JP4700259B2 - 共通の導線を共有する一対の磁気ビットを有するメモリ素子アレイ - Google Patents
共通の導線を共有する一対の磁気ビットを有するメモリ素子アレイ Download PDFInfo
- Publication number
- JP4700259B2 JP4700259B2 JP2003069239A JP2003069239A JP4700259B2 JP 4700259 B2 JP4700259 B2 JP 4700259B2 JP 2003069239 A JP2003069239 A JP 2003069239A JP 2003069239 A JP2003069239 A JP 2003069239A JP 4700259 B2 JP4700259 B2 JP 4700259B2
- Authority
- JP
- Japan
- Prior art keywords
- memory cell
- array
- array plane
- word line
- memory
- 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
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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
-
- 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
- G11C11/16—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
- G11C11/1673—Reading or sensing circuits or methods
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/098,903 US6778421B2 (en) | 2002-03-14 | 2002-03-14 | Memory device array having a pair of magnetic bits sharing a common conductor line |
| US10/098903 | 2002-03-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004031914A JP2004031914A (ja) | 2004-01-29 |
| JP2004031914A5 JP2004031914A5 (enExample) | 2006-05-11 |
| JP4700259B2 true JP4700259B2 (ja) | 2011-06-15 |
Family
ID=27765436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003069239A Expired - Fee Related JP4700259B2 (ja) | 2002-03-14 | 2003-03-14 | 共通の導線を共有する一対の磁気ビットを有するメモリ素子アレイ |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US6778421B2 (enExample) |
| EP (1) | EP1345232A3 (enExample) |
| JP (1) | JP4700259B2 (enExample) |
| KR (1) | KR101010321B1 (enExample) |
| CN (1) | CN100481551C (enExample) |
| TW (1) | TW200304142A (enExample) |
Families Citing this family (105)
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| JP2002025245A (ja) * | 2000-06-30 | 2002-01-25 | Nec Corp | 不揮発性半導体記憶装置及び情報記録方法 |
| DE10053965A1 (de) * | 2000-10-31 | 2002-06-20 | Infineon Technologies Ag | Verfahren zur Verhinderung unerwünschter Programmierungen in einer MRAM-Anordnung |
| US6612534B2 (en) * | 2001-05-22 | 2003-09-02 | James R. Hennessey | Stand assembly having anti-rotation feature |
| US6693821B2 (en) * | 2001-06-28 | 2004-02-17 | Sharp Laboratories Of America, Inc. | Low cross-talk electrically programmable resistance cross point memory |
| US6473337B1 (en) * | 2001-10-24 | 2002-10-29 | Hewlett-Packard Company | Memory device having memory cells with magnetic tunnel junction and tunnel junction in series |
| US6577529B1 (en) * | 2002-09-03 | 2003-06-10 | Hewlett-Packard Development Company, L.P. | Multi-bit magnetic memory device |
-
2002
- 2002-03-14 US US10/098,903 patent/US6778421B2/en not_active Expired - Lifetime
- 2002-11-25 TW TW091134207A patent/TW200304142A/zh unknown
-
2003
- 2003-03-06 EP EP03251342A patent/EP1345232A3/en not_active Withdrawn
- 2003-03-13 KR KR1020030015743A patent/KR101010321B1/ko not_active Expired - Fee Related
- 2003-03-14 JP JP2003069239A patent/JP4700259B2/ja not_active Expired - Fee Related
- 2003-03-14 CN CNB031199720A patent/CN100481551C/zh not_active Expired - Lifetime
- 2003-10-24 US US10/692,617 patent/US6879508B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US6778421B2 (en) | 2004-08-17 |
| TW200304142A (en) | 2003-09-16 |
| US20030174530A1 (en) | 2003-09-18 |
| CN100481551C (zh) | 2009-04-22 |
| EP1345232A2 (en) | 2003-09-17 |
| EP1345232A3 (en) | 2004-07-28 |
| CN1445782A (zh) | 2003-10-01 |
| US6879508B2 (en) | 2005-04-12 |
| KR20030074423A (ko) | 2003-09-19 |
| US20040090809A1 (en) | 2004-05-13 |
| KR101010321B1 (ko) | 2011-01-25 |
| JP2004031914A (ja) | 2004-01-29 |
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