Dynamic random access memory (DRAM) refresh

Details Dynamic random access memory (DRAM) refresh Dynamic random access memory (DRAM) refresh

2011-08-02

2011-08-02

Nguyen, Viet Q (Department: 2827)

Static information storage and retrieval

Read/write circuit

Data refresh

C365S201000, C365S236000

Reexamination Certificate

active

07990795

ABSTRACT:
A method for refreshing a Dynamic Random Access Memory (DRAM) includes performing a refresh on at least a portion of the DRAM at a first refresh rate, and performing a refresh on a second portion of the DRAM at a second refresh rate. The second portion includes one or more rows of the DRAM which do not meet a data retention criteria at the first refresh rate, and the second refresh rate is greater than the first refresh rate.

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PCT Application No. PCT/US2010/021766 Search Report and Written Opinion Mailed May 4, 2010.

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