JP2003179215A - トンネル接合に直列の磁気トンネル接合を備えたメモリ・セル - Google Patents

トンネル接合に直列の磁気トンネル接合を備えたメモリ・セル

Info

Publication number
JP2003179215A
JP2003179215A JP2002301748A JP2002301748A JP2003179215A JP 2003179215 A JP2003179215 A JP 2003179215A JP 2002301748 A JP2002301748 A JP 2002301748A JP 2002301748 A JP2002301748 A JP 2002301748A JP 2003179215 A JP2003179215 A JP 2003179215A
Authority
JP
Japan
Prior art keywords
tunnel junction
memory cell
voltage
memory
magnetic
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.)
Withdrawn
Application number
JP2002301748A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003179215A5 (enExample
Inventor
Lung T Tran
ラング・ティー・トラン
Sharma Mannish
マニッシュ・シャーマ
Thomas C Anthony
トーマス・シー・アンソニー
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.)
HP Inc
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
Publication of JP2003179215A publication Critical patent/JP2003179215A/ja
Publication of JP2003179215A5 publication Critical patent/JP2003179215A5/ja
Withdrawn legal-status Critical Current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
    • G11C11/161—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 details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
    • 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
    • G11C11/5607—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 magnetic storage elements
    • 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
    • G11C11/5671—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 trapping in an insulator
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/14—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM
    • G11C17/16—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Hall/Mr Elements (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Semiconductor Memories (AREA)
JP2002301748A 2001-10-24 2002-10-16 トンネル接合に直列の磁気トンネル接合を備えたメモリ・セル Withdrawn JP2003179215A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/983,404 2001-10-24
US09/983,404 US6473337B1 (en) 2001-10-24 2001-10-24 Memory device having memory cells with magnetic tunnel junction and tunnel junction in series

Publications (2)

Publication Number Publication Date
JP2003179215A true JP2003179215A (ja) 2003-06-27
JP2003179215A5 JP2003179215A5 (enExample) 2005-06-16

Family

ID=25529936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002301748A Withdrawn JP2003179215A (ja) 2001-10-24 2002-10-16 トンネル接合に直列の磁気トンネル接合を備えたメモリ・セル

Country Status (6)

Country Link
US (1) US6473337B1 (enExample)
EP (1) EP1306850A3 (enExample)
JP (1) JP2003179215A (enExample)
KR (1) KR20030034026A (enExample)
CN (1) CN1414559A (enExample)
TW (1) TW567492B (enExample)

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US6741494B2 (en) * 1995-04-21 2004-05-25 Mark B. Johnson Magnetoelectronic memory element with inductively coupled write wires
US6674664B2 (en) * 2001-05-07 2004-01-06 Nve Corporation Circuit selected joint magnetoresistive junction tunneling-giant magnetoresistive effects memory cells
US7067850B2 (en) * 2001-10-16 2006-06-27 Midwest Research Institute Stacked switchable element and diode combination
KR20030034500A (ko) * 2001-10-23 2003-05-09 주식회사 하이닉스반도체 마그네틱 램
FR2832542B1 (fr) * 2001-11-16 2005-05-06 Commissariat Energie Atomique Dispositif magnetique a jonction tunnel magnetique, memoire et procedes d'ecriture et de lecture utilisant ce dispositif
US6778421B2 (en) * 2002-03-14 2004-08-17 Hewlett-Packard Development Company, Lp. Memory device array having a pair of magnetic bits sharing a common conductor line
US6751149B2 (en) * 2002-03-22 2004-06-15 Micron Technology, Inc. Magnetic tunneling junction antifuse device
US6826077B2 (en) * 2002-05-15 2004-11-30 Hewlett-Packard Development Company, L.P. Magnetic random access memory with reduced parasitic currents
US6667897B1 (en) * 2002-06-28 2003-12-23 International Business Machines Corporation Magnetic tunnel junction containing a ferrimagnetic layer and anti-parallel layer
US6714444B2 (en) * 2002-08-06 2004-03-30 Grandis, Inc. Magnetic element utilizing spin transfer and an MRAM device using the magnetic element
US6847547B2 (en) * 2003-02-28 2005-01-25 Grandis, Inc. Magnetostatically coupled magnetic elements utilizing spin transfer and an MRAM device using the magnetic element
US6768150B1 (en) * 2003-04-17 2004-07-27 Infineon Technologies Aktiengesellschaft Magnetic memory
US20050073878A1 (en) * 2003-10-03 2005-04-07 Taiwan Semiconductor Manufacturing Co., Ltd. Multi-sensing level MRAM structure with different magnetoresistance ratios
US6947333B2 (en) * 2003-10-30 2005-09-20 Hewlett-Packard Development Company, L.P. Memory device
KR100669363B1 (ko) * 2004-10-26 2007-01-16 삼성전자주식회사 메모리 장치의 읽기 방법
US7867788B2 (en) * 2005-09-20 2011-01-11 Freescale Semiconductor, Inc. Spin-dependent tunnelling cell and method of formation thereof
US7777261B2 (en) * 2005-09-20 2010-08-17 Grandis Inc. Magnetic device having stabilized free ferromagnetic layer
KR100881181B1 (ko) * 2006-11-13 2009-02-05 삼성전자주식회사 반도체 메모리 소자 및 그 제조 방법
US7894248B2 (en) * 2008-09-12 2011-02-22 Grandis Inc. Programmable and redundant circuitry based on magnetic tunnel junction (MTJ)
US8363460B2 (en) * 2010-04-07 2013-01-29 Avalanche Technology, Inc. Method and apparatus for programming a magnetic tunnel junction (MTJ)
KR101676821B1 (ko) * 2010-03-18 2016-11-17 삼성전자주식회사 자기 메모리 소자 및 그 형성방법
US9093149B2 (en) * 2012-09-04 2015-07-28 Qualcomm Incorporated Low cost programmable multi-state device
KR101986335B1 (ko) * 2012-10-08 2019-06-05 삼성전자주식회사 보상 저항성 소자를 포함하는 저항성 메모리 장치
US20150103586A1 (en) * 2013-10-16 2015-04-16 Qualcomm Incorporated Write driver and program driver for otp (one-time programmable) memory with magnetic tunneling junction cells
CN103545339B (zh) * 2013-11-08 2015-12-02 北京航空航天大学 一种可高速计算、大容量存储的存储单元
US10438997B2 (en) 2014-05-21 2019-10-08 Avalanche Technology, Inc. Multilayered seed structure for magnetic memory element including a CoFeB seed layer
US10347691B2 (en) 2014-05-21 2019-07-09 Avalanche Technology, Inc. Magnetic memory element with multilayered seed structure
US9496489B2 (en) 2014-05-21 2016-11-15 Avalanche Technology, Inc. Magnetic random access memory with multilayered seed structure
US10050083B2 (en) 2014-05-21 2018-08-14 Avalanche Technology, Inc. Magnetic structure with multilayered seed
US9548095B2 (en) 2014-08-20 2017-01-17 Everspin Technologies, Inc. Redundant magnetic tunnel junctions in magnetoresistive memory
KR102466032B1 (ko) 2015-06-24 2022-11-11 타호 리서치 리미티드 로직 및 메모리 디바이스들을 위한 금속 스핀 초격자
US9536926B1 (en) * 2015-12-22 2017-01-03 International Business Machines Corporation Magnetic tunnel junction based anti-fuses with cascoded transistors
US10263179B2 (en) * 2017-07-18 2019-04-16 Nxp B.V. Method of forming tunnel magnetoresistance (TMR) elements and TMR sensor element
JP2020155727A (ja) * 2019-03-22 2020-09-24 ソニーセミコンダクタソリューションズ株式会社 半導体装置及びこれを備えた電子機器
KR102274831B1 (ko) * 2019-05-30 2021-07-08 한국과학기술연구원 전기장 제어 마그네틱램
CN112910466A (zh) * 2021-01-27 2021-06-04 东南大学 一种磁性隧道结与电阻结合替代纯电阻的调制器电路
US12604670B2 (en) * 2021-06-16 2026-04-14 Intel Corporation In-package magnetic switching using glass core technology
US11972785B2 (en) 2021-11-15 2024-04-30 International Business Machines Corporation MRAM structure with enhanced magnetics using seed engineering
CN115020583A (zh) * 2022-07-22 2022-09-06 浙江驰拓科技有限公司 一种新型磁性存储器件及其制作方法

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US5701222A (en) * 1995-09-11 1997-12-23 International Business Machines Corporation Spin valve sensor with antiparallel magnetization of pinned layers
US5991193A (en) * 1997-12-02 1999-11-23 International Business Machines Corporation Voltage biasing for magnetic ram with magnetic tunnel memory cells
US6069820A (en) * 1998-02-20 2000-05-30 Kabushiki Kaisha Toshiba Spin dependent conduction device
US5930164A (en) * 1998-02-26 1999-07-27 Motorola, Inc. Magnetic memory unit having four states and operating method thereof
EP0959475A3 (en) * 1998-05-18 2000-11-08 Canon Kabushiki Kaisha Magnetic thin film memory and recording and reproducing method and apparatus using such a memory
US6269018B1 (en) * 2000-04-13 2001-07-31 International Business Machines Corporation Magnetic random access memory using current through MTJ write mechanism
US6331944B1 (en) * 2000-04-13 2001-12-18 International Business Machines Corporation Magnetic random access memory using a series tunnel element select mechanism
US6541792B1 (en) * 2001-09-14 2003-04-01 Hewlett-Packard Development Company, Llp Memory device having dual tunnel junction memory cells

Also Published As

Publication number Publication date
EP1306850A3 (en) 2004-07-14
US6473337B1 (en) 2002-10-29
EP1306850A2 (en) 2003-05-02
CN1414559A (zh) 2003-04-30
TW567492B (en) 2003-12-21
KR20030034026A (ko) 2003-05-01

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