GB2489360B - Read direction for spin-torque based memory device - Google Patents

Read direction for spin-torque based memory device

Info

Publication number
GB2489360B
GB2489360B GB1211967.3A GB201211967A GB2489360B GB 2489360 B GB2489360 B GB 2489360B GB 201211967 A GB201211967 A GB 201211967A GB 2489360 B GB2489360 B GB 2489360B
Authority
GB
United Kingdom
Prior art keywords
spin
memory device
based memory
torque based
read direction
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 - Fee Related
Application number
GB1211967.3A
Other languages
English (en)
Other versions
GB201211967D0 (en
GB2489360A (en
Inventor
Daniel C Worledge
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB201211967D0 publication Critical patent/GB201211967D0/en
Publication of GB2489360A publication Critical patent/GB2489360A/en
Application granted granted Critical
Publication of GB2489360B publication Critical patent/GB2489360B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11C11/165—Auxiliary circuits
    • G11C11/1673—Reading or sensing circuits or methods
    • 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
    • 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
    • G11C11/1659—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)
  • Hall/Mr Elements (AREA)
GB1211967.3A 2010-01-08 2011-01-03 Read direction for spin-torque based memory device Expired - Fee Related GB2489360B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/684,510 US8107285B2 (en) 2010-01-08 2010-01-08 Read direction for spin-torque based memory device
PCT/US2011/020011 WO2011084906A1 (en) 2010-01-08 2011-01-03 Read direction for spin-torque based memory device

Publications (3)

Publication Number Publication Date
GB201211967D0 GB201211967D0 (en) 2012-08-15
GB2489360A GB2489360A (en) 2012-09-26
GB2489360B true GB2489360B (en) 2015-05-20

Family

ID=44258409

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1211967.3A Expired - Fee Related GB2489360B (en) 2010-01-08 2011-01-03 Read direction for spin-torque based memory device

Country Status (8)

Country Link
US (1) US8107285B2 (https=)
JP (2) JP5744912B2 (https=)
KR (1) KR20120125229A (https=)
CN (1) CN102687202B (https=)
DE (1) DE112011100085T5 (https=)
GB (1) GB2489360B (https=)
TW (1) TWI505268B (https=)
WO (1) WO2011084906A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012243364A (ja) * 2011-05-20 2012-12-10 Fujitsu Ltd 磁気メモリデバイスの駆動方法及び磁気メモリデバイス
US20130028010A1 (en) * 2011-07-29 2013-01-31 Qualcomm Incorporated Fast MTJ Switching Write Circuit For MRAM Array
KR102124209B1 (ko) 2014-04-14 2020-06-18 삼성전자주식회사 반도체 메모리 장치
US10311928B2 (en) 2015-10-15 2019-06-04 Samsung Electronics Co., Ltd. Semiconductor devices including reversible and one-time programmable magnetic tunnel junctions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020159288A1 (en) * 2001-04-27 2002-10-31 International Business Machines Corporation MRAM array and access method thereof
US20080219044A1 (en) * 2007-03-06 2008-09-11 Qualcomm Incorporated Read Disturb Reduction Circuit for Spin Transfer Torque Magnetoresistive Random Access Memory
US20090174015A1 (en) * 2008-01-08 2009-07-09 Qualcomm Incorporated Memory Cell and Method of Forming a Magnetic Tunnel Junction (MTJ) of a Memory Cell

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3920565B2 (ja) * 2000-12-26 2007-05-30 株式会社東芝 磁気ランダムアクセスメモリ
US6646911B2 (en) * 2001-10-26 2003-11-11 Mitsubishi Denki Kabushiki Kaisha Thin film magnetic memory device having data read current tuning function
JP2004013961A (ja) * 2002-06-04 2004-01-15 Mitsubishi Electric Corp 薄膜磁性体記憶装置
JP4626253B2 (ja) * 2004-10-08 2011-02-02 ソニー株式会社 記憶装置
JP4883982B2 (ja) * 2005-10-19 2012-02-22 ルネサスエレクトロニクス株式会社 不揮発性記憶装置
US7286395B2 (en) 2005-10-27 2007-10-23 Grandis, Inc. Current driven switched magnetic storage cells having improved read and write margins and magnetic memories using such cells
DE602006013948D1 (de) * 2006-05-04 2010-06-10 Hitachi Ltd Magnetspeichervorrichtung
JP5076361B2 (ja) * 2006-05-18 2012-11-21 株式会社日立製作所 半導体装置
US7379327B2 (en) 2006-06-26 2008-05-27 Grandis, Inc. Current driven switching of magnetic storage cells utilizing spin transfer and magnetic memories using such cells having enhanced read and write margins
JP4250644B2 (ja) * 2006-08-21 2009-04-08 株式会社東芝 磁気記憶素子およびこの磁気記憶素子を備えた磁気メモリならびに磁気メモリの駆動方法
TWI317125B (en) * 2006-12-27 2009-11-11 Macronix Int Co Ltd Structure of magnetic random access memory using spin-torque transfer writing and method for manufacturing same
US7764537B2 (en) 2007-04-05 2010-07-27 Qualcomm Incorporated Spin transfer torque magnetoresistive random access memory and design methods
US7825445B2 (en) 2007-11-29 2010-11-02 Seagate Technology Llc Magnetoresistive memory elements with separate read and write current paths

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020159288A1 (en) * 2001-04-27 2002-10-31 International Business Machines Corporation MRAM array and access method thereof
US20080219044A1 (en) * 2007-03-06 2008-09-11 Qualcomm Incorporated Read Disturb Reduction Circuit for Spin Transfer Torque Magnetoresistive Random Access Memory
US20090174015A1 (en) * 2008-01-08 2009-07-09 Qualcomm Incorporated Memory Cell and Method of Forming a Magnetic Tunnel Junction (MTJ) of a Memory Cell

Also Published As

Publication number Publication date
JP2014209405A (ja) 2014-11-06
CN102687202A (zh) 2012-09-19
DE112011100085T5 (de) 2012-09-20
US20110170340A1 (en) 2011-07-14
CN102687202B (zh) 2014-01-15
WO2011084906A1 (en) 2011-07-14
US8107285B2 (en) 2012-01-31
TW201203239A (en) 2012-01-16
TWI505268B (zh) 2015-10-21
GB201211967D0 (en) 2012-08-15
JP5744912B2 (ja) 2015-07-08
KR20120125229A (ko) 2012-11-14
JP2013516726A (ja) 2013-05-13
GB2489360A (en) 2012-09-26

Similar Documents

Publication Publication Date Title
GB2485011B (en) Storage device
EP2562759A3 (en) Memory device with reduced sense time readout
GB201210237D0 (en) Strobe offset in bidirectional memory strobe configurations
GB2489355B (en) Memory device wear-leveling techniques
ZA201203644B (en) Access device
SG2014006118A (en) Nano-sense amplifier for memory
EP2524313A4 (en) NON-VOLATILE MEMORY DEVICE AND METHOD THEREFOR
IL238263B (en) A non-volatile semiconductor storage device
IL221247A0 (en) Usb memory device
IT1401113B1 (it) Dispositivo di stoccaggio
EP2511830A4 (en) INFORMATION PROCESSING DEVICE
GB2508527B (en) Antiferromagnetic storage device
EP2669863A4 (en) IMAGE READING DEVICE
SG2014008627A (en) Non-volatile semiconductor memory device
SG11201408686QA (en) Non-volatile semiconductor storage device
GB201212032D0 (en) Reference cells for spin torque based memory device
IT1397216B1 (it) Dispositivo di memoria sram
EP2662775A4 (en) Memory card device
EP2543003A4 (en) A memory card
GB201015349D0 (en) Memory device
GB2489360B (en) Read direction for spin-torque based memory device
EP2544092A4 (en) STORAGE DEVICE
EP2544084A4 (en) STORAGE DEVICE
GB2481048B (en) Thermal storage device controllar
TWM391153U (en) Memory training device

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160103