CN1276436C - 在多个存储单元间共有存取元件的薄膜磁性体存储器 - Google Patents
在多个存储单元间共有存取元件的薄膜磁性体存储器 Download PDFInfo
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- CN1276436C CN1276436C CNB021427488A CN02142748A CN1276436C CN 1276436 C CN1276436 C CN 1276436C CN B021427488 A CNB021427488 A CN B021427488A CN 02142748 A CN02142748 A CN 02142748A CN 1276436 C CN1276436 C CN 1276436C
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- 230000015654 memory Effects 0.000 claims abstract description 264
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Images
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
- G11C11/1659—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
- G11C11/1653—Address circuits or decoders
- G11C11/1655—Bit-line or column 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
- G11C11/1653—Address circuits or decoders
- G11C11/1657—Word-line or row circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/12—Group selection circuits, e.g. for memory block selection, chip selection, array selection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP288825/2001 | 2001-09-21 | ||
JP288825/01 | 2001-09-21 | ||
JP2001288825A JP4771631B2 (ja) | 2001-09-21 | 2001-09-21 | 薄膜磁性体記憶装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1411000A CN1411000A (zh) | 2003-04-16 |
CN1276436C true CN1276436C (zh) | 2006-09-20 |
Family
ID=19111404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021427488A Expired - Fee Related CN1276436C (zh) | 2001-09-21 | 2002-09-20 | 在多个存储单元间共有存取元件的薄膜磁性体存储器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6757191B2 (zh) |
JP (1) | JP4771631B2 (zh) |
KR (1) | KR100544253B1 (zh) |
CN (1) | CN1276436C (zh) |
DE (1) | DE10236191A1 (zh) |
TW (1) | TWI277092B (zh) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7042749B2 (en) | 2002-05-16 | 2006-05-09 | Micron Technology, Inc. | Stacked 1T-nmemory cell structure |
US6940748B2 (en) * | 2002-05-16 | 2005-09-06 | Micron Technology, Inc. | Stacked 1T-nMTJ MRAM structure |
WO2003098636A2 (en) * | 2002-05-16 | 2003-11-27 | Micron Technology, Inc. | STACKED 1T-nMEMORY CELL STRUCTURE |
JP2004153181A (ja) * | 2002-10-31 | 2004-05-27 | Toshiba Corp | 磁気抵抗効果素子および磁気メモリ |
JP2004213771A (ja) * | 2002-12-27 | 2004-07-29 | Toshiba Corp | 磁気ランダムアクセスメモリ |
JP2004363527A (ja) * | 2003-04-11 | 2004-12-24 | Toshiba Corp | 磁気記憶装置、データ複写装置、データ複写システム、データ複写プログラム、及びデータ複写方法 |
JP3795875B2 (ja) * | 2003-05-22 | 2006-07-12 | 東芝マイクロエレクトロニクス株式会社 | 磁気ランダムアクセスメモリ及びそのデータ読み出し方法 |
CN1879172A (zh) * | 2003-09-23 | 2006-12-13 | 磁旋科技公司 | 具有分段的字线和位线的mram阵列 |
US7372728B2 (en) * | 2004-06-16 | 2008-05-13 | Stmicroelectronics, Inc. | Magnetic random access memory array having bit/word lines for shared write select and read operations |
US7209383B2 (en) * | 2004-06-16 | 2007-04-24 | Stmicroelectronics, Inc. | Magnetic random access memory array having bit/word lines for shared write select and read operations |
FR2871921A1 (fr) * | 2004-06-16 | 2005-12-23 | St Microelectronics Sa | Architecture de memoire a lignes d'ecriture segmentees |
US7106621B2 (en) * | 2004-06-30 | 2006-09-12 | Stmicroelectronics, Inc. | Random access memory array with parity bit structure |
US7079415B2 (en) * | 2004-06-30 | 2006-07-18 | Stmicroelectronics, Inc. | Magnetic random access memory element |
US7136298B2 (en) * | 2004-06-30 | 2006-11-14 | Stmicroelectronics, Inc. | Magnetic random access memory array with global write lines |
US7301800B2 (en) * | 2004-06-30 | 2007-11-27 | Stmicroelectronics, Inc. | Multi-bit magnetic random access memory element |
US7212432B2 (en) * | 2004-09-30 | 2007-05-01 | Infineon Technologies Ag | Resistive memory cell random access memory device and method of fabrication |
JP4591821B2 (ja) * | 2005-02-09 | 2010-12-01 | エルピーダメモリ株式会社 | 半導体装置 |
KR100663358B1 (ko) | 2005-02-24 | 2007-01-02 | 삼성전자주식회사 | 셀 다이오드들을 채택하는 상변이 기억소자들 및 그 제조방법들 |
JP4772363B2 (ja) * | 2005-04-12 | 2011-09-14 | 株式会社東芝 | 不揮発性半導体記憶装置 |
US7366046B2 (en) * | 2005-08-16 | 2008-04-29 | Novelics, Llc | DRAM density enhancements |
KR100735748B1 (ko) * | 2005-11-09 | 2007-07-06 | 삼성전자주식회사 | 가변성 저항체들을 데이터 저장요소들로 채택하는 메모리셀들을 갖는 반도체 소자들, 이를 채택하는 시스템들 및 그구동방법들 |
KR100735750B1 (ko) | 2005-12-15 | 2007-07-06 | 삼성전자주식회사 | 복수개의 균일한 기준 데이터들을 생성하는 기준 셀 블록및 감지증폭 유니트들을 구비하는 반도체 소자들 및 이를채택하는 시스템들 |
US7345912B2 (en) * | 2006-06-01 | 2008-03-18 | Grandis, Inc. | Method and system for providing a magnetic memory structure utilizing spin transfer |
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 |
US7397689B2 (en) * | 2006-08-09 | 2008-07-08 | Micron Technology, Inc. | Resistive memory device |
KR100809725B1 (ko) | 2007-03-27 | 2008-03-07 | 삼성전자주식회사 | 스트랩핑 콘택 피치가 개선된 반도체 메모리소자 |
JP5076182B2 (ja) * | 2007-12-06 | 2012-11-21 | ルネサスエレクトロニクス株式会社 | 不揮発性半導体記憶装置 |
JP5150936B2 (ja) * | 2007-12-28 | 2013-02-27 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
KR101109555B1 (ko) * | 2010-06-16 | 2012-01-31 | 이화여자대학교 산학협력단 | 불휘발성 메모리 장치 및 그것의 읽기 방법 |
KR102124209B1 (ko) | 2014-04-14 | 2020-06-18 | 삼성전자주식회사 | 반도체 메모리 장치 |
US9159410B1 (en) | 2014-06-04 | 2015-10-13 | International Business Machines Corporation | Accessing a resistive memory storage device |
US9659642B1 (en) * | 2015-12-30 | 2017-05-23 | Crossbar, Inc. | State change detection for two-terminal memory during application of a state-changing stimulus |
US10199093B1 (en) | 2015-12-30 | 2019-02-05 | Crossbar, Inc. | State change detection for two-terminal memory utilizing current mirroring circuitry |
US9886991B1 (en) * | 2016-09-30 | 2018-02-06 | Micron Technology, Inc. | Techniques for sensing logic values stored in memory cells using sense amplifiers that are selectively isolated from digit lines |
US11069743B1 (en) * | 2020-06-09 | 2021-07-20 | Globalfoundries Singapore Pte. Ltd. | Non-volatile memory elements with a multi-level cell configuration |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02247898A (ja) * | 1989-03-22 | 1990-10-03 | Hisao Funahara | 記憶読み取り装置 |
JP3805390B2 (ja) * | 1994-09-05 | 2006-08-02 | オリンパス株式会社 | 実像式変倍ファインダー光学系 |
US5640343A (en) * | 1996-03-18 | 1997-06-17 | International Business Machines Corporation | Magnetic memory array using magnetic tunnel junction devices in the memory cells |
US5699293A (en) * | 1996-10-09 | 1997-12-16 | Motorola | Method of operating a random access memory device having a plurality of pairs of memory cells as the memory device |
JPH1173791A (ja) * | 1997-08-28 | 1999-03-16 | Sharp Corp | 不揮発性半導体記憶装置 |
JP3427974B2 (ja) * | 1999-04-30 | 2003-07-22 | 日本電気株式会社 | 磁気ランダムアクセスメモリ回路 |
US6191972B1 (en) * | 1999-04-30 | 2001-02-20 | Nec Corporation | Magnetic random access memory circuit |
JP3868699B2 (ja) * | 2000-03-17 | 2007-01-17 | 株式会社東芝 | 磁気メモリ装置 |
US6236611B1 (en) * | 1999-12-20 | 2001-05-22 | Motorola, Inc. | Peak program current reduction apparatus and method |
JP2001217398A (ja) * | 2000-02-03 | 2001-08-10 | Rohm Co Ltd | 強磁性トンネル接合素子を用いた記憶装置 |
JP4477199B2 (ja) * | 2000-06-16 | 2010-06-09 | 株式会社ルネサステクノロジ | 磁気ランダムアクセスメモリ、磁気ランダムアクセスメモリへのアクセス方法および磁気ランダムアクセスメモリの製造方法 |
DE10041378C1 (de) * | 2000-08-23 | 2002-05-16 | Infineon Technologies Ag | MRAM-Anordnung |
JP3737403B2 (ja) * | 2000-09-19 | 2006-01-18 | Necエレクトロニクス株式会社 | メモリセルアレイ、不揮発性記憶ユニットおよび不揮発性半導体記憶装置 |
-
2001
- 2001-09-21 JP JP2001288825A patent/JP4771631B2/ja not_active Expired - Fee Related
-
2002
- 2002-08-07 DE DE10236191A patent/DE10236191A1/de not_active Ceased
- 2002-08-19 US US10/222,793 patent/US6757191B2/en not_active Expired - Fee Related
- 2002-09-17 TW TW091121244A patent/TWI277092B/zh not_active IP Right Cessation
- 2002-09-19 KR KR1020020057263A patent/KR100544253B1/ko not_active IP Right Cessation
- 2002-09-20 CN CNB021427488A patent/CN1276436C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1411000A (zh) | 2003-04-16 |
JP2003100071A (ja) | 2003-04-04 |
TWI277092B (en) | 2007-03-21 |
JP4771631B2 (ja) | 2011-09-14 |
US6757191B2 (en) | 2004-06-29 |
KR100544253B1 (ko) | 2006-01-23 |
US20030058686A1 (en) | 2003-03-27 |
KR20030025881A (ko) | 2003-03-29 |
DE10236191A1 (de) | 2003-04-24 |
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Owner name: RENESAS ELECTRONICS CORPORATION Free format text: FORMER OWNER: MISSUBISHI ELECTRIC CORP. Effective date: 20140416 |
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