发明名称 |
Dynamic random access memory (DRAM) refresh |
摘要 |
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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申请公布号 |
US7990795(B2) |
申请公布日期 |
2011.08.02 |
申请号 |
US20090388922 |
申请日期 |
2009.02.19 |
申请人 |
FREESCALE SEMICONDUCTOR, INC. |
发明人 |
PELLEY, III PERRY H.;HOEKSTRA GEORGE P. |
分类号 |
G11C7/00 |
主分类号 |
G11C7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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