Non volatile mass storage device with improved refresh algorithm
US10770128B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Sep 28, 2018 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Sep 28, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2211/4063
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A refreshing method is described. The method includes recognizing a set of blocks of a non-volatile memory for refreshing and then refreshing a subset of the data within the blocks, where, invalid data within the blocks is not recognized for refreshing and a group of blocks whose oldest data has not aged for a pre-set time period is not recognized for refreshing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.