Multiple bit memory cells and methods for reading non-volatile data
US6944042B2 · kind B2 · utility
29Cited by
24References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 31, 2002 |
| Grant date | Sep 13, 2005 |
| Priority date | — |
| Expiry date | Dec 31, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C14/0072
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Memory cells are disclosed comprising volatile and non-volatile portions, where the non-volatile portions provide storage of multiple non-volatile data states or bits per memory cell. Methods are provided for reading non-volatile data states from a non-volatile portion of a memory cell into a volatile portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.