Updating read voltages using syndrome weight comparisons
US9697905B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2014 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | Dec 4, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2029/0411
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method performed at a data storage device includes adjusting a first read voltage and a second read voltage to form sets of read voltages. First representations of data are read from a logical page in the non-volatile memory according to the sets of read voltages. The first representations of the data correspond to multiple values of the first read voltage and the second read voltage. The first representations of the data are stored in a memory and second representations of the data are generated based on the first representations. A value of the first read voltage is selected based on syndrome weights corresponding to the second representations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.