JP5137002B2 - メモリコントローラ - Google Patents

メモリコントローラ Download PDF

Info

Publication number
JP5137002B2
JP5137002B2 JP2007015096A JP2007015096A JP5137002B2 JP 5137002 B2 JP5137002 B2 JP 5137002B2 JP 2007015096 A JP2007015096 A JP 2007015096A JP 2007015096 A JP2007015096 A JP 2007015096A JP 5137002 B2 JP5137002 B2 JP 5137002B2
Authority
JP
Japan
Prior art keywords
address
read
host system
data
memory
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2007015096A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008181399A5 (enExample
JP2008181399A (ja
Inventor
崇彦 菅原
哲生 古都
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MegaChips Corp
Original Assignee
MegaChips Corp
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 MegaChips Corp filed Critical MegaChips Corp
Priority to JP2007015096A priority Critical patent/JP5137002B2/ja
Priority to US11/968,427 priority patent/US8375169B2/en
Publication of JP2008181399A publication Critical patent/JP2008181399A/ja
Publication of JP2008181399A5 publication Critical patent/JP2008181399A5/ja
Priority to US13/618,921 priority patent/US8725952B2/en
Application granted granted Critical
Publication of JP5137002B2 publication Critical patent/JP5137002B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0238—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
    • G06F12/0246—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/12—Replacement control
    • G06F12/121—Replacement control using replacement algorithms
    • G06F12/122—Replacement control using replacement algorithms of the least frequently used [LFU] type, e.g. with individual count value
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/161—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement
    • G06F13/1626—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement by reordering requests
    • G06F13/1631—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement by reordering requests through address comparison
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1016—Performance improvement
    • G06F2212/1024—Latency reduction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/72—Details relating to flash memory management
    • G06F2212/7203—Temporary buffering, e.g. using volatile buffer or dedicated buffer blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Read Only Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Memory System (AREA)
JP2007015096A 2007-01-25 2007-01-25 メモリコントローラ Expired - Fee Related JP5137002B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007015096A JP5137002B2 (ja) 2007-01-25 2007-01-25 メモリコントローラ
US11/968,427 US8375169B2 (en) 2007-01-25 2008-01-02 Memory controller
US13/618,921 US8725952B2 (en) 2007-01-25 2012-09-14 Memory controller for suppressing read disturb when data is repeatedly read out

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007015096A JP5137002B2 (ja) 2007-01-25 2007-01-25 メモリコントローラ

Publications (3)

Publication Number Publication Date
JP2008181399A JP2008181399A (ja) 2008-08-07
JP2008181399A5 JP2008181399A5 (enExample) 2010-05-13
JP5137002B2 true JP5137002B2 (ja) 2013-02-06

Family

ID=39669268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007015096A Expired - Fee Related JP5137002B2 (ja) 2007-01-25 2007-01-25 メモリコントローラ

Country Status (2)

Country Link
US (2) US8375169B2 (enExample)
JP (1) JP5137002B2 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101050339B1 (ko) * 2008-08-19 2011-07-19 재단법인서울대학교산학협력재단 플래시 메모리 장치 및 데이터 읽기 방법
WO2010119784A1 (ja) 2009-04-14 2010-10-21 株式会社メガチップス メモリコントローラ、メモリ制御装置、メモリ装置、メモリ情報保護システム、メモリ制御装置の制御方法、およびメモリ装置の制御方法
JP5564197B2 (ja) 2009-04-23 2014-07-30 株式会社メガチップス メモリ制御装置、半導体メモリ装置、メモリシステム及びメモリ制御方法
US8688893B2 (en) * 2009-06-23 2014-04-01 Intel Mobile Communications GmbH Memory device and memory interface
JP5764392B2 (ja) 2011-06-13 2015-08-19 株式会社メガチップス メモリコントローラ
US10114750B2 (en) * 2012-01-23 2018-10-30 Qualcomm Incorporated Preventing the displacement of high temporal locality of reference data fill buffers
US9672887B2 (en) 2015-09-09 2017-06-06 Kabushiki Kaisha Toshiba Semiconductor memory capable of reading data without accessing memory cell
US20170075812A1 (en) * 2015-09-16 2017-03-16 Intel Corporation Technologies for managing a dynamic read cache of a solid state drive
KR20180019791A (ko) * 2016-08-16 2018-02-27 에스케이하이닉스 주식회사 반도체장치 및 반도체시스템
CN107403643B (zh) * 2017-07-17 2019-12-24 华中科技大学 一种通过重定向提高3d fg nand闪存可靠性的方法
GB2566729B (en) * 2017-09-22 2020-01-22 Imagination Tech Ltd Sorting memory address requests for parallel memory access
US10579517B2 (en) 2018-03-19 2020-03-03 Dell Products, Lp System and method for providing per channel frequency optimization in a double data rate memory system
WO2020000136A1 (en) 2018-06-25 2020-01-02 Alibaba Group Holding Limited System and method for managing resources of a storage device and quantifying the cost of i/o requests
US11061735B2 (en) 2019-01-02 2021-07-13 Alibaba Group Holding Limited System and method for offloading computation to storage nodes in distributed system
KR102301041B1 (ko) * 2019-07-04 2021-09-14 한국과학기술연구원 뉴로모픽 장치
US11617282B2 (en) 2019-10-01 2023-03-28 Alibaba Group Holding Limited System and method for reshaping power budget of cabinet to facilitate improved deployment density of servers
US11556277B2 (en) 2020-05-19 2023-01-17 Alibaba Group Holding Limited System and method for facilitating improved performance in ordering key-value storage with input/output stack simplification
US11507499B2 (en) 2020-05-19 2022-11-22 Alibaba Group Holding Limited System and method for facilitating mitigation of read/write amplification in data compression
US11487465B2 (en) 2020-12-11 2022-11-01 Alibaba Group Holding Limited Method and system for a local storage engine collaborating with a solid state drive controller
US11734115B2 (en) 2020-12-28 2023-08-22 Alibaba Group Holding Limited Method and system for facilitating write latency reduction in a queue depth of one scenario
US11726699B2 (en) 2021-03-30 2023-08-15 Alibaba Singapore Holding Private Limited Method and system for facilitating multi-stream sequential read performance improvement with reduced read amplification

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61253564A (ja) 1985-05-02 1986-11-11 Mitsubishi Electric Corp 記憶装置
JPS62130443A (ja) 1985-12-03 1987-06-12 Nec Corp メモリアクセス制御装置
JPS63276648A (ja) * 1987-05-08 1988-11-14 Mitsubishi Electric Corp デ−タ読出方式
JPH01100799A (ja) 1987-10-14 1989-04-19 Mitsubishi Electric Corp 読出し専用メモリ制御回路
JPH01134798A (ja) 1987-11-20 1989-05-26 Nec Corp メモリ制御装置
JPH0359741A (ja) 1989-07-28 1991-03-14 Mitsubishi Electric Corp キャッシュメモリ
JPH0594367A (ja) * 1991-10-02 1993-04-16 Shikoku Nippon Denki Software Kk バツフア記憶装置
JP2654603B2 (ja) * 1993-03-31 1997-09-17 日本電気株式会社 バッファ記憶装置におけるブロック置き換え制御方式
JPH0795307A (ja) 1993-09-21 1995-04-07 Omron Corp 自動通報装置の送信機
JP3130796B2 (ja) * 1996-06-26 2001-01-31 甲府日本電気株式会社 制御記憶装置
JPH10161939A (ja) * 1996-11-27 1998-06-19 Omron Corp メモリ制御装置
JP3474474B2 (ja) 1998-12-21 2003-12-08 モトローラ株式会社 半導体メモリ装置
US6715039B1 (en) * 2001-09-12 2004-03-30 Emc Corporation Cache slot promotion in a replacement queue cache using determinations of probabilities and costs
US20030206442A1 (en) * 2002-05-02 2003-11-06 Jerry Tang Flash memory bridiging device, method and application system
US6918020B2 (en) * 2002-08-30 2005-07-12 Intel Corporation Cache management
US6961821B2 (en) * 2002-10-16 2005-11-01 International Business Machines Corporation Reconfigurable cache controller for nonuniform memory access computer systems
US7117306B2 (en) * 2002-12-19 2006-10-03 Intel Corporation Mitigating access penalty of a semiconductor nonvolatile memory
TW200417850A (en) * 2003-03-06 2004-09-16 Macronix Int Co Ltd Device for reading sequential memory and method thereof
US7028156B1 (en) * 2003-07-01 2006-04-11 Veritas Operating Corporation Use of read data tracking and caching to recover from data corruption
KR100562906B1 (ko) * 2003-10-08 2006-03-21 삼성전자주식회사 시리얼 플래시 메모리에서의 ｘｉｐ를 위한 우선순위기반의 플래시 메모리 제어 장치 및 이를 이용한 메모리관리 방법, 이에 따른 플래시 메모리 칩
KR101085406B1 (ko) * 2004-02-16 2011-11-21 삼성전자주식회사 불 휘발성 메모리를 제어하기 위한 컨트롤러
US7177977B2 (en) * 2004-03-19 2007-02-13 Sandisk Corporation Operating non-volatile memory without read disturb limitations
US7337277B2 (en) * 2004-11-18 2008-02-26 International Business Machines Corporation Apparatus, system, and method for flushing cache data
JP2006209415A (ja) * 2005-01-27 2006-08-10 Matsushita Electric Ind Co Ltd マイクロコンピュータ
JP2006323739A (ja) * 2005-05-20 2006-11-30 Renesas Technology Corp メモリモジュール、メモリシステム、及び情報機器
US7711902B2 (en) * 2006-04-07 2010-05-04 Broadcom Corporation Area effective cache with pseudo associative memory

Also Published As

Publication number Publication date
JP2008181399A (ja) 2008-08-07
US8375169B2 (en) 2013-02-12
US20130013887A1 (en) 2013-01-10
US20080183982A1 (en) 2008-07-31
US8725952B2 (en) 2014-05-13

Similar Documents

Publication Publication Date Title
JP5137002B2 (ja) メモリコントローラ
JP4925301B2 (ja) 半導体メモリシステム
US10303370B2 (en) Flash memory system
US7663933B2 (en) Memory controller
US7679965B2 (en) Flash memory with improved programming precision
JP5002201B2 (ja) メモリシステム
KR20080069389A (ko) 플래시 메모리 장치 및 동작 방법
US20170162267A1 (en) Data Storage Device and Data Maintenance Method
US20170285953A1 (en) Data Storage Device and Data Maintenance Method thereof
US11409470B2 (en) Memory system, memory controller, and method of operating memory system
US8275934B2 (en) Nonvolatile memory device and cache read method using the same
JP5207434B2 (ja) メモリシステム
KR100953062B1 (ko) 불휘발성 메모리 소자의 어드레스 입력 방법 및 동작 방법
JP4697146B2 (ja) メモリコントローラ及びメモリコントローラを備えるフラッシュメモリシステム、並びにフラッシュメモリの制御方法
JP4177360B2 (ja) メモリコントローラ、フラッシュメモリシステム及びフラッシュメモリの制御方法
US11237767B2 (en) Memory system, memory controller and method for operating memory controller
JP2005292925A (ja) メモリコントローラ、フラッシュメモリシステム、並びに、フラッシュメモリの制御方法
US20110228605A1 (en) Nonvolatile memory
US11544204B2 (en) Memory system, memory controller and method for operating memory controller
JP4366283B2 (ja) メモリコントローラ及びメモリコントローラを備えるフラッシュメモリシステム
JP4304167B2 (ja) メモリコントローラ、フラッシュメモリシステム及びフラッシュメモリの制御方法
JP2008077468A (ja) メモリコントローラ及びメモリコントローラを備えるフラッシュメモリシステム、並びにフラッシュメモリの制御方法
JP2006018893A (ja) 半導体記憶装置及びそのデータ移動方法
JP2013205944A (ja) コントローラ

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100119

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20100119

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100331

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101101

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120405

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120417

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120607

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20120710

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120919

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20120926

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20121016

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20121106

R150 Certificate of patent or registration of utility model

Ref document number: 5137002

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20151122

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees