公开(公告)号：US09984757B2

公开(公告)日：2018-05-29

申请号：US15351576

申请日：2016-11-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joon-Ho Lee ,  Sil-Wan Chang ,  Hyun-Jin Choi ,  Dong-Hoon Ham

IPC: G11C16/26 ,  G11C5/14 ,  G11C16/04 ,  G11C16/30 ,  G11C16/34 ,  G11C11/56

CPC classification number: G11C16/26 ,  G11C5/144 ,  G11C11/5642 ,  G11C16/0483 ,  G11C16/30 ,  G11C16/3418

Abstract: An operating method of a memory controller, configured to control a non-volatile memory device that performs a refresh read operation, detects a power on state or power off state of the non-volatile memory device and issues a refresh read command. The non-volatile memory device that receives the refresh read command is controlled to perform, one time, the refresh read operation including a read operation on one of a plurality of word lines with respect to each of the plurality of memory blocks.