Nonvolatile memory device with regions having separately programmable secure access features and related methods and systems
US11411747B2 · kind B2 · utility
2Cited by
3References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 14, 2020 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Dec 14, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3242
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A device can include a plurality of regions, each region including a plurality of nonvolatile memory cells; a permission store configured to store a set of permission values, including at least one permission value for each region in a nonvolatile fashion; and access control circuits configured to control access to each region according to the permission value for the region, including one or more of requiring authentication to access the region, encrypting data read from the region, and decrypting data for storage in the region. Related methods and systems are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.