ATE475186T1 - Lesen einer nichtflüchtigen speicherzelle unter berücksichtigung des speicherstatus einer benachbarten speicherzelle - Google Patents

Lesen einer nichtflüchtigen speicherzelle unter berücksichtigung des speicherstatus einer benachbarten speicherzelle

Info

Publication number
ATE475186T1
ATE475186T1 AT07869872T AT07869872T ATE475186T1 AT E475186 T1 ATE475186 T1 AT E475186T1 AT 07869872 T AT07869872 T AT 07869872T AT 07869872 T AT07869872 T AT 07869872T AT E475186 T1 ATE475186 T1 AT E475186T1
Authority
AT
Austria
Prior art keywords
memory cell
adjacent
considering
reading
coupling
Prior art date
Application number
AT07869872T
Other languages
English (en)
Inventor
Nima Mokhlesi
Original Assignee
Sandisk Corp
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
Priority claimed from US11/618,578 external-priority patent/US7440324B2/en
Priority claimed from US11/618,569 external-priority patent/US7495962B2/en
Application filed by Sandisk Corp filed Critical Sandisk Corp
Application granted granted Critical
Publication of ATE475186T1 publication Critical patent/ATE475186T1/de

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
    • G11C16/26—Sensing or reading circuits; Data output 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
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/3418—Disturbance prevention or evaluation; Refreshing of disturbed memory data
    • 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
    • G11C11/5642—Sensing or reading circuits; Data output 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
    • 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
    • G11C16/30—Power supply 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
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/3418—Disturbance prevention or evaluation; Refreshing of disturbed memory data
    • G11C16/3427—Circuits or methods to prevent or reduce disturbance of the state of a memory cell when neighbouring cells are read or written
    • 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
    • G11C16/3436—Arrangements for verifying correct programming or erasure
    • G11C16/3454—Arrangements for verifying correct programming or for detecting overprogrammed cells
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/52—Protection of memory contents; Detection of errors in memory contents
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Read Only Memory (AREA)
  • Non-Volatile Memory (AREA)
AT07869872T 2006-12-29 2007-12-24 Lesen einer nichtflüchtigen speicherzelle unter berücksichtigung des speicherstatus einer benachbarten speicherzelle ATE475186T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/618,578 US7440324B2 (en) 2006-12-29 2006-12-29 Apparatus with alternating read mode
US11/618,569 US7495962B2 (en) 2006-12-29 2006-12-29 Alternating read mode
PCT/US2007/088787 WO2008083137A1 (en) 2006-12-29 2007-12-24 Reading of a nonvolatile memory cell by taking account of the stored state of a neighboring memory cell

Publications (1)

Publication Number Publication Date
ATE475186T1 true ATE475186T1 (de) 2010-08-15

Family

ID=39358350

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07869872T ATE475186T1 (de) 2006-12-29 2007-12-24 Lesen einer nichtflüchtigen speicherzelle unter berücksichtigung des speicherstatus einer benachbarten speicherzelle

Country Status (8)

Country Link
EP (1) EP2078303B1 (de)
JP (1) JP5174829B2 (de)
KR (1) KR101100359B1 (de)
CN (1) CN101627443B (de)
AT (1) ATE475186T1 (de)
DE (1) DE602007007974D1 (de)
TW (1) TWI397075B (de)
WO (1) WO2008083137A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7499319B2 (en) 2006-03-03 2009-03-03 Sandisk Corporation Read operation for non-volatile storage with compensation for coupling
US7813181B2 (en) * 2008-12-31 2010-10-12 Sandisk Corporation Non-volatile memory and method for sensing with pipelined corrections for neighboring perturbations
US8050092B2 (en) * 2009-05-29 2011-11-01 Seagate Technology Llc NAND flash memory with integrated bit line capacitance
KR101678888B1 (ko) * 2010-08-06 2016-12-07 삼성전자주식회사 비휘발성 메모리 장치의 데이터 판독 방법
KR101810640B1 (ko) 2010-11-26 2017-12-20 삼성전자주식회사 불휘발성 메모리 장치 및 메모리 시스템 그리고 그것의 읽기 방법
KR102089532B1 (ko) 2013-02-06 2020-03-16 삼성전자주식회사 메모리 컨트롤러, 메모리 시스템 및 메모리 시스템의 동작 방법
KR102318561B1 (ko) 2014-08-19 2021-11-01 삼성전자주식회사 스토리지 장치, 스토리지 장치의 동작 방법
KR102294352B1 (ko) 2015-04-20 2021-08-26 삼성전자주식회사 불휘발성 메모리 장치 및 그것의 프로그램 방법과 독출 방법
JP6779838B2 (ja) * 2017-06-28 2020-11-04 キオクシア株式会社 メモリシステムおよび制御方法
CN107481758B (zh) * 2017-08-09 2020-05-01 上海华虹宏力半导体制造有限公司 一种存储器的操作方法
KR102531995B1 (ko) * 2018-03-29 2023-05-15 에스케이하이닉스 주식회사 반도체 메모리 장치, 이를 포함하는 저장 장치 및 메모리 컨트롤러의 동작 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1052646B1 (de) * 1999-05-11 2004-07-14 Fujitsu Limited Nichtflüchtige Halbleiterspeicheranordnung, die eine Datenleseoperation während einer Datenschreib/lösch-Operation erlaubt
US6771536B2 (en) * 2002-02-27 2004-08-03 Sandisk Corporation Operating techniques for reducing program and read disturbs of a non-volatile memory
US6781877B2 (en) * 2002-09-06 2004-08-24 Sandisk Corporation Techniques for reducing effects of coupling between storage elements of adjacent rows of memory cells
US7046568B2 (en) * 2002-09-24 2006-05-16 Sandisk Corporation Memory sensing circuit and method for low voltage operation
US7196931B2 (en) * 2002-09-24 2007-03-27 Sandisk Corporation Non-volatile memory and method with reduced source line bias errors
JP3913704B2 (ja) * 2003-04-22 2007-05-09 株式会社東芝 不揮発性半導体記憶装置及びこれを用いた電子装置
JP3884448B2 (ja) * 2004-05-17 2007-02-21 株式会社東芝 半導体記憶装置
US7372730B2 (en) * 2004-01-26 2008-05-13 Sandisk Corporation Method of reading NAND memory to compensate for coupling between storage elements
US7187585B2 (en) * 2005-04-05 2007-03-06 Sandisk Corporation Read operation for non-volatile storage that includes compensation for coupling
US7196928B2 (en) * 2005-04-05 2007-03-27 Sandisk Corporation Compensating for coupling during read operations of non-volatile memory
CN101395673B (zh) * 2006-03-03 2011-09-21 桑迪士克股份有限公司 对浮动栅极耦合具有补偿的非易失性存储装置的读取操作

Also Published As

Publication number Publication date
EP2078303B1 (de) 2010-07-21
KR20090117709A (ko) 2009-11-12
JP2010515202A (ja) 2010-05-06
DE602007007974D1 (de) 2010-09-02
CN101627443A (zh) 2010-01-13
TW200849263A (en) 2008-12-16
TWI397075B (zh) 2013-05-21
CN101627443B (zh) 2012-10-03
KR101100359B1 (ko) 2011-12-30
WO2008083137A1 (en) 2008-07-10
JP5174829B2 (ja) 2013-04-03
EP2078303A1 (de) 2009-07-15

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