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.

公开(公告)号：US09190155B2

公开(公告)日：2015-11-17

申请号：US14155960

申请日：2014-01-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joon-Ho Lee ,  Jong-Nam Baek ,  Dong-Hoon Ham ,  Sang-Wook Yoo ,  In-Tae Hwang

IPC: G11C16/06 ,  G11C16/16 ,  G11C16/04

CPC classification number: G11C16/16 ,  G11C16/0483

Abstract: A memory system includes a flash memory including a block having first sub-blocks and second sub-blocks different from each other, the second sub-blocks including free pages only; and a controller configured to erase the flash memory in units of the sub-blocks, and in a garbage collection operation, the controller is configured to copy data of a valid page of the first sub-blocks to at least one of the second sub-blocks.

Abstract translation: 存储器系统包括闪存，其包括具有彼此不同的第一子块和第二子块的块，第二子块仅包括空闲页; 以及控制器，被配置为以子块为单位擦除闪速存储器，并且在垃圾收集操作中，控制器被配置为将第一子块的有效页面的数据复制到第二子块中的至少一个， 块。