DE69431795D1 - Massenspeicherarchitektur mit flash-speicher - Google Patents

Massenspeicherarchitektur mit flash-speicher

Info

Publication number
DE69431795D1
DE69431795D1 DE69431795T DE69431795T DE69431795D1 DE 69431795 D1 DE69431795 D1 DE 69431795D1 DE 69431795 T DE69431795 T DE 69431795T DE 69431795 T DE69431795 T DE 69431795T DE 69431795 D1 DE69431795 D1 DE 69431795D1
Authority
DE
Germany
Prior art keywords
block
mass storage
erase
blocks
erased
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 - Lifetime
Application number
DE69431795T
Other languages
English (en)
Other versions
DE69431795T2 (de
Inventor
Mahmud Assar
Siamack Nemazie
Petro Estakhri
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.)
Micron Technology Inc
Original Assignee
Lexar Media 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21896923&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69431795(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lexar Media Inc filed Critical Lexar Media Inc
Publication of DE69431795D1 publication Critical patent/DE69431795D1/de
Application granted granted Critical
Publication of DE69431795T2 publication Critical patent/DE69431795T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • 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
    • 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
    • G06F12/0292—User address space allocation, e.g. contiguous or non contiguous base addressing using tables or multilevel address translation means
    • 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
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
    • G06F2212/1036—Life time enhancement
    • 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
    • G06F2212/7211—Wear leveling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0662—Virtualisation aspects
    • G06F3/0664—Virtualisation aspects at device level, e.g. emulation of a storage device or system
DE69431795T 1993-03-26 1994-03-23 Massenspeicherarchitektur mit flash-speicher Expired - Lifetime DE69431795T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/037,893 US5479638A (en) 1993-03-26 1993-03-26 Flash memory mass storage architecture incorporation wear leveling technique
PCT/US1994/003168 WO1994023369A1 (en) 1993-03-26 1994-03-23 Flash memory mass storage architecture

Publications (2)

Publication Number Publication Date
DE69431795D1 true DE69431795D1 (de) 2003-01-09
DE69431795T2 DE69431795T2 (de) 2003-08-14

Family

ID=21896923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69431795T Expired - Lifetime DE69431795T2 (de) 1993-03-26 1994-03-23 Massenspeicherarchitektur mit flash-speicher

Country Status (6)

Country Link
US (1) US5479638A (de)
EP (1) EP0691008B1 (de)
AT (1) ATE228674T1 (de)
CA (1) CA2161344A1 (de)
DE (1) DE69431795T2 (de)
WO (1) WO1994023369A1 (de)

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EP0691008A1 (de) 1996-01-10

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