TW200733123A - Adaptive handling data writes in non-volatile memories - Google Patents

Adaptive handling data writes in non-volatile memories

Info

Publication number
TW200733123A
TW200733123A TW095139428A TW95139428A TW200733123A TW 200733123 A TW200733123 A TW 200733123A TW 095139428 A TW095139428 A TW 095139428A TW 95139428 A TW95139428 A TW 95139428A TW 200733123 A TW200733123 A TW 200733123A
Authority
TW
Taiwan
Prior art keywords
repeated
sectors
garbage collection
volatile memories
handling data
Prior art date
Application number
TW095139428A
Other languages
Chinese (zh)
Other versions
TWI428920B (en
Inventor
Sergey Anatolievich Gorobets
Original Assignee
Sandisk 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
Priority claimed from US11/261,150 external-priority patent/US7631162B2/en
Priority claimed from US11/261,138 external-priority patent/US7509471B2/en
Application filed by Sandisk Corp filed Critical Sandisk Corp
Publication of TW200733123A publication Critical patent/TW200733123A/en
Application granted granted Critical
Publication of TWI428920B publication Critical patent/TWI428920B/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

Abstract

A memory system is presented where sectors are normally stored in logically contiguous groups. As repeated writes of the same small sector group can causes a massive garbage collection (data relocation), the pattern of host access is monitored by checking the sectors' update history and control data structures' update history. When repeated access patterns are detected and then expected again, the "hot" segments are separated into specially handled, non-standard zone in the memory. The non-standard zone has a sector management that is different from the logical groups and optimized for the repeated host accesses in order to reduce the frequency and amount of garbage collection operations.
TW95139428A 2005-10-27 2006-10-25 Adaptive handling data writes in non-volatile memories TWI428920B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/261,150 US7631162B2 (en) 2005-10-27 2005-10-27 Non-volatile memory with adaptive handling of data writes
US11/261,138 US7509471B2 (en) 2005-10-27 2005-10-27 Methods for adaptively handling data writes in non-volatile memories

Publications (2)

Publication Number Publication Date
TW200733123A true TW200733123A (en) 2007-09-01
TWI428920B TWI428920B (en) 2014-03-01

Family

ID=38256823

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95139428A TWI428920B (en) 2005-10-27 2006-10-25 Adaptive handling data writes in non-volatile memories

Country Status (2)

Country Link
TW (1) TWI428920B (en)
WO (1) WO2007081598A2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI413984B (en) * 2008-10-16 2013-11-01 Silicon Motion Inc Flash memory apparatus and updating method
TWI461914B (en) * 2008-02-14 2014-11-21 Inside Secure Access rights on a memory map
CN104969196A (en) * 2012-11-15 2015-10-07 西部数据技术公司 Methods, data storage devices and systems for fragmented firmware table rebuild in a solid state drive
TWI667571B (en) * 2018-06-13 2019-08-01 慧榮科技股份有限公司 Data storage apparatus, method for programming system information and method for rebuilding system information

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI398770B (en) * 2008-07-08 2013-06-11 Phison Electronics Corp Data accessing method for flash memory and storage system and controller using the same
EP2302636B1 (en) * 2009-09-21 2014-11-05 STMicroelectronics (Rousset) SAS Method for reading a non volatile memory using metadata and a correspondence table
FR2950463B1 (en) * 2009-09-21 2011-12-09 St Microelectronics Rousset METHOD OF READING NON-VOLATILE MEMORY USING METADATA AND CORRESPONDENCE TABLE
CN107025062B (en) * 2016-01-29 2020-03-06 宜鼎国际股份有限公司 Data storage method and system thereof
TWI609323B (en) * 2016-01-29 2017-12-21 捷鼎國際股份有限公司 Data storing method and system thereof
US10540274B2 (en) * 2016-03-29 2020-01-21 Micron Technology, Inc. Memory devices including dynamic superblocks, and related methods and electronic systems
TWI610219B (en) * 2016-08-09 2018-01-01 捷鼎國際股份有限公司 Data storage system
CN106598878B (en) * 2016-12-27 2020-05-26 湖南国科微电子股份有限公司 Solid state disk cold and hot data separation method
CN113096713A (en) * 2021-04-12 2021-07-09 合肥兆芯电子有限公司 Memory management method, memory control circuit unit and memory storage device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8171203B2 (en) * 1995-07-31 2012-05-01 Micron Technology, Inc. Faster write operations to nonvolatile memory using FSInfo sector manipulation
JPH0944381A (en) * 1995-07-31 1997-02-14 Toshiba Corp Method and device for data storage
US5845313A (en) * 1995-07-31 1998-12-01 Lexar Direct logical block addressing flash memory mass storage architecture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI461914B (en) * 2008-02-14 2014-11-21 Inside Secure Access rights on a memory map
TWI413984B (en) * 2008-10-16 2013-11-01 Silicon Motion Inc Flash memory apparatus and updating method
CN104969196A (en) * 2012-11-15 2015-10-07 西部数据技术公司 Methods, data storage devices and systems for fragmented firmware table rebuild in a solid state drive
CN104969196B (en) * 2012-11-15 2017-05-03 西部数据技术公司 Data storage device controller, data storage device and method for controlling data storage device
TWI667571B (en) * 2018-06-13 2019-08-01 慧榮科技股份有限公司 Data storage apparatus, method for programming system information and method for rebuilding system information

Also Published As

Publication number Publication date
WO2007081598A3 (en) 2008-03-13
TWI428920B (en) 2014-03-01
WO2007081598A2 (en) 2007-07-19

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees