Method of operating nonvolatile memory device and memory system
US8018774B2 · kind B2 · utility
4Cited by
2References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 14, 2009 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Mar 10, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/344
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of operating a nonvolatile memory device includes; performing a verification operation on memory cells while controlling a verification voltage until the memory cells are verification-passed, controlling a level of a bias voltage to be applied to the memory cells according to a level of the verification voltage when the memory cells are verification-passed, and applying the bias voltage to the memory cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.