Storage device and method for reading the same
US8422291B2 · kind B2 · utility
9Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2010 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Apr 16, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C29/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The storage device includes a storage unit configured to store data, an error controlling unit configured to correct an error of the data read out from the storage unit according to at least one read level, and a read level controlling unit configured to control the at least one read level when the error is uncorrectable. The read level controlling unit is configured to measure a distribution of memory cells of the storage unit, configured to filter the measured distribution, and configured to reset the at least one read level based on the filtered distribution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.