Efficient transfer of hard data and confidence levels in reading a nonvolatile memory
US11847342B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 28, 2021 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Jan 22, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0679
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for data storage, includes circuitry and a plurality of memory cells. The circuitry is configured to store data in a group of multiple memory cells by writing multiple respective input storage values to the memory cells in the group, to read respective output storage values from the memory cells in the group after storing the data, to generate for the output storage values multiple respective confidence levels, to produce composite data that includes the output storage values, to test a predefined condition that depends on the confidence levels, upon detecting that the condition is met, to compress the confidence levels to produce compressed soft data, and include the compressed soft data in the composite data, and to transfer the composite data over an interface to a memory controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.