公开(公告)号：US11210210B2

公开(公告)日：2021-12-28

申请号：US16884158

申请日：2020-05-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xuechao Jia ,  Jea Woong Hyun ,  Tian Xia ,  Linfeng Chen

IPC: G06F12/02 ,  G06F11/07 ,  G06F11/30 ,  G06F12/0882 ,  G11C11/4074 ,  G11C11/408

Abstract: A read latency reduction method includes receiving a read request sent by a host, where the read request includes location indication information of requested data, obtaining, from read voltage management information based on a first physical location indicated by the location indication information, a read voltage corresponding to a first storage area in which the first physical location is located, the flash array includes a plurality of storage areas, the read voltage management information includes a correspondence between a storage area and a read voltage, and the read voltage in the read voltage management information is dynamically updated, and obtaining the requested data based on the read voltage corresponding to the first storage area, and sending the requested data to the host.

公开(公告)号：US20200285575A1

公开(公告)日：2020-09-10

申请号：US16884158

申请日：2020-05-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xuechao Jia ,  Jea Woong Hyun ,  Tian Xia ,  Linfeng Chen

IPC: G06F12/02 ,  G06F12/0882 ,  G06F11/07 ,  G06F11/30 ,  G11C11/4074 ,  G11C11/408

Abstract: A read latency reduction method includes receiving a read request sent by a host, where the read request includes location indication information of requested data, obtaining, from read voltage management information based on a first physical location indicated by the location indication information, a read voltage corresponding to a first storage area in which the first physical location is located, the flash array includes a plurality of storage areas, the read voltage management information includes a correspondence between a storage area and a read voltage, and the read voltage in the read voltage management information is dynamically updated, and obtaining the requested data based on the read voltage corresponding to the first storage area, and sending the requested data to the host.