Patent ID: 11941271
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. An operating method of a storage device including a controller and a non-volatile memory device including a plurality of blocks, the operating method comprising:
receiving a secure erase request from a host;
counting a number of secure erase operations performed on each of the plurality of blocks when a secure erase operation is performed on at least one of the plurality of blocks in response to the secure erase request;
receiving a secure erase request from the host with respect to a first block among the plurality of blocks; and
selectively performing the secure erase operation on the first block or skipping the secure erase operation on the first block, wherein the performing or the skipping is selected according to a count value corresponding to the first block.