公开(公告)号：US20210365367A1

公开(公告)日：2021-11-25

申请号：US17149366

申请日：2021-01-14

Applicant: SK hynix Inc.

Inventor： Jin Woo KIM ,  Jin Woong KIM ,  Hui Jae YU

IPC: G06F12/02 ,  G06F12/1009 ,  G06F3/06

Abstract: A storage device includes a nonvolatile memory including a plurality of first blocks having memory cells each configured to store one bit of data and a plurality of second blocks having memory cells each configured to multiple bits of data; and a controller configured to determine whether or not a number of use-completed second blocks, each of which has a first threshold number or less of valid pages, among use-completed second blocks of the plurality of second blocks, is equal to or larger than a second threshold number and to select, according to a determination result, a victim block on which garbage collection is to be performed among used-completed first blocks of the plurality of first blocks or the use-completed second blocks each having the first threshold number or less of valid pages.

公开(公告)号：US20210217466A1

公开(公告)日：2021-07-15

申请号：US17217176

申请日：2021-03-30

Applicant: SK hynix Inc.

Inventor： Jin Woong KIM ,  Ji Hoon YIM

IPC: G11C11/406 ,  G11C16/34 ,  G11C16/16 ,  G11C11/4093

Abstract: A storage device comprising: a nonvolatile memory device including a plurality of memory blocks; and a device controller configured to control the nonvolatile memory device to determine a memory block to perform a refresh operation and to control the memory block to perform the refresh operation to recover data of the memory block.

公开(公告)号：US20160291871A1

公开(公告)日：2016-10-06

申请号：US14820302

申请日：2015-08-06

Applicant: SK hynix Inc.

Inventor： Jin Woong KIM ,  Ji Hong KIM

IPC: G06F3/06

CPC classification number: G06F3/064 ,  G06F3/0604 ,  G06F3/061 ,  G06F3/0679

Abstract: A data storage device capable of improving operation performance by optimizing internal operations is disclosed. The operation method of the data storage device includes grouping memory blocks based on the number of valid pages included in each of the memory blocks; and determining whether to perform a merging process on the groups of memory blocks based on a merging determination value.

Abstract translation: 公开了能够通过优化内部操作来提高操作性能的数据存储装置。 数据存储装置的操作方法包括基于每个存储块中包含的有效页数来分组存储块; 以及基于合并确定值来确定是否对所述存储块组进行合并处理。