CN1337712A - 在磁式随机存取存储器内阻止电迁移的方法 - Google Patents
在磁式随机存取存储器内阻止电迁移的方法 Download PDFInfo
- Publication number
- CN1337712A CN1337712A CN01122147A CN01122147A CN1337712A CN 1337712 A CN1337712 A CN 1337712A CN 01122147 A CN01122147 A CN 01122147A CN 01122147 A CN01122147 A CN 01122147A CN 1337712 A CN1337712 A CN 1337712A
- Authority
- CN
- China
- Prior art keywords
- word line
- direct current
- current signal
- bit line
- resistance
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
Images
Classifications
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- 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
- G11C11/1675—Writing or programming circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/349—Arrangements for evaluating degradation, retention or wearout, e.g. by counting erase cycles
- G11C16/3495—Circuits or methods to detect or delay wearout of nonvolatile EPROM or EEPROM memory devices, e.g. by counting numbers of erase or reprogram cycles, by using multiple memory areas serially or cyclically
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
- Hall/Mr Elements (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10032278A DE10032278C1 (de) | 2000-07-03 | 2000-07-03 | Verfahren zur Verhinderung von Elektromigration in einem MRAM |
DE10032278.6 | 2000-07-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1337712A true CN1337712A (zh) | 2002-02-27 |
CN1162862C CN1162862C (zh) | 2004-08-18 |
Family
ID=7647607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB01122147XA Expired - Fee Related CN1162862C (zh) | 2000-07-03 | 2001-07-03 | 在磁式随机存取存储器内阻止电迁移的方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6522578B2 (zh) |
EP (1) | EP1170751A1 (zh) |
JP (1) | JP3737039B2 (zh) |
KR (1) | KR100441177B1 (zh) |
CN (1) | CN1162862C (zh) |
DE (1) | DE10032278C1 (zh) |
TW (1) | TWI246689B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100447893C (zh) * | 2002-07-29 | 2008-12-31 | 日本电气株式会社 | 磁随机存取存储器 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10055936C2 (de) * | 2000-11-10 | 2003-08-28 | Infineon Technologies Ag | Magnetoresistiver Speicher (MRAM) und dessen Verwendung |
JP3920564B2 (ja) * | 2000-12-25 | 2007-05-30 | 株式会社東芝 | 磁気ランダムアクセスメモリ |
DE10123593C2 (de) * | 2001-05-15 | 2003-03-27 | Infineon Technologies Ag | Magnetische Speicheranordnung |
JP2003091987A (ja) * | 2001-09-18 | 2003-03-28 | Sony Corp | 磁気メモリ装置及びその記録制御方法 |
DE10149737A1 (de) * | 2001-10-09 | 2003-04-24 | Infineon Technologies Ag | Halbleiterspeicher mit sich kreuzenden Wort- und Bitleitungen, an denen magnetoresistive Speicherzellen angeordnet sind |
JP3924461B2 (ja) * | 2001-12-17 | 2007-06-06 | Necエレクトロニクス株式会社 | 不揮発性記憶装置とその動作方法 |
JP3778100B2 (ja) | 2002-02-08 | 2006-05-24 | ソニー株式会社 | 強磁性トンネル接合素子を用いた磁気記憶装置 |
US6683806B2 (en) * | 2002-03-26 | 2004-01-27 | Micron Technology, Inc. | Methods of operating MRAM devices |
WO2005022546A1 (en) * | 2003-09-02 | 2005-03-10 | Koninklijke Philips Electronics N.V. | Active shielding for a circuit comprising magnetically sensitive materials |
US8427864B2 (en) | 2009-06-03 | 2013-04-23 | Hitachi, Ltd. | Semiconductor storage device |
US10903865B2 (en) | 2013-01-25 | 2021-01-26 | Infineon Technologies Ag | Signal interface and a signal processing system |
US10756857B2 (en) * | 2013-01-25 | 2020-08-25 | Infineon Technologies Ag | Method, apparatus and computer program for digital transmission of messages |
WO2015136748A1 (en) | 2014-03-13 | 2015-09-17 | Sakai Shintaro | Variable change memory and the writing method of the same |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1527033A (fr) * | 1967-04-04 | 1968-05-31 | Csf | Mémoire magnétique à lecture non destructive |
JPS5468170A (en) * | 1977-11-11 | 1979-06-01 | Hitachi Ltd | Fine pattern element |
DE69027614T2 (de) * | 1989-03-14 | 1996-11-28 | Toshiba Kawasaki Kk | Halbleitervorrichtung mit Mehrlagenverdrahtung und Verfahren zu ihrer Herstellung |
US6111784A (en) * | 1997-09-18 | 2000-08-29 | Canon Kabushiki Kaisha | Magnetic thin film memory element utilizing GMR effect, and recording/reproduction method using such memory element |
US6363002B1 (en) * | 1997-12-31 | 2002-03-26 | Texas Instruments Incorporated | Ferroelectric memory with bipolar drive pulses |
US6219273B1 (en) * | 1998-03-02 | 2001-04-17 | California Institute Of Technology | Integrated semiconductor-magnetic random access memory system |
TW454187B (en) * | 1998-09-30 | 2001-09-11 | Siemens Ag | Magnetoresistive memory with low current density |
US6097626A (en) * | 1999-07-28 | 2000-08-01 | Hewlett-Packard Company | MRAM device using magnetic field bias to suppress inadvertent switching of half-selected memory cells |
US6134138A (en) * | 1999-07-30 | 2000-10-17 | Honeywell Inc. | Method and apparatus for reading a magnetoresistive memory |
-
2000
- 2000-07-03 DE DE10032278A patent/DE10032278C1/de not_active Expired - Fee Related
-
2001
- 2001-06-08 EP EP01114034A patent/EP1170751A1/de not_active Withdrawn
- 2001-06-29 JP JP2001200236A patent/JP3737039B2/ja not_active Expired - Fee Related
- 2001-07-02 KR KR10-2001-0039231A patent/KR100441177B1/ko not_active IP Right Cessation
- 2001-07-02 TW TW090116111A patent/TWI246689B/zh not_active IP Right Cessation
- 2001-07-03 US US09/898,791 patent/US6522578B2/en not_active Expired - Lifetime
- 2001-07-03 CN CNB01122147XA patent/CN1162862C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100447893C (zh) * | 2002-07-29 | 2008-12-31 | 日本电气株式会社 | 磁随机存取存储器 |
Also Published As
Publication number | Publication date |
---|---|
JP2002093149A (ja) | 2002-03-29 |
JP3737039B2 (ja) | 2006-01-18 |
US20020001225A1 (en) | 2002-01-03 |
TWI246689B (en) | 2006-01-01 |
KR20020004845A (ko) | 2002-01-16 |
CN1162862C (zh) | 2004-08-18 |
KR100441177B1 (ko) | 2004-07-22 |
DE10032278C1 (de) | 2001-11-29 |
EP1170751A1 (de) | 2002-01-09 |
US6522578B2 (en) | 2003-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120921 Address after: Munich, Germany Patentee after: QIMONDA AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151223 Address after: German Berg, Laura Ibiza Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: QIMONDA AG |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040818 Termination date: 20160703 |
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CF01 | Termination of patent right due to non-payment of annual fee |