Data storage device, storage system using the same, and method of operating the same
US11385834B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Jun 9, 2020 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Aug 4, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2213/0026
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data storage device and a storage system including the same are disclosed. The data storage device includes a nonvolatile memory device configured to store user data and metadata including data type identification information matched with the user data, and a controller to control the nonvolatile memory device to be switched to a cold data storage device for storing cold data only when a number of program-erase (PE) cycles of the nonvolatile memory device is equal to or larger than a reference value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.