DE69830089D1 - Mehrpegelspeicher - Google Patents

Mehrpegelspeicher

Info

Publication number
DE69830089D1
DE69830089D1 DE69830089T DE69830089T DE69830089D1 DE 69830089 D1 DE69830089 D1 DE 69830089D1 DE 69830089 T DE69830089 T DE 69830089T DE 69830089 T DE69830089 T DE 69830089T DE 69830089 D1 DE69830089 D1 DE 69830089D1
Authority
DE
Germany
Prior art keywords
multilevel memory
multilevel
memory
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
DE69830089T
Other languages
English (en)
Other versions
DE69830089T2 (de
Inventor
Tomoharu Tanaka
Ken Takeuchi
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE69830089D1 publication Critical patent/DE69830089D1/de
Application granted granted Critical
Publication of DE69830089T2 publication Critical patent/DE69830089T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0483Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital 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
    • G11C11/5621Digital 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital 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
    • G11C11/5621Digital 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
    • G11C11/5628Programming or writing circuits; Data input circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital 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
    • G11C11/5621Digital 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
    • G11C11/5628Programming or writing circuits; Data input circuits
    • G11C11/5635Erasing circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2211/00Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/56Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
    • G11C2211/562Multilevel memory programming aspects
    • G11C2211/5621Multilevel programming verification
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2211/00Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C2211/56Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups
    • G11C2211/564Miscellaneous aspects
    • G11C2211/5642Multilevel memory with buffers, latches, registers at input or output

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Read Only Memory (AREA)
DE69830089T 1997-01-31 1998-01-30 Mehrpegelspeicher Expired - Lifetime DE69830089T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1834997 1997-01-31
JP01834997A JP3409986B2 (ja) 1997-01-31 1997-01-31 多値メモリ

Publications (2)

Publication Number Publication Date
DE69830089D1 true DE69830089D1 (de) 2005-06-16
DE69830089T2 DE69830089T2 (de) 2006-01-19

Family

ID=11969205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69830089T Expired - Lifetime DE69830089T2 (de) 1997-01-31 1998-01-30 Mehrpegelspeicher

Country Status (7)

Country Link
US (1) US6028792A (de)
EP (2) EP1564752A1 (de)
JP (1) JP3409986B2 (de)
KR (1) KR100272035B1 (de)
CN (1) CN1204561C (de)
DE (1) DE69830089T2 (de)
TW (1) TW379450B (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3481817B2 (ja) * 1997-04-07 2003-12-22 株式会社東芝 半導体記憶装置
EP0997913B1 (de) * 1998-10-29 2005-08-10 STMicroelectronics S.r.l. Verfahren und Vorrichtung zur Prüfung von nichtprogrammierten Speicherzellen in einem Mehrpegelspeicher
USRE40110E1 (en) 1999-09-20 2008-02-26 Kabushiki Kaisha Toshiba Nonvolatile semiconductor memory device for storing multivalued data
US6205055B1 (en) 2000-02-25 2001-03-20 Advanced Micro Devices, Inc. Dynamic memory cell programming voltage
US6424569B1 (en) 2000-02-25 2002-07-23 Advanced Micro Devices, Inc. User selectable cell programming
US6297988B1 (en) 2000-02-25 2001-10-02 Advanced Micro Devices, Inc. Mode indicator for multi-level memory
US6219276B1 (en) 2000-02-25 2001-04-17 Advanced Micro Devices, Inc. Multilevel cell programming
US6707713B1 (en) 2000-03-01 2004-03-16 Advanced Micro Devices, Inc. Interlaced multi-level memory
US6331951B1 (en) 2000-11-21 2001-12-18 Advanced Micro Devices, Inc. Method and system for embedded chip erase verification
KR100463194B1 (ko) * 2001-02-16 2004-12-23 삼성전자주식회사 낸드형 플래쉬 메모리 장치의 프로그램 방법
JP2002367381A (ja) * 2001-06-05 2002-12-20 Sony Corp 不揮発性半導体メモリ装置およびその書き込み方法
US6847550B2 (en) * 2002-10-25 2005-01-25 Nexflash Technologies, Inc. Nonvolatile semiconductor memory having three-level memory cells and program and read mapping circuits therefor
US7073103B2 (en) * 2002-12-05 2006-07-04 Sandisk Corporation Smart verify for multi-state memories
KR100546343B1 (ko) * 2003-07-18 2006-01-26 삼성전자주식회사 플래시 메모리 장치의 프로그램 방법
JP4170952B2 (ja) 2004-01-30 2008-10-22 株式会社東芝 半導体記憶装置
KR100706247B1 (ko) * 2005-06-03 2007-04-11 삼성전자주식회사 플래시 메모리 장치 및 그것의 독출 방법
US7301817B2 (en) 2005-10-27 2007-11-27 Sandisk Corporation Method for programming of multi-state non-volatile memory using smart verify
US7366022B2 (en) * 2005-10-27 2008-04-29 Sandisk Corporation Apparatus for programming of multi-state non-volatile memory using smart verify
KR100683856B1 (ko) 2006-01-12 2007-02-15 삼성전자주식회사 고온 스트레스로 인한 읽기 마진의 감소를 보상할 수 있는플래시 메모리의 프로그램 방법
KR100683858B1 (ko) 2006-01-12 2007-02-15 삼성전자주식회사 고온 스트레스로 인한 읽기 마진의 감소를 보상할 수 있는플래시 메모리의 프로그램 방법
KR100816752B1 (ko) 2006-09-15 2008-03-25 삼성전자주식회사 프로그램 루프 동작을 수행하는 상 변화 메모리 장치 및그것의 프로그램 방법
KR100816155B1 (ko) * 2006-12-28 2008-03-21 주식회사 하이닉스반도체 불휘발성 메모리 장치 및 불휘발성 메모리 장치의 멀티레벨 셀 프로그램 방법
US7649783B2 (en) * 2007-01-25 2010-01-19 Micron Technology, Inc. Delayed activation of selected wordlines in memory
KR100927119B1 (ko) 2007-05-10 2009-11-18 삼성전자주식회사 불 휘발성 반도체 메모리 장치 및 그것의 프로그램 방법
KR101261008B1 (ko) * 2007-08-14 2013-05-06 삼성전자주식회사 3-레벨 비휘발성 메모리 셀을 포함하는 비휘발성 메모리장치의 구동 방법 및 그 방법을 사용하는 비휘발성 메모리장치
JP5172555B2 (ja) 2008-09-08 2013-03-27 株式会社東芝 半導体記憶装置
KR101554727B1 (ko) 2009-07-13 2015-09-23 삼성전자주식회사 불휘발성 메모리 장치 및 그것의 프로그램 방법
US8520426B2 (en) 2010-09-08 2013-08-27 Semiconductor Energy Laboratory Co., Ltd. Method for driving semiconductor device
US8374031B2 (en) 2010-09-29 2013-02-12 SanDisk Technologies, Inc. Techniques for the fast settling of word lines in NAND flash memory
KR101855435B1 (ko) 2010-11-15 2018-05-08 삼성전자주식회사 최대 검증-시간을 조절할 수 있는 비휘발성 메모리 장치, 이의 동작 방법, 및 이를 포함하는 메모리 시스템
US8737132B2 (en) 2012-01-06 2014-05-27 Sandisk Technologies Inc. Charge cycling by equalizing the source and bit line levels between pulses during no-verify write operations for NAND flash memory
JP5818740B2 (ja) * 2012-04-17 2015-11-18 インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation テキストデータストリームに含まれるアイテムの中から出現頻度の高いアイテムを特定する方法、装置及びコンピュータプログラム
JP2014053060A (ja) 2012-09-07 2014-03-20 Toshiba Corp 半導体記憶装置及びその制御方法
JP2014063551A (ja) 2012-09-21 2014-04-10 Toshiba Corp 半導体記憶装置
JP6538426B2 (ja) 2014-05-30 2019-07-03 株式会社半導体エネルギー研究所 半導体装置及び電子機器
US9633719B2 (en) 2015-05-29 2017-04-25 Micron Technology, Inc. Programming memory cells to be programmed to different levels to an intermediate level from a lowest level
CN108281163B (zh) * 2018-02-05 2020-09-25 杭州旗捷科技有限公司 耗材芯片存储器电压反馈方法及耗材芯片

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5440505A (en) * 1994-01-21 1995-08-08 Intel Corporation Method and circuitry for storing discrete amounts of charge in a single memory element
US5539690A (en) * 1994-06-02 1996-07-23 Intel Corporation Write verify schemes for flash memory with multilevel cells
US5596526A (en) * 1995-08-15 1997-01-21 Lexar Microsystems, Inc. Non-volatile memory system of multi-level transistor cells and methods using same
JP3180669B2 (ja) * 1996-06-03 2001-06-25 日本電気株式会社 不揮発性半導体メモリおよびその書き込み方法

Also Published As

Publication number Publication date
CN1195176A (zh) 1998-10-07
EP1564752A1 (de) 2005-08-17
JP3409986B2 (ja) 2003-05-26
DE69830089T2 (de) 2006-01-19
CN1204561C (zh) 2005-06-01
EP0856850A2 (de) 1998-08-05
JPH10214492A (ja) 1998-08-11
EP0856850B1 (de) 2005-05-11
TW379450B (en) 2000-01-11
KR19980070971A (ko) 1998-10-26
EP0856850A3 (de) 1999-06-16
KR100272035B1 (ko) 2000-11-15
US6028792A (en) 2000-02-22

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