2005-10-11

Elms, Richard (Department: 2824)

Static information storage and retrieval

Hardware for storage elements

Shields

C365S206000, C365S049130

Reexamination Certificate

active

06954369

ABSTRACT:
A dynamic CAM cell has features that reduce the effect of noise within a CAM array. By shielding the matchline from the wordline, noise transmitted from the matchline to the wordline is reduced. By placing the searchline equally distant from a bitline and the bitline complement, the noise transmitted by the searchline is received equivalently by both the bitline and the bitline complement and therefore cancelled out.

REFERENCES:
patent: 5949696 (1999-09-01), Threewitt
patent: 6320777 (2001-11-01), Lines et al.
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patent: 2002/0067632 (2002-06-01), Batson et al.
patent: 2002/0141218 (2002-10-01), Foss et al.
patent: 2003/0002313 (2003-01-01), Chadwick et al.

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