DE69903206D1 - Magnetische Speicheranordnungen mit einer Vielzahl magnetischer Tunnelverbindungen - Google Patents

Magnetische Speicheranordnungen mit einer Vielzahl magnetischer Tunnelverbindungen

Info

Publication number
DE69903206D1
DE69903206D1 DE69903206T DE69903206T DE69903206D1 DE 69903206 D1 DE69903206 D1 DE 69903206D1 DE 69903206 T DE69903206 T DE 69903206T DE 69903206 T DE69903206 T DE 69903206T DE 69903206 D1 DE69903206 D1 DE 69903206D1
Authority
DE
Germany
Prior art keywords
magnetic
variety
storage devices
tunnel connections
magnetic storage
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
DE69903206T
Other languages
English (en)
Other versions
DE69903206T2 (de
Inventor
David William Abraham
William Joseph Gallagher
Philip Louis Trouilloud
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
Application granted granted Critical
Publication of DE69903206D1 publication Critical patent/DE69903206D1/de
Publication of DE69903206T2 publication Critical patent/DE69903206T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H10B61/10—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having two electrodes, e.g. diodes or MIM elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/06—Arrangements for interconnecting storage elements electrically, e.g. by wiring
    • G11C5/08—Arrangements for interconnecting storage elements electrically, e.g. by wiring for interconnecting magnetic elements, e.g. toroidal cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/70—Masking faults in memories by using spares or by reconfiguring
    • G11C29/74—Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual copies
DE69903206T 1998-02-10 1999-01-20 Magnetische Speicheranordnungen mit einer Vielzahl magnetischer Tunnelverbindungen Expired - Lifetime DE69903206T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/021,342 US6072718A (en) 1998-02-10 1998-02-10 Magnetic memory devices having multiple magnetic tunnel junctions therein

Publications (2)

Publication Number Publication Date
DE69903206D1 true DE69903206D1 (de) 2002-11-07
DE69903206T2 DE69903206T2 (de) 2003-07-10

Family

ID=21803670

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69903206T Expired - Lifetime DE69903206T2 (de) 1998-02-10 1999-01-20 Magnetische Speicheranordnungen mit einer Vielzahl magnetischer Tunnelverbindungen

Country Status (5)

Country Link
US (1) US6072718A (de)
EP (1) EP0936622B1 (de)
JP (1) JP3443026B2 (de)
KR (1) KR100339176B1 (de)
DE (1) DE69903206T2 (de)

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Also Published As

Publication number Publication date
EP0936622B1 (de) 2002-10-02
EP0936622A3 (de) 2000-11-08
KR19990072259A (ko) 1999-09-27
DE69903206T2 (de) 2003-07-10
JP3443026B2 (ja) 2003-09-02
KR100339176B1 (ko) 2002-05-31
US6072718A (en) 2000-06-06
EP0936622A2 (de) 1999-08-18
JPH11317071A (ja) 1999-11-16

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