Data storage device, operating method thereof and data processing system including the same

摘要

A data storage device includes a nonvolatile memory device; and a controller suitable for controlling an operation of the nonvolatile memory device in response to a request from an external device, wherein the controller comprises a victim block setup unit suitable for setting a victim block for a merge operation based on an error count, which is detected when a read operation of the nonvolatile memory device is performed, and for storing information of the victim block for the merge operation, and wherein the controller converts the victim block into a free memory block during the merge operation and reuses the free memory block to store data.

主权项

1. A data storage device comprising:
a nonvolatile memory device; and a controller suitable for controlling an operation of the nonvolatile memory device in response to a request from an external device, wherein the controller comprises a victim block setup unit suitable for setting a victim block for a merge operation based on an error count, which is detected when a read operation of the nonvolatile memory device is performed, and for storing information of the victim block for the merge operation, and wherein the controller converts the victim block into a free memory block during the merge operation and reuses the free memory block to store data.