ATE537504T1 - Flash-speicherverwaltungsverfahren mit beständigkeit gegenüber datenverfälschung durch stromausfall - Google Patents

Flash-speicherverwaltungsverfahren mit beständigkeit gegenüber datenverfälschung durch stromausfall

Info

Publication number
ATE537504T1
ATE537504T1 AT06745093T AT06745093T ATE537504T1 AT E537504 T1 ATE537504 T1 AT E537504T1 AT 06745093 T AT06745093 T AT 06745093T AT 06745093 T AT06745093 T AT 06745093T AT E537504 T1 ATE537504 T1 AT E537504T1
Authority
AT
Austria
Prior art keywords
page
data
resistance
flash memory
power failure
Prior art date
Application number
AT06745093T
Other languages
English (en)
Inventor
Alexander Paley
Original Assignee
Sandisk Il Ltd
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 Sandisk Il Ltd filed Critical Sandisk Il Ltd
Application granted granted Critical
Publication of ATE537504T1 publication Critical patent/ATE537504T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/16—Protection against loss of memory contents
    • 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
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1072—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices in multilevel memories
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1435—Saving, restoring, recovering or retrying at system level using file system or storage system metadata
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
    • G11C11/5628—Programming or writing circuits; Data input circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0483—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
    • 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
    • G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Quality & Reliability (AREA)
  • Computer Security & Cryptography (AREA)
  • Library & Information Science (AREA)
  • Computer Hardware Design (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
AT06745093T 2005-05-12 2006-05-11 Flash-speicherverwaltungsverfahren mit beständigkeit gegenüber datenverfälschung durch stromausfall ATE537504T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US67982505P 2005-05-12 2005-05-12
US11/370,942 US7275140B2 (en) 2005-05-12 2006-03-09 Flash memory management method that is resistant to data corruption by power loss
PCT/IL2006/000558 WO2006120686A2 (en) 2005-05-12 2006-05-11 Flash memory management method that is resistant to data corruption by power loss

Publications (1)

Publication Number Publication Date
ATE537504T1 true ATE537504T1 (de) 2011-12-15

Family

ID=37396974

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06745093T ATE537504T1 (de) 2005-05-12 2006-05-11 Flash-speicherverwaltungsverfahren mit beständigkeit gegenüber datenverfälschung durch stromausfall

Country Status (7)

Country Link
US (1) US7275140B2 (de)
EP (1) EP1883884B1 (de)
JP (1) JP4966965B2 (de)
KR (1) KR101215864B1 (de)
CN (1) CN101198939B (de)
AT (1) ATE537504T1 (de)
WO (1) WO2006120686A2 (de)

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Also Published As

Publication number Publication date
US7275140B2 (en) 2007-09-25
JP2008544345A (ja) 2008-12-04
US20060259718A1 (en) 2006-11-16
WO2006120686A3 (en) 2007-11-01
EP1883884A2 (de) 2008-02-06
EP1883884A4 (de) 2010-10-27
WO2006120686A2 (en) 2006-11-16
KR101215864B1 (ko) 2013-01-02
CN101198939A (zh) 2008-06-11
EP1883884B1 (de) 2011-12-14
KR20080008419A (ko) 2008-01-23
CN101198939B (zh) 2011-11-23
JP4966965B2 (ja) 2012-07-04

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