公开(公告)号：US20170300419A1

公开(公告)日：2017-10-19

申请号：US15638582

申请日：2017-06-30

Applicant: HUAWEI TECHNOLOGIES CO.,LTD. ,  Fudan University

Inventor： RenHua Yang ,  Junfeng Zhao ,  Wei Yang ,  Yuangang Wang ,  Yinyin Lin

IPC: G06F12/08 ,  G11C11/406 ,  G06F12/10 ,  G06F12/02 ,  G06F11/14

CPC classification number: G06F12/0868 ,  G06F11/14 ,  G06F12/0246 ,  G06F12/0802 ,  G06F12/109 ,  G06F13/28 ,  G11C11/40615 ,  G11C11/40622 ,  Y02D10/13 ,  Y02D10/14 ,  Y02D10/151

Abstract: A memory access method, a storage-class memory, and a computer system are provided. The computer system includes a memory controller and a hybrid memory, and the hybrid memory includes a dynamic random access memory (DRAM) and a storage-class memory (SCM). The memory controller sends a first access instruction to the DRAM and the SCM. When determining that a first memory cell set that is of the DRAM and to which a first address in the received first access instruction points includes a memory cell whose retention time is shorter than a refresh cycle of the DRAM, the SCM may obtain a second address having a mapping relationship with the first address. Further, the SCM converts, according to the second address, the first access instruction into a second access instruction for accessing the SCM, to implement access to the SCM.

公开(公告)号：US09741418B2

公开(公告)日：2017-08-22

申请号：US15333235

申请日：2016-10-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yarong Fu ,  Junfeng Zhao ,  Yuangang Wang ,  Wei Yang ,  Yinyin Lin ,  Kai Yang

IPC: G11C5/02 ,  G11C19/08 ,  G11C11/16 ,  G11B5/65 ,  G11B5/012

CPC classification number: G11C11/1675 ,  G11B5/012 ,  G11B5/653 ,  G11B5/656 ,  G11C11/16 ,  G11C19/0841

Abstract: A write apparatus and a magnetic memory, where the write apparatus includes a first drive port, a second drive port, a first information storage area, a second information storage area, and an information buffer. A first area locates between the first information storage area and the information buffer. A second area locates between the second information storage area and the information buffer. The first information storage area, the second information storage area, and the information buffer are made of a first magnetic material. The first area and the second area are made of a second magnetic material. Magnetic energy of the first magnetic material is higher than magnetic energy of the second magnetic material. The write apparatus can ensure write stability of the magnetic memory.

公开(公告)号：US20170133074A1

公开(公告)日：2017-05-11

申请号：US15406209

申请日：2017-01-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kai Yang ,  Junfeng Zhao ,  Yuangang Wang ,  Wei Yang ,  Yinyin Lin ,  Yarong Fu

IPC: G11C11/16

CPC classification number: G11C11/1675 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/5607 ,  G11C19/0808 ,  G11C19/0841 ,  G11C19/0866

Abstract: A magnetic storage apparatus is disclosed, and is configured to access data. The magnetic storage apparatus includes a magnetic storage track, a first write apparatus, a second write apparatus, and a drive apparatus. The first write apparatus and the second write apparatus are located at different positions on the magnetic storage track. The first write apparatus is configured to write first data “0” or second data “1”. The second write apparatus is configured to write third data “2” and fourth data “3”.

公开(公告)号：US20160203835A1

公开(公告)日：2016-07-14

申请号：US15078594

申请日：2016-03-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yinyin Lin ,  Yarong Fu ,  Kai Yang ,  Wei Yang ,  Yuangang Wang ,  Junfeng Zhao

IPC: G11B5/09

CPC classification number: G11B5/09 ,  G11B5/02 ,  G11B2005/0002 ,  G11C11/02 ,  G11C11/15 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/1675 ,  G11C11/5607 ,  G11C19/0808 ,  G11C19/0841

Abstract: An information storage apparatus includes a magnetic track, a writer, and a reader, where the magnetic track includes a number of magnetic domains. Each magnetic domain is divided into at least two magnetic regions, and the writer is disposed on the magnetic track, and configured to write information to the at least two magnetic regions of each magnetic domain. The reader, disposed on the magnetic track, is configured to read the written information from the at least two magnetic regions. Therefore, multiple pieces of valid information are written to one magnetic domain of the magnetic track, thereby increasing storage density of the magnetic track, and expanding a storage capacity of the storage apparatus.

Abstract translation: 信息存储装置包括磁道，写入器和读取器，其中磁道包括多个磁畴。 每个磁畴被分成至少两个磁性区域，并且写入器设置在磁道上，并被配置为将信息写入每个磁畴的至少两个磁性区域。 设置在磁道上的读取器被配置为从至少两个磁性区域读取写入的信息。 因此，将多条有效信息写入磁道的一个磁畴，从而增加磁道的存储密度，并扩大存储装置的存储容量。

公开(公告)号：US10976800B2

公开(公告)日：2021-04-13

申请号：US15882612

申请日：2018-01-29

Applicant: Huawei Technologies Co., Ltd. ,  Fudan University

Inventor： RenHua Yang ,  Junfeng Zhao ,  Wei Yang ,  Shihai Xiao ,  Yinyin Lin ,  Yi Wei

IPC: G06F1/3287 ,  G06F3/06 ,  G06F1/3228 ,  G06F1/3234 ,  G06F9/4401 ,  G06F12/0868

Abstract: An electronic device includes a processor, a volatile memory, and a non-volatile memory. The non-volatile memory stores a first operating system, and the electronic device works in a first working mode and a second working mode. When the electronic device is in the first working mode, a second operating system is run in the volatile memory. When the processor detects that the electronic device reaches a preset condition for entering the second working mode, the non-volatile memory is enabled, and non-system data in the volatile memory is moved to the non-volatile memory. The non-system data does not include the second operating system. After the movement of the non-system data is completed, the volatile memory is disabled, and the first operating system is run in the non-volatile memory, so that the electronic device enters the second working mode.