Back to results
US 2011/0255357 A1Published application
Dynamic random access memory (dram) refresh
AssigneeFreescale Semiconductor, Inc.
InventorsPERRY H. PELLEY, III, GEORGE P. HOEKSTRA
Life of this patent
Estimating the term…
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.
Claims6
A method for refreshing a Dynamic Random Access Memory (DRAM) comprising:
- performing a refresh on a first 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 including one or more rows of the DRAM which do not meet a data retention criteria at the first refresh rate, and wherein the second refresh rate is greater than the first refresh rate.
-20. (canceled)
Dependencies are inferred from the claim text.