KR101304254B1 - 플래시 메모리 시스템들에서 하우스키핑 동작들의 스케쥴링 - Google Patents

플래시 메모리 시스템들에서 하우스키핑 동작들의 스케쥴링 Download PDF

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Publication number
KR101304254B1
KR101304254B1 KR1020077017713A KR20077017713A KR101304254B1 KR 101304254 B1 KR101304254 B1 KR 101304254B1 KR 1020077017713 A KR1020077017713 A KR 1020077017713A KR 20077017713 A KR20077017713 A KR 20077017713A KR 101304254 B1 KR101304254 B1 KR 101304254B1
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South Korea
Prior art keywords
data
block
housekeeping
blocks
memory system
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Expired - Fee Related
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KR1020077017713A
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Korean (ko)
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KR20070111470A (ko
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알랜 데이비드 베네트
세르게이 아나토리비츠 고로베츠
앤드류 톰린
찰스 쉬로터
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쌘디스크 코포레이션
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Assigned to 샌디스크 테크놀로지스 엘엘씨 reassignment 샌디스크 테크놀로지스 엘엘씨 권리의 전부이전등록 Assignors: 쌘디스크 코포레이션
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/349—Arrangements for evaluating degradation, retention or wearout, e.g. by counting erase cycles
    • 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
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/72—Details relating to flash memory management
    • G06F2212/7205—Cleaning, compaction, garbage collection, erase control

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  • 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)
  • Luminescent Compositions (AREA)
  • General Factory Administration (AREA)
  • Manufacture Of Iron (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Stored Programmes (AREA)
KR1020077017713A 2005-01-20 2006-01-11 플래시 메모리 시스템들에서 하우스키핑 동작들의 스케쥴링 Expired - Fee Related KR101304254B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11/040,325 US20060161724A1 (en) 2005-01-20 2005-01-20 Scheduling of housekeeping operations in flash memory systems
US11/040,325 2005-01-20
US11/312,985 US7315917B2 (en) 2005-01-20 2005-12-19 Scheduling of housekeeping operations in flash memory systems
US11/312,985 2005-12-19
PCT/US2006/001070 WO2006078531A2 (en) 2005-01-20 2006-01-11 Scheduling of housekeeping operations in flash memory systems

Publications (2)

Publication Number Publication Date
KR20070111470A KR20070111470A (ko) 2007-11-21
KR101304254B1 true KR101304254B1 (ko) 2013-09-05

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KR1020077017713A Expired - Fee Related KR101304254B1 (ko) 2005-01-20 2006-01-11 플래시 메모리 시스템들에서 하우스키핑 동작들의 스케쥴링

Country Status (9)

Country Link
US (3) US7315917B2 (https=)
EP (2) EP2112599B1 (https=)
JP (2) JP4362534B2 (https=)
KR (1) KR101304254B1 (https=)
AT (2) ATE442627T1 (https=)
DE (2) DE602006020363D1 (https=)
IL (1) IL184675A0 (https=)
TW (1) TWI406295B (https=)
WO (1) WO2006078531A2 (https=)

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US7315917B2 (en) 2008-01-01
JP5222232B2 (ja) 2013-06-26
IL184675A0 (en) 2007-12-03
ATE442627T1 (de) 2009-09-15
DE602006009081D1 (de) 2009-10-22
US20080091872A1 (en) 2008-04-17
EP1856616B1 (en) 2009-09-09
US7565478B2 (en) 2009-07-21
DE602006020363D1 (de) 2011-04-07
JP4362534B2 (ja) 2009-11-11
ATE499648T1 (de) 2011-03-15
WO2006078531A2 (en) 2006-07-27
JP2008529130A (ja) 2008-07-31
US8364883B2 (en) 2013-01-29
WO2006078531A3 (en) 2006-11-23
JP2009282989A (ja) 2009-12-03
EP2112599A1 (en) 2009-10-28
TW200632935A (en) 2006-09-16
EP2112599B1 (en) 2011-02-23
EP1856616A2 (en) 2007-11-21
TWI406295B (zh) 2013-08-21
KR20070111470A (ko) 2007-11-21
US20090265508A1 (en) 2009-10-22
US20060161728A1 (en) 2006-07-20

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