DE60300950D1 - MRAM Architektur - Google Patents

MRAM Architektur

Info

Publication number
DE60300950D1
DE60300950D1 DE60300950T DE60300950T DE60300950D1 DE 60300950 D1 DE60300950 D1 DE 60300950D1 DE 60300950 T DE60300950 T DE 60300950T DE 60300950 T DE60300950 T DE 60300950T DE 60300950 D1 DE60300950 D1 DE 60300950D1
Authority
DE
Germany
Prior art keywords
mram architecture
mram
architecture
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
DE60300950T
Other languages
English (en)
Other versions
DE60300950T2 (de
Inventor
Heon Lee
Frederick A Perder
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.)
Samsung Electronics Co Ltd
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE60300950D1 publication Critical patent/DE60300950D1/de
Publication of DE60300950T2 publication Critical patent/DE60300950T2/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
    • G11C11/16—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
    • 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
    • G11C11/1657—Word-line or row 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
    • G11C11/14—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
    • 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
    • G11C11/1675—Writing or programming circuits or methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Semiconductor Memories (AREA)
  • Hall/Mr Elements (AREA)
DE60300950T 2002-02-20 2003-02-18 MRAM Architektur Expired - Lifetime DE60300950T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79311 2002-02-20
US10/079,311 US6665205B2 (en) 2002-02-20 2002-02-20 Shared global word line magnetic random access memory

Publications (2)

Publication Number Publication Date
DE60300950D1 true DE60300950D1 (de) 2005-08-11
DE60300950T2 DE60300950T2 (de) 2006-06-08

Family

ID=27660320

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60300950T Expired - Lifetime DE60300950T2 (de) 2002-02-20 2003-02-18 MRAM Architektur

Country Status (7)

Country Link
US (2) US6665205B2 (de)
EP (1) EP1339067B1 (de)
JP (1) JP2003298028A (de)
KR (1) KR20030069843A (de)
CN (2) CN101231881B (de)
DE (1) DE60300950T2 (de)
TW (1) TW200303545A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030218896A1 (en) * 2002-05-22 2003-11-27 Pon Harry Q Combined memory
US6785160B1 (en) * 2003-04-29 2004-08-31 Hewlett-Packard Development Company, L.P. Method of providing stability of a magnetic memory cell
US6925000B2 (en) 2003-12-12 2005-08-02 Maglabs, Inc. Method and apparatus for a high density magnetic random access memory (MRAM) with stackable architecture
US7027324B2 (en) * 2004-06-09 2006-04-11 Headway Technologies, Inc. Method and system for providing common read and write word lines for a segmented word line MRAM array
US7061037B2 (en) * 2004-07-06 2006-06-13 Maglabs, Inc. Magnetic random access memory with multiple memory layers and improved memory cell selectivity
US7075818B2 (en) * 2004-08-23 2006-07-11 Maglabs, Inc. Magnetic random access memory with stacked memory layers having access lines for writing and reading
US7560821B2 (en) * 2005-03-24 2009-07-14 Sumitomo Bakelite Company, Ltd Area mount type semiconductor device, and die bonding resin composition and encapsulating resin composition used for the same
US8273582B2 (en) * 2009-07-09 2012-09-25 Crocus Technologies Method for use in making electronic devices having thin-film magnetic components
CN105336357B (zh) * 2014-07-17 2018-05-11 华为技术有限公司 磁性存储装置及运用该装置的信息存储方法
US9299924B1 (en) 2015-06-29 2016-03-29 International Business Machines Corporation Injection pillar definition for line MRAM by a self-aligned sidewall transfer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW411471B (en) 1997-09-17 2000-11-11 Siemens Ag Memory-cell device
US5930164A (en) * 1998-02-26 1999-07-27 Motorola, Inc. Magnetic memory unit having four states and operating method thereof
US5946227A (en) 1998-07-20 1999-08-31 Motorola, Inc. Magnetoresistive random access memory with shared word and digit lines
WO2001024289A1 (fr) 1999-09-27 2001-04-05 Matsushita Electric Industrial Co., Ltd. Dispositif a memoire a resistance magnetique et procede de production
US6473336B2 (en) 1999-12-16 2002-10-29 Kabushiki Kaisha Toshiba Magnetic memory device
US6335890B1 (en) 2000-11-01 2002-01-01 International Business Machines Corporation Segmented write line architecture for writing magnetic random access memories
JP4726292B2 (ja) * 2000-11-14 2011-07-20 ルネサスエレクトロニクス株式会社 薄膜磁性体記憶装置
US6413788B1 (en) * 2001-02-28 2002-07-02 Micron Technology, Inc. Keepers for MRAM electrodes
US6548849B1 (en) * 2002-01-31 2003-04-15 Sharp Laboratories Of America, Inc. Magnetic yoke structures in MRAM devices to reduce programming power consumption and a method to make the same

Also Published As

Publication number Publication date
US20040047213A1 (en) 2004-03-11
CN101231881B (zh) 2011-04-06
CN1440037A (zh) 2003-09-03
DE60300950T2 (de) 2006-06-08
EP1339067A1 (de) 2003-08-27
US6927092B2 (en) 2005-08-09
US6665205B2 (en) 2003-12-16
JP2003298028A (ja) 2003-10-17
TW200303545A (en) 2003-09-01
CN100380519C (zh) 2008-04-09
KR20030069843A (ko) 2003-08-27
EP1339067B1 (de) 2005-07-06
CN101231881A (zh) 2008-07-30
US20030156444A1 (en) 2003-08-21

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SAMSUNG ELECTRONICS CO., LTD., SUWON, GYEONGGI, KR