公开(公告)号：US20220230688A1

公开(公告)日：2022-07-21

申请号：US17712579

申请日：2022-04-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yoo-jung Lee ,  Jang-seok CHOI ,  Duk-sung KIM ,  Hyun-joong KIM

IPC: G11C16/22 ,  G11C16/26 ,  G11C16/08 ,  G11C11/16 ,  G11C11/409 ,  G06F12/14 ,  G06F21/79 ,  G11C11/4078 ,  G11C7/24 ,  G06F21/45 ,  G06F21/62

Abstract: A memory device includes: a memory cell array including a security region configured to store security data; and a security management circuit configured to store a guard key and, responsive to receiving a data operation command for the security region, limit a data operation for the security region by comparing the guard key with an input password that is received by the memory device.

公开(公告)号：US20200176062A1

公开(公告)日：2020-06-04

申请号：US16529100

申请日：2019-08-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yoo-jung LEE ,  Jang-seok CHOI ,  Duk-sung KIM ,  Hyun-joong KIM

IPC: G11C16/22 ,  G11C16/26 ,  G11C16/08 ,  G06F12/14 ,  G11C11/409 ,  G11C11/16

Abstract: A memory device includes: a memory cell array including a security region configured to store security data; and a security management circuit configured to store a guard key and, responsive to receiving a data operation command for the security region, limit a data operation for the security region by comparing the guard key with an input password that is received by the memory device.