Method and circuit configuration for refreshing data in a...

Static information storage and retrieval – Read/write circuit – Data refresh

Reexamination Certificate

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C365S230060, C365S189120

Reexamination Certificate

active

07345940

ABSTRACT:
Methods and circuit configurations for refreshing data in a semiconductor memory device in which refresh operations are performed for a limited number of rows. The limited number of rows may include only those rows that contain valid data, for example, as determined by monitored write operations.

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PCT International Search Report and Written Opinion dated Apr. 27, 2005.

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