Patent ID: 11899958
Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A method of destroying personal information of a non-volatile memory device including a plurality of memory blocks including a plurality of cell strings that includes at least one string selection transistor each connected between a bitline and a common source line, a plurality of memory cells corresponding to the respective wordlines, and at least one ground selection transistor, the method comprising:
identifying at least one memory block that includes an invalid page in which personal information is stored from among the plurality of memory blocks in response to a personal information destruction request; and
deleting the personal information by applying at least one deletion duty pulse (DDP) to a wordline corresponding to the invalid page,
wherein a number of the at least one DDP is determined to exceed an error correction level of an error correction code (ECC).