Reducing power consumption for dynamic memories using distributed refresh control
US8347027B2 · kind B2 · utility
3Cited by
8References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 5, 2009 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Sep 30, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/406
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for refreshing memory is provided. The method comprises determining when a first memory of a plurality of memories is not being accessed and sending a refresh opportunity command from a master refresh controller to one of a plurality of local refresh controllers when the first memory is not being accessed, wherein the one of a plurality of local refresh controllers controls only the first memory. The method further comprises determining when the first memory needs refreshing and refreshing the first memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.