DE69623720T2 - Verfahren zum Aufräumen eines Flash-Speichers mit Übersetzungsschicht - Google Patents

Verfahren zum Aufräumen eines Flash-Speichers mit Übersetzungsschicht

Info

Publication number
DE69623720T2
DE69623720T2 DE69623720T DE69623720T DE69623720T2 DE 69623720 T2 DE69623720 T2 DE 69623720T2 DE 69623720 T DE69623720 T DE 69623720T DE 69623720 T DE69623720 T DE 69623720T DE 69623720 T2 DE69623720 T2 DE 69623720T2
Authority
DE
Germany
Prior art keywords
cleaning
flash memory
translation layer
translation
layer
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
DE69623720T
Other languages
English (en)
Other versions
DE69623720D1 (de
Inventor
Detlef Jenett
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.)
SCM Microsystems Inc
Original Assignee
SCM Microsystems Inc
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 SCM Microsystems Inc filed Critical SCM Microsystems Inc
Publication of DE69623720D1 publication Critical patent/DE69623720D1/de
Application granted granted Critical
Publication of DE69623720T2 publication Critical patent/DE69623720T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

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)
DE69623720T 1995-10-27 1996-10-21 Verfahren zum Aufräumen eines Flash-Speichers mit Übersetzungsschicht Expired - Fee Related DE69623720T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/549,476 US5867641A (en) 1995-10-27 1995-10-27 Flash translation layer cleanup system and method

Publications (2)

Publication Number Publication Date
DE69623720D1 DE69623720D1 (de) 2002-10-24
DE69623720T2 true DE69623720T2 (de) 2003-04-30

Family

ID=24193177

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69623720T Expired - Fee Related DE69623720T2 (de) 1995-10-27 1996-10-21 Verfahren zum Aufräumen eines Flash-Speichers mit Übersetzungsschicht

Country Status (3)

Country Link
US (1) US5867641A (de)
EP (1) EP0770959B1 (de)
DE (1) DE69623720T2 (de)

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US20060184718A1 (en) * 2005-02-16 2006-08-17 Sinclair Alan W Direct file data programming and deletion in flash memories
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US20060184719A1 (en) * 2005-02-16 2006-08-17 Sinclair Alan W Direct data file storage implementation techniques in flash memories
US7877539B2 (en) * 2005-02-16 2011-01-25 Sandisk Corporation Direct data file storage in flash memories
US7627733B2 (en) * 2005-08-03 2009-12-01 Sandisk Corporation Method and system for dual mode access for storage devices
ATE493707T1 (de) * 2005-08-03 2011-01-15 Sandisk Corp Nichtflüchtiger speicher mit blockverwaltung
US7669003B2 (en) * 2005-08-03 2010-02-23 Sandisk Corporation Reprogrammable non-volatile memory systems with indexing of directly stored data files
US7949845B2 (en) * 2005-08-03 2011-05-24 Sandisk Corporation Indexing of file data in reprogrammable non-volatile memories that directly store data files
US7558906B2 (en) * 2005-08-03 2009-07-07 Sandisk Corporation Methods of managing blocks in nonvolatile memory
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US7409489B2 (en) * 2005-08-03 2008-08-05 Sandisk Corporation Scheduling of reclaim operations in non-volatile memory
US7552271B2 (en) * 2005-08-03 2009-06-23 Sandisk Corporation Nonvolatile memory with block management
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US7529905B2 (en) * 2005-10-13 2009-05-05 Sandisk Corporation Method of storing transformed units of data in a memory system having fixed sized storage blocks
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US7769978B2 (en) * 2005-12-21 2010-08-03 Sandisk Corporation Method and system for accessing non-volatile storage devices
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US7882301B2 (en) * 2007-05-09 2011-02-01 Stmicroelectronics S.R.L. Wear leveling in storage devices based on flash memories and related circuit, system, and method
US8156392B2 (en) * 2008-04-05 2012-04-10 Fusion-Io, Inc. Apparatus, system, and method for bad block remapping
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Also Published As

Publication number Publication date
EP0770959B1 (de) 2002-09-18
DE69623720D1 (de) 2002-10-24
US5867641A (en) 1999-02-02
EP0770959A1 (de) 1997-05-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee