Memory system and control method thereof
US8015347B2 · kind B2 · utility
13Cited by
9References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2009 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Sep 2, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7211
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A memory system includes a nonvolatile memory including a plurality of blocks as data erase units, a measuring unit which measures an erase time at which data of each block is erased, and a block controller which writes data supplied from at least an exterior into a first block which is set in a free state and whose erase time is oldest.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.