公开(公告)号：US10108250B2

公开(公告)日：2018-10-23

申请号：US15230734

申请日：2016-08-08

Applicant: SK hynix Inc.

Inventor： Yong Ju Kim ,  Jung Hyun Kwon ,  Donggun Kim ,  Sungeun Lee ,  Jae Sun Lee ,  Sang Gu Jo ,  Jingzhe Xu ,  Do Sun Hong

IPC: G06F1/32 ,  G06F12/02 ,  G06F12/1009 ,  G06F12/121 ,  G11C11/4074 ,  G11C11/4091 ,  G11C11/406

Abstract: In an embodiment of the present disclosure, a memory module may be provided. In an embodiment of the present disclosure, a system may be provided. In an embodiment of the present disclosure, an operation of a system and memory module may be provided. The memory module may include a plurality of ranks in which a defragmentation operation of a memory is performed based on entrance of a low-power operation mode, and a vacant region of the memory is powered off based on entrance of a self-refresh mode after the defragmentation operation is ended. The memory module may include a page table of which data are updated based on an ending of the defragmentation operation of the memory.