Semiconductor memory device storing memory characteristic information, memory module and memory system having the same, and operating method thereof
US9058897B2 · kind B2 · utility
11Cited by
7References
30Claims
0Family size
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Key dates
| Filing date | Nov 6, 2012 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Jun 28, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2211/4061
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A semiconductor memory device includes a cell array including a plurality of regions accessed by first addresses, where the plurality of regions including at least two groups of regions having respectively different memory characteristics. The device further includes a nonvolatile array for nonvolatile storage of group information indicative of which of the least two groups each of the plurality of regions belongs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.