Memory device and password storing method thereof
US7895406B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 20, 2007 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Jun 28, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
To provide a memory device and a password storing method thereof, according to which an improved security function is realized by resourcefully designing the storage position and/or storing order of password data stored in the memory device to prevent unauthorized password acquisition. The memory device makes a determination of whether or not rewriting and/or reading of data is permitted by verification of a password, the memory device comprising a plurality of partial memory areas which store a plurality of partial bit strings that comprise a bit string of the password, and wherein the plurality of partial memory areas are located apart from each other in a memory cell array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.