System and method for refreshing random access memory cells

Details System and method for refreshing random access memory cells System and method for refreshing random access memory cells

2004-07-01

2008-10-07

Bragdon, Reginald G. (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S105000, C711S163000, C711S167000, C711S168000

Reexamination Certificate

active

07433996

ABSTRACT:
A method for operating a memory device that comprises periodically generating a refresh request signal for performing a refresh operation, providing an access request signal for performing an access operation, performing the refresh operation if the refresh request signal occurs prior to the access request signal, and performing the access operation if the access request signal occurs prior to the refresh request signal.

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patent: 6859415 (2005-02-01), Takatsuka et al.
patent: 7093067 (2006-08-01), Sunaga et al.
patent: 2004/0199717 (2004-10-01), Kanda et al.

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