NAND step up voltage switching method
US7656709B2 · kind B2 · utility
5Cited by
9References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2007 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Jul 11, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2211/5621
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods and memories having switching points for changing Vstep increments according to a level of a multilevel cell being programmed include programming at a smaller Vstep increment in narrow threshold voltage situations and programming at a larger Vstep increment where faster programming is desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.