WO2009053963A3 - Methods for adaptively programming flash memory devices and flash memory systems incorporating same - Google Patents

Methods for adaptively programming flash memory devices and flash memory systems incorporating same Download PDF

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Publication number
WO2009053963A3
WO2009053963A3 PCT/IL2008/001242 IL2008001242W WO2009053963A3 WO 2009053963 A3 WO2009053963 A3 WO 2009053963A3 IL 2008001242 W IL2008001242 W IL 2008001242W WO 2009053963 A3 WO2009053963 A3 WO 2009053963A3
Authority
WO
WIPO (PCT)
Prior art keywords
flash memory
programming
memory functional
methods
selectable
Prior art date
Application number
PCT/IL2008/001242
Other languages
French (fr)
Other versions
WO2009053963A2 (en
Inventor
Hanan Weingarten
Erez Sabbag
Michael Katz
Original Assignee
Densbits Technologies 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 Densbits Technologies Ltd. filed Critical Densbits Technologies Ltd.
Priority to US12/596,680 priority Critical patent/US8694715B2/en
Publication of WO2009053963A2 publication Critical patent/WO2009053963A2/en
Publication of WO2009053963A3 publication Critical patent/WO2009053963A3/en
Priority to US13/956,260 priority patent/US8799563B2/en

Links

Classifications

    • 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
    • G11C16/10—Programming or data input circuits
    • 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
    • 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
    • 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
    • G11C11/5678—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 amorphous/crystalline phase transition storage elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0004—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements comprising amorphous/crystalline phase transition cells
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021—Auxiliary circuits
    • G11C13/0064—Verifying circuits or methods
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021—Auxiliary circuits
    • G11C13/0069—Writing or programming circuits or methods
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/56—Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
    • G11C2211/562—Multilevel memory programming aspects
    • G11C2211/5621—Multilevel programming verification
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/56—Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
    • G11C2211/564—Miscellaneous aspects
    • G11C2211/5641—Multilevel memory having cells with different number of storage levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Read Only Memory (AREA)

Abstract

A method for programming a plurality of data sequences into a corresponding plurality of flash memory functional units using a programming process having at least one selectable programming duration-controlling parameter, the method comprising providing at least one indication of at least one varying situational characteristic and determining a value for said at least one selectable programming duration-controlling parameter controlling the duration of the programming process for a given data sequence, for each flash memory functional unit, depending at least partly on said indication of said varying characteristic; and, for each individual flash memory functional unit from among said plurality of flash memory functional units, programming a sequence of bits into said individual flash memory functional unit using a programming process having at least one selectable parameter, said at least one selectable parameter being set at said value determined for said individual flash memory functional unit.
PCT/IL2008/001242 2007-10-22 2008-09-17 Methods for adaptively programming flash memory devices and flash memory systems incorporating same WO2009053963A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/596,680 US8694715B2 (en) 2007-10-22 2008-09-17 Methods for adaptively programming flash memory devices and flash memory systems incorporating same
US13/956,260 US8799563B2 (en) 2007-10-22 2013-07-31 Methods for adaptively programming flash memory devices and flash memory systems incorporating same

Applications Claiming Priority (16)

Application Number Priority Date Filing Date Title
US96094307P 2007-10-22 2007-10-22
US60/960,943 2007-10-22
US99678207P 2007-12-05 2007-12-05
US60/996,782 2007-12-05
US680508P 2008-01-31 2008-01-31
US61/006,805 2008-01-31
US6485308P 2008-03-31 2008-03-31
US61/064,853 2008-03-31
US7146908P 2008-04-30 2008-04-30
US7146508P 2008-04-30 2008-04-30
US61/071,465 2008-04-30
US61/071,469 2008-04-30
US12941408P 2008-06-25 2008-06-25
US61/129,414 2008-06-25
US12960808P 2008-07-08 2008-07-08
US61/129,608 2008-07-08

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/596,680 A-371-Of-International US8694715B2 (en) 2007-10-22 2008-09-17 Methods for adaptively programming flash memory devices and flash memory systems incorporating same
US13/956,260 Continuation US8799563B2 (en) 2007-10-22 2013-07-31 Methods for adaptively programming flash memory devices and flash memory systems incorporating same

Publications (2)

Publication Number Publication Date
WO2009053963A2 WO2009053963A2 (en) 2009-04-30
WO2009053963A3 true WO2009053963A3 (en) 2010-03-04

Family

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Family Applications (1)

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PCT/IL2008/001242 WO2009053963A2 (en) 2007-10-22 2008-09-17 Methods for adaptively programming flash memory devices and flash memory systems incorporating same

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WO (1) WO2009053963A2 (en)

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