DE60227907D1 - Magnetischer Direktzugriffsspeicher - Google Patents

Magnetischer Direktzugriffsspeicher

Info

Publication number
DE60227907D1
DE60227907D1 DE60227907T DE60227907T DE60227907D1 DE 60227907 D1 DE60227907 D1 DE 60227907D1 DE 60227907 T DE60227907 T DE 60227907T DE 60227907 T DE60227907 T DE 60227907T DE 60227907 D1 DE60227907 D1 DE 60227907D1
Authority
DE
Germany
Prior art keywords
random access
access memory
magnetic random
magnetic
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
DE60227907T
Other languages
English (en)
Inventor
Yoshihisa Iwata
Tomoki Higashi
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
Application granted granted Critical
Publication of DE60227907D1 publication Critical patent/DE60227907D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
    • 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
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C8/00—Arrangements for selecting an address in a digital store
    • G11C8/10—Decoders
    • 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
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165—Auxiliary circuits
    • G11C11/1653—Address circuits or decoders
    • G11C11/1655—Bit-line or column 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
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165—Auxiliary circuits
    • G11C11/1659—Cell access
    • 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
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165—Auxiliary circuits
    • G11C11/1673—Reading or sensing circuits or methods
DE60227907T 2001-12-21 2002-06-04 Magnetischer Direktzugriffsspeicher Expired - Lifetime DE60227907D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001390518 2001-12-21

Publications (1)

Publication Number Publication Date
DE60227907D1 true DE60227907D1 (de) 2008-09-11

Family

ID=19188383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60227907T Expired - Lifetime DE60227907D1 (de) 2001-12-21 2002-06-04 Magnetischer Direktzugriffsspeicher

Country Status (6)

Country Link
US (1) US6724653B1 (de)
EP (1) EP1321944B1 (de)
KR (1) KR100512509B1 (de)
CN (1) CN1310253C (de)
DE (1) DE60227907D1 (de)
TW (1) TWI223451B (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002230965A (ja) * 2001-01-24 2002-08-16 Internatl Business Mach Corp <Ibm> 不揮発性メモリ装置
JP2002246567A (ja) * 2001-02-14 2002-08-30 Toshiba Corp 磁気ランダムアクセスメモリ
JP2002299575A (ja) * 2001-03-29 2002-10-11 Toshiba Corp 半導体記憶装置
US6944048B2 (en) * 2001-11-29 2005-09-13 Kabushiki Kaisha Toshiba Magnetic random access memory
WO2003098636A2 (en) * 2002-05-16 2003-11-27 Micron Technology, Inc. STACKED 1T-nMEMORY CELL STRUCTURE
US6940748B2 (en) * 2002-05-16 2005-09-06 Micron Technology, Inc. Stacked 1T-nMTJ MRAM structure
US6882553B2 (en) * 2002-08-08 2005-04-19 Micron Technology Inc. Stacked columnar resistive memory structure and its method of formation and operation
US7209378B2 (en) * 2002-08-08 2007-04-24 Micron Technology, Inc. Columnar 1T-N memory cell structure
KR100506060B1 (ko) * 2002-12-16 2005-08-05 주식회사 하이닉스반도체 낸드형 자기저항 램
JP3766380B2 (ja) * 2002-12-25 2006-04-12 株式会社東芝 磁気ランダムアクセスメモリ及びその磁気ランダムアクセスメモリのデータ読み出し方法
JP2004213771A (ja) * 2002-12-27 2004-07-29 Toshiba Corp 磁気ランダムアクセスメモリ
JP3836823B2 (ja) * 2003-08-25 2006-10-25 株式会社東芝 半導体集積回路装置
US6842365B1 (en) * 2003-09-05 2005-01-11 Freescale Semiconductor, Inc. Write driver for a magnetoresistive memory
KR20050077157A (ko) * 2004-01-27 2005-08-01 삼성전자주식회사 자기 캐핑층을 갖는 엠램 소자 및 그 제조방법
JP2005310840A (ja) * 2004-04-16 2005-11-04 Toshiba Corp 磁気ランダムアクセスメモリ
TWI244162B (en) * 2004-08-18 2005-11-21 Ind Tech Res Inst Magnetic random access memory with tape read line, fabricating method and circuit thereof
KR100612878B1 (ko) * 2004-12-03 2006-08-14 삼성전자주식회사 자기 메모리 소자와 그 제조 및 동작방법
US7286393B2 (en) 2005-03-31 2007-10-23 Honeywell International Inc. System and method for hardening MRAM bits
US9911743B2 (en) 2005-05-09 2018-03-06 Nantero, Inc. Nonvolatile nanotube diodes and nonvolatile nanotube blocks and systems using same and methods of making same
DE102005046777B4 (de) * 2005-09-29 2013-10-17 Altis Semiconductor Halbleiterspeicher-Einrichtung
US7573736B2 (en) * 2007-05-22 2009-08-11 Taiwan Semiconductor Manufacturing Company Spin torque transfer MRAM device
US7688616B2 (en) * 2007-06-18 2010-03-30 Taiwan Semicondcutor Manufacturing Company, Ltd. Device and method of programming a magnetic memory element
US7764536B2 (en) * 2007-08-07 2010-07-27 Grandis, Inc. Method and system for providing a sense amplifier and drive circuit for spin transfer torque magnetic random access memory
JP2010232475A (ja) * 2009-03-27 2010-10-14 Renesas Electronics Corp 磁気記憶装置およびその製造方法
FR2973149B1 (fr) 2011-03-24 2021-12-10 Univ Paris Sud 11 Architecture de memoire logique, notamment pour mram ou pcram ou rram.
US8901687B2 (en) 2012-11-27 2014-12-02 Industrial Technology Research Institute Magnetic device with a substrate, a sensing block and a repair layer
KR102098244B1 (ko) 2014-02-04 2020-04-07 삼성전자 주식회사 자기 메모리 소자
US9595311B2 (en) * 2014-08-13 2017-03-14 Kabushiki Kaisha Toshiba Nonvolatile semiconductor memory device
US9570509B2 (en) * 2015-01-29 2017-02-14 Qualcomm Incorporated Magnetic tunnel junction (MTJ) device array
US9721634B2 (en) * 2015-04-27 2017-08-01 Qualcomm Incorporated Decoupling of source line layout from access transistor contact placement in a magnetic tunnel junction (MTJ) memory bit cell to facilitate reduced contact resistance
US10290327B2 (en) 2017-10-13 2019-05-14 Nantero, Inc. Devices and methods for accessing resistive change elements in resistive change element arrays
US10825516B2 (en) 2018-02-27 2020-11-03 Nantero, Inc. Resistive change element cells sharing selection devices
US11295810B2 (en) 2019-06-07 2022-04-05 Nantero, Inc. Combinational resistive change elements
US11665977B2 (en) 2020-05-29 2023-05-30 Taiwan Semiconductor Manufacturing Co., Ltd. Magnetic tunnel junction device and method
US11798623B2 (en) 2021-11-05 2023-10-24 Nantero, Inc. Three dimensional (3D) memories with multiple resistive change elements per cell and corresponding architectures

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829476A (en) * 1987-07-28 1989-05-09 Honeywell Inc. Differential magnetoresistive memory sensing
FR2665010B1 (fr) 1990-07-20 1992-09-18 Thomson Csf Dispositif magnetique de lecture a reseau matriciel de tetes de lecture.
DE69413567T2 (de) 1993-01-12 1999-06-02 Koninkl Philips Electronics Nv Prozessorsystem mit ferroelektrischem Speicher
US5894447A (en) 1996-09-26 1999-04-13 Kabushiki Kaisha Toshiba Semiconductor memory device including a particular memory cell block structure
US6256224B1 (en) * 2000-05-03 2001-07-03 Hewlett-Packard Co Write circuit for large MRAM arrays
KR100297874B1 (ko) * 1997-09-08 2001-10-24 윤종용 강유전체랜덤액세스메모리장치
TW411471B (en) 1997-09-17 2000-11-11 Siemens Ag Memory-cell device
DE19744095A1 (de) 1997-10-06 1999-04-15 Siemens Ag Speicherzellenanordnung
US6169688B1 (en) 1998-03-23 2001-01-02 Kabushiki Kaisha Toshiba Magnetic storage device using unipole currents for selecting memory cells
WO2000004555A2 (de) * 1998-07-15 2000-01-27 Infineon Technologies Ag Speicherzellenanordnung, bei der ein elektrischer widerstand eines speicherelements eine information darstellt und durch ein magnetfeld beeinflussbar ist, und verfahren zu deren herstellung
TW440835B (en) 1998-09-30 2001-06-16 Siemens Ag Magnetoresistive memory with raised interference security
JP2000132961A (ja) 1998-10-23 2000-05-12 Canon Inc 磁気薄膜メモリ、磁気薄膜メモリの読出し方法、及び磁気薄膜メモリの書込み方法
DE19914489C1 (de) 1999-03-30 2000-06-08 Siemens Ag Vorrichtung zur Bewertung der Zellenwiderstände in einem magnetoresistiven Speicher
DE60021041T2 (de) 1999-10-13 2006-05-04 Rohm Co. Ltd. Nichtflüchtiger Speicher und Steuerungsverfahren dafür
JP2001217398A (ja) 2000-02-03 2001-08-10 Rohm Co Ltd 強磁性トンネル接合素子を用いた記憶装置
DE10020128A1 (de) 2000-04-14 2001-10-18 Infineon Technologies Ag MRAM-Speicher
JP4477199B2 (ja) 2000-06-16 2010-06-09 株式会社ルネサステクノロジ 磁気ランダムアクセスメモリ、磁気ランダムアクセスメモリへのアクセス方法および磁気ランダムアクセスメモリの製造方法
US6356477B1 (en) 2001-01-29 2002-03-12 Hewlett Packard Company Cross point memory array including shared devices for blocking sneak path currents

Also Published As

Publication number Publication date
KR100512509B1 (ko) 2005-09-07
TW200301561A (en) 2003-07-01
EP1321944B1 (de) 2008-07-30
TWI223451B (en) 2004-11-01
US6724653B1 (en) 2004-04-20
CN1428787A (zh) 2003-07-09
EP1321944A1 (de) 2003-06-25
KR20030053461A (ko) 2003-06-28
CN1310253C (zh) 2007-04-11

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