Data storage device performing recovery operation after sudden power-off and operating method thereof
US10664355B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2017 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Jun 5, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2029/0407
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data storage device includes a nonvolatile memory device; and a controller suitable for: performing a recovery operation for the nonvolatile memory device in response to a sudden power-off based on a recovery state of the nonvolatile memory device; updating the recovery state of the nonvolatile memory device while performing the recovery operation to a predetermined recovery state after performing a repair operation for at least one open memory block of the nonvolatile memory device in the recovery operation; and performing a write operation from after a position where the repair operation is performed in the at least one open memory block, in the predetermined recovery state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.