Data storage system and a data retention method thereof
US8593884B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2012 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | May 25, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/3418
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data retention method that includes sampling a plurality of nonvolatile memory devices included in a data storage device to detect retention information for each of the nonvolatile memory devices in response to a request of a host and outputting, from the data storage device to the host, sampling data based on a result of the sampling, determining, at the host, whether to perform a retention operation on each of the nonvolatile memory devices based on the sampling data, and performing the retention operation on each of the nonvolatile memory devices based on a result of the determination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.