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US 10,310,983 B2Granted
Data storage device and operating method thereof
AssigneeSK hynix Inc.
InventorsSeung Gu Ji, Byeong Gyu Park
Life of this patent
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Abstract
An operating method for a data storage device may include: reading data from a first memory region of a storage medium; storing the read data in a data buffer; and writing the data stored in the data buffer to a second memory region of the storage medium, based on a read count for the first memory region.
Claims18
An operating method of a data storage device, comprising:
- reading data from a first memory region of a storage medium;
- storing the read data in a data buffer;
- and
- writing the data stored in the data buffer to a second memory region of the storage medium, based on a read count for the first memory region.
1 more element
An operating method for a data storage device, comprising:
- determining whether a read count value of a memory region included in a storage medium exceeds a threshold count value;
- and
- whenever a read request for the memory region is received from an external device, writing read-requested data stored in the memory region to another memory region included in the storage medium while leaving the other data stored in the memory region as is, after the read count value is determined to exceed the threshold count value.
A data storage device comprising:
- a storage medium comprising a plurality of memory regions;
- and
- a controller suitable for reading original data stored in a memory region of the storage medium in response to a read request received from an external device, increasing a read count value of the memory region, determining whether the read count value exceeds a threshold count value, and invalidating the original data among data stored in the memory region while leaving the other data stored in the memory region as is, depending on the determination result.
Dependencies are inferred from the claim text.