SG11201908904TA - Memory refresh technology and computer system - Google Patents

Memory refresh technology and computer system

Info

Publication number
SG11201908904TA
SG11201908904TA SG11201908904TA SG11201908904TA SG 11201908904T A SG11201908904T A SG 11201908904TA SG 11201908904T A SG11201908904T A SG 11201908904TA SG 11201908904T A SG11201908904T A SG 11201908904TA
Authority
SG
Singapore
Prior art keywords
memory
computer system
memory refresh
technology
refresh technology
Prior art date
Application number
Other languages
English (en)
Inventor
Xing Hu
Chuanzeng Liang
Shihai Xiao
Kanwen Wang
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11201908904TA publication Critical patent/SG11201908904TA/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406Management or control of the refreshing or charge-regeneration cycles
    • G11C11/40603Arbitration, priority and concurrent access to memory cells for read/write or refresh operations
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406Management or control of the refreshing or charge-regeneration cycles
    • G11C11/40618Refresh operations over multiple banks or interleaving
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/16Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/161Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement
    • G06F13/1636Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement using refresh
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/16Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/1642Handling requests for interconnection or transfer for access to memory bus based on arbitration with request queuing
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/16Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1668Details of memory controller
    • G06F13/1673Details of memory controller using buffers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406Management or control of the refreshing or charge-regeneration cycles
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406Management or control of the refreshing or charge-regeneration cycles
    • G11C11/40611External triggering or timing of internal or partially internal refresh operations, e.g. auto-refresh or CAS-before-RAS triggered refresh
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2211/00Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/401Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C2211/406Refreshing of dynamic cells
    • G11C2211/4061Calibration or ate or cycle tuning

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Dram (AREA)
  • Memory System (AREA)
SG11201908904T 2017-04-14 2017-04-14 Memory refresh technology and computer system SG11201908904TA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/080637 WO2018188083A1 (zh) 2017-04-14 2017-04-14 内存刷新技术及计算机系统

Publications (1)

Publication Number Publication Date
SG11201908904TA true SG11201908904TA (en) 2019-10-30

Family

ID=63793082

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201908904T SG11201908904TA (en) 2017-04-14 2017-04-14 Memory refresh technology and computer system

Country Status (6)

Country Link
US (2) US11074958B2 (zh)
EP (1) EP3605541A4 (zh)
JP (1) JP6780897B2 (zh)
CN (1) CN110520929B (zh)
SG (1) SG11201908904TA (zh)
WO (1) WO2018188083A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3058778C (en) * 2017-04-14 2023-02-21 Huawei Technologies Co., Ltd. Memory refresh technology and computer system
JP6780897B2 (ja) 2017-04-14 2020-11-04 ホアウェイ・テクノロジーズ・カンパニー・リミテッド メモリリフレッシュ技術及びコンピュータシステム
US10685696B2 (en) 2018-10-31 2020-06-16 Micron Technology, Inc. Apparatuses and methods for access based refresh timing
WO2020117686A1 (en) 2018-12-03 2020-06-11 Micron Technology, Inc. Semiconductor device performing row hammer refresh operation
US10957377B2 (en) 2018-12-26 2021-03-23 Micron Technology, Inc. Apparatuses and methods for distributed targeted refresh operations
CN112466361B (zh) * 2020-11-25 2023-11-21 海光信息技术股份有限公司 一种dimm的数据初始化方法、装置、系统及设备
US11782851B2 (en) * 2021-09-01 2023-10-10 Micron Technology, Inc. Dynamic queue depth adjustment
US20230352075A1 (en) * 2022-04-28 2023-11-02 Micron Technology, Inc. Apparatuses and methods for access based refresh operations

Family Cites Families (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59181349A (ja) 1983-02-28 1984-10-15 Konishiroku Photo Ind Co Ltd 熱現像カラ−写真材料
US4680704A (en) * 1984-12-28 1987-07-14 Telemeter Corporation Optical sensor apparatus and method for remotely monitoring a utility meter or the like
US5557578A (en) * 1995-05-01 1996-09-17 Apple Computer, Inc. Dynamic memory refresh controller and method
JPH10149311A (ja) 1996-11-20 1998-06-02 Ricoh Co Ltd メモリ制御装置
JP4154010B2 (ja) 1997-07-17 2008-09-24 キヤノン株式会社 メモリ制御装置およびメモリ制御方法
US6330639B1 (en) * 1999-06-29 2001-12-11 Intel Corporation Method and apparatus for dynamically changing the sizes of pools that control the power consumption levels of memory devices
US7342841B2 (en) 2004-12-21 2008-03-11 Intel Corporation Method, apparatus, and system for active refresh management
TWI317945B (en) 2007-01-12 2009-12-01 Via Tech Inc Memory refresh method and system
CN101000798B (zh) 2007-01-12 2010-05-19 威盛电子股份有限公司 存储器刷新方法及存储器刷新系统
JPWO2009139109A1 (ja) 2008-05-13 2011-09-15 パナソニック株式会社 メモリ制御装置、およびこれを備えた情報処理装置
CN101640065B (zh) * 2008-07-29 2012-07-04 国际商业机器公司 用于嵌入式dram的刷新控制器及刷新控制方法
US8639874B2 (en) 2008-12-22 2014-01-28 International Business Machines Corporation Power management of a spare DRAM on a buffered DIMM by issuing a power on/off command to the DRAM device
JP5155221B2 (ja) 2009-03-11 2013-03-06 ルネサスエレクトロニクス株式会社 メモリ制御装置
CN101620883B (zh) * 2009-07-29 2014-07-09 无锡中星微电子有限公司 一种dram运行频率调整系统及方法
US8369178B2 (en) * 2010-03-08 2013-02-05 Micron Technology, Inc. System and method for managing self-refresh in a multi-rank memory
US8656198B2 (en) * 2010-04-26 2014-02-18 Advanced Micro Devices Method and apparatus for memory power management
KR101818968B1 (ko) * 2010-07-29 2018-01-16 르네사스 일렉트로닉스 가부시키가이샤 반도체 장치 및 데이터 처리 시스템
US9053812B2 (en) * 2010-09-24 2015-06-09 Intel Corporation Fast exit from DRAM self-refresh
US8489807B2 (en) 2010-12-03 2013-07-16 International Business Machines Corporation Techniques for performing refresh operations in high-density memories
US8775725B2 (en) 2010-12-06 2014-07-08 Intel Corporation Memory device refresh commands on the fly
JP2013030246A (ja) * 2011-07-28 2013-02-07 Elpida Memory Inc 情報処理システム
US8539146B2 (en) 2011-11-28 2013-09-17 International Business Machines Corporation Apparatus for scheduling memory refresh operations including power states
US8645770B2 (en) * 2012-01-18 2014-02-04 Apple Inc. Systems and methods for proactively refreshing nonvolatile memory
US9269418B2 (en) 2012-02-06 2016-02-23 Arm Limited Apparatus and method for controlling refreshing of data in a DRAM
US8909874B2 (en) 2012-02-13 2014-12-09 International Business Machines Corporation Memory reorder queue biasing preceding high latency operations
KR101380452B1 (ko) 2012-08-14 2014-04-14 한국과학기술원 버퍼리스 온칩 네트워크의 전력 소모 감소를 위한 목적지 기반 크레딧 흐름 제어 방법 및 장치
JP2014059831A (ja) * 2012-09-19 2014-04-03 Nec Computertechno Ltd メモリリフレッシュ装置、情報処理システム、メモリリフレッシュ方法、および、コンピュータ・プログラム
US9299400B2 (en) 2012-09-28 2016-03-29 Intel Corporation Distributed row hammer tracking
WO2014065775A1 (en) * 2012-10-22 2014-05-01 Hewlett-Packard Development Company, L.P. Performing refresh of a memory device in response to access of data
CN103019974B (zh) * 2012-12-18 2016-08-03 北京华为数字技术有限公司 存储器访问处理方法及控制器
US9286964B2 (en) * 2012-12-21 2016-03-15 Intel Corporation Method, apparatus and system for responding to a row hammer event
US9196347B2 (en) 2013-03-14 2015-11-24 International Business Machines Corporation DRAM controller for variable refresh operation timing
KR101670917B1 (ko) 2013-03-15 2016-11-01 인텔 코포레이션 메모리 시스템
US9245604B2 (en) * 2013-05-08 2016-01-26 International Business Machines Corporation Prioritizing refreshes in a memory device
CN104143355B (zh) 2013-05-09 2018-01-23 华为技术有限公司 一种刷新动态随机存取存储器的方法和装置
JP2015041395A (ja) * 2013-08-20 2015-03-02 キヤノン株式会社 情報処理装置及びその制御方法、並びに、そのプログラムと記憶媒体
US9001608B1 (en) * 2013-12-06 2015-04-07 Intel Corporation Coordinating power mode switching and refresh operations in a memory device
US9431085B2 (en) * 2014-03-28 2016-08-30 Synopsys, Inc. Most activated memory portion handling
KR20150128087A (ko) * 2014-05-08 2015-11-18 에스케이하이닉스 주식회사 리프레쉬 오류를 방지할 수 있는 반도체 장치 및 이를 이용한 메모리 시스템
CN105280215B (zh) 2014-06-09 2018-01-23 华为技术有限公司 动态随机存取存储器dram的刷新方法、设备以及系统
EP3279899B1 (en) 2015-05-04 2020-10-07 Huawei Technologies Co. Ltd. Dram refreshing method, apparatus and system
US9685219B2 (en) 2015-05-13 2017-06-20 Samsung Electronics Co., Ltd. Semiconductor memory device for deconcentrating refresh commands and system including the same
CN105045722B (zh) 2015-08-26 2018-06-05 东南大学 一种ddr2-sdram控制器及其低延迟优化方法
US9812185B2 (en) * 2015-10-21 2017-11-07 Invensas Corporation DRAM adjacent row disturb mitigation
US9576637B1 (en) 2016-05-25 2017-02-21 Advanced Micro Devices, Inc. Fine granularity refresh
US10192607B2 (en) * 2016-05-31 2019-01-29 Qualcomm Incorporated Periodic ZQ calibration with traffic-based self-refresh in a multi-rank DDR system
US9965222B1 (en) * 2016-10-21 2018-05-08 Advanced Micro Devices, Inc. Software mode register access for platform margining and debug
CN106875971B (zh) 2017-02-16 2021-01-22 上海兆芯集成电路有限公司 动态随机存取存储器控制器及其控制方法
JP6780897B2 (ja) 2017-04-14 2020-11-04 ホアウェイ・テクノロジーズ・カンパニー・リミテッド メモリリフレッシュ技術及びコンピュータシステム
US10621121B2 (en) * 2017-12-01 2020-04-14 Intel Corporation Measurement and optimization of command signal timing margins
US10236035B1 (en) 2017-12-04 2019-03-19 Nanya Technology Corporation DRAM memory device adjustable refresh rate method to alleviate effects of row hammer events
US10503670B2 (en) * 2017-12-21 2019-12-10 Advanced Micro Devices, Inc. Dynamic per-bank and all-bank refresh
US10535393B1 (en) * 2018-07-21 2020-01-14 Advanced Micro Devices, Inc. Configuring dynamic random access memory refreshes for systems having multiple ranks of memory
US10969997B2 (en) 2018-11-07 2021-04-06 Intel Corporation Memory controller that filters a count of row activate commands collectively sent to a set of memory banks

Also Published As

Publication number Publication date
CN110520929B (zh) 2022-07-22
WO2018188083A1 (zh) 2018-10-18
US11074958B2 (en) 2021-07-27
US11705180B2 (en) 2023-07-18
EP3605541A1 (en) 2020-02-05
EP3605541A4 (en) 2020-04-01
CN110520929A (zh) 2019-11-29
JP6780897B2 (ja) 2020-11-04
US20200066331A1 (en) 2020-02-27
US20210335417A1 (en) 2021-10-28
JP2020516988A (ja) 2020-06-11

Similar Documents

Publication Publication Date Title
SG11201908904TA (en) Memory refresh technology and computer system
SG11201908892TA (en) Memory refresh technology and computer system
US11386946B2 (en) Apparatuses and methods for tracking row accesses
US10522207B2 (en) Performance of additional refresh operations during self-refresh mode
US9257169B2 (en) Memory device, memory system, and operating methods thereof
US20140022858A1 (en) Method of controlling a refresh operation of psram and related device
CN108231109B (zh) 动态随机存取存储器dram的刷新方法、设备以及系统
KR102021401B1 (ko) 메모리 장치
US20150213877A1 (en) Refreshing a group of memory cells in response to potential disturbance
US20160211008A1 (en) Refresh rate adjust
US9053812B2 (en) Fast exit from DRAM self-refresh
US9292426B2 (en) Fast exit from DRAM self-refresh
CN104488031A (zh) 响应于数据访问执行存储装置的刷新
JP2016524775A5 (zh)
TW200620288A (en) Method and system for controlling refresh in volatile memories
US20220172773A1 (en) Methods for adjusting row hammer refresh rates and related memory devices and systems
US10802977B2 (en) Memory page access counts based on page refresh
CN106856098B (zh) 一种用于DRAM或eDRAM刷新的装置及其方法
KR20140139789A (ko) 반도체 시스템
KR101514584B1 (ko) Dram 셀프 리프레시 모드들에 대한 감소된 전류 요건들
US10475503B2 (en) Circuit for selecting row to be refreshed
US20150228329A1 (en) Semiconductor devices and semiconductor systems including the same
CN111158585B (zh) 一种内存控制器刷新优化方法、装置、设备和存储介质
TWI266189B (en) Methods for removing data from a dynamic random access memory (DRAM), and computer system and storage medium utilizing the same
US20220319582A1 (en) Memory management apparatus, memory management method, and computer-readable recording medium storing memory management program