JP4359561B2 - トグルメモリに書き込む回路および方法 - Google Patents
トグルメモリに書き込む回路および方法 Download PDFInfo
- Publication number
- JP4359561B2 JP4359561B2 JP2004517527A JP2004517527A JP4359561B2 JP 4359561 B2 JP4359561 B2 JP 4359561B2 JP 2004517527 A JP2004517527 A JP 2004517527A JP 2004517527 A JP2004517527 A JP 2004517527A JP 4359561 B2 JP4359561 B2 JP 4359561B2
- Authority
- JP
- Japan
- Prior art keywords
- write
- toggle
- memory
- writing
- bit
- 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
Links
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
- G11C11/1675—Writing or programming circuits or methods
-
- 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
-
- 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
- G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
- G11C2207/22—Control and timing of internal memory operations
- G11C2207/2263—Write conditionally, e.g. only if new data and old data differ
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
- Hall/Mr Elements (AREA)
- Digital Magnetic Recording (AREA)
- Read Only Memory (AREA)
- Dram (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/186,141 US6693824B2 (en) | 2002-06-28 | 2002-06-28 | Circuit and method of writing a toggle memory |
| PCT/US2003/013179 WO2004003922A1 (en) | 2002-06-28 | 2003-04-29 | Circuit and method of writing a toggle memory |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005531876A JP2005531876A (ja) | 2005-10-20 |
| JP2005531876A5 JP2005531876A5 (enExample) | 2006-06-22 |
| JP4359561B2 true JP4359561B2 (ja) | 2009-11-04 |
Family
ID=29779824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004517527A Expired - Fee Related JP4359561B2 (ja) | 2002-06-28 | 2003-04-29 | トグルメモリに書き込む回路および方法 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6693824B2 (enExample) |
| EP (1) | EP1518246B1 (enExample) |
| JP (1) | JP4359561B2 (enExample) |
| KR (1) | KR100943112B1 (enExample) |
| CN (1) | CN100470665C (enExample) |
| AT (1) | ATE333138T1 (enExample) |
| AU (1) | AU2003231170A1 (enExample) |
| DE (1) | DE60306782T2 (enExample) |
| TW (1) | TWI307887B (enExample) |
| WO (1) | WO2004003922A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6842365B1 (en) * | 2003-09-05 | 2005-01-11 | Freescale Semiconductor, Inc. | Write driver for a magnetoresistive memory |
| US7286378B2 (en) * | 2003-11-04 | 2007-10-23 | Micron Technology, Inc. | Serial transistor-cell array architecture |
| US7613868B2 (en) * | 2004-06-09 | 2009-11-03 | Headway Technologies, Inc. | Method and system for optimizing the number of word line segments in a segmented MRAM array |
| JP2006031795A (ja) * | 2004-07-14 | 2006-02-02 | Renesas Technology Corp | 不揮発性半導体記憶装置 |
| JP2006065986A (ja) * | 2004-08-27 | 2006-03-09 | Fujitsu Ltd | 磁気抵抗メモリおよび磁気抵抗メモリ書き込み方法 |
| JP4012196B2 (ja) * | 2004-12-22 | 2007-11-21 | 株式会社東芝 | 磁気ランダムアクセスメモリのデータ書き込み方法 |
| US7543211B2 (en) * | 2005-01-31 | 2009-06-02 | Everspin Technologies, Inc. | Toggle memory burst |
| JP4911027B2 (ja) * | 2005-02-09 | 2012-04-04 | 日本電気株式会社 | トグル型磁気ランダムアクセスメモリ及びトグル型磁気ランダムアクセスメモリの書き込み方法 |
| JP5035620B2 (ja) * | 2005-09-14 | 2012-09-26 | 日本電気株式会社 | 磁気ランダムアクセスメモリの波形整形回路 |
| WO2007053517A2 (en) * | 2005-10-28 | 2007-05-10 | The University Of Alabama | Enhanced toggle-mram memory device |
| US7577017B2 (en) * | 2006-01-20 | 2009-08-18 | Industrial Technology Research Institute | High-bandwidth magnetoresistive random access memory devices and methods of operation thereof |
| US7746686B2 (en) * | 2006-04-21 | 2010-06-29 | Honeywell International Inc. | Partitioned random access and read only memory |
| US8111544B2 (en) * | 2009-02-23 | 2012-02-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Programming MRAM cells using probability write |
| US9613675B2 (en) | 2013-12-14 | 2017-04-04 | Qualcomm Incorporated | System and method to perform low power memory operations |
| RU2673977C2 (ru) * | 2014-08-29 | 2018-12-03 | Сименс Акциенгезелльшафт | Проточная часть компрессора с регулируемым сужением, предназначенная для газотурбинного двигателя |
| CN204878059U (zh) | 2014-12-17 | 2015-12-16 | 依必安-派特穆尔芬根股份有限两合公司 | 一种叶片及风机叶轮 |
| KR101976045B1 (ko) * | 2016-08-30 | 2019-05-09 | 에스케이하이닉스 주식회사 | 쓰기 동작시 상태 전환 인식이 가능한 자기 저항 메모리 장치 및 이에 있어서 읽기 및 쓰기 동작 방법 |
| JP6625278B1 (ja) * | 2018-11-22 | 2019-12-25 | 三菱電機株式会社 | 入出力制御ユニット、plc及びデータ制御方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4763305A (en) | 1985-11-27 | 1988-08-09 | Motorola, Inc. | Intelligent write in an EEPROM with data and erase check |
| US6256224B1 (en) * | 2000-05-03 | 2001-07-03 | Hewlett-Packard Co | Write circuit for large MRAM arrays |
| US5946227A (en) | 1998-07-20 | 1999-08-31 | Motorola, Inc. | Magnetoresistive random access memory with shared word and digit lines |
| US5953248A (en) | 1998-07-20 | 1999-09-14 | Motorola, Inc. | Low switching field magnetic tunneling junction for high density arrays |
| US6111781A (en) | 1998-08-03 | 2000-08-29 | Motorola, Inc. | Magnetic random access memory array divided into a plurality of memory banks |
| DE19853447A1 (de) * | 1998-11-19 | 2000-05-25 | Siemens Ag | Magnetischer Speicher |
| WO2000042614A1 (de) * | 1999-01-13 | 2000-07-20 | Infineon Technologies Ag | Schreib-/lesearchitektur für mram |
| US6185143B1 (en) | 2000-02-04 | 2001-02-06 | Hewlett-Packard Company | Magnetic random access memory (MRAM) device including differential sense amplifiers |
| US6191989B1 (en) | 2000-03-07 | 2001-02-20 | International Business Machines Corporation | Current sensing amplifier |
| US6272041B1 (en) | 2000-08-28 | 2001-08-07 | Motorola, Inc. | MTJ MRAM parallel-parallel architecture |
| JP4149647B2 (ja) * | 2000-09-28 | 2008-09-10 | 株式会社東芝 | 半導体記憶装置及びその製造方法 |
| US6335890B1 (en) | 2000-11-01 | 2002-01-01 | International Business Machines Corporation | Segmented write line architecture for writing magnetic random access memories |
| US6418046B1 (en) * | 2001-01-30 | 2002-07-09 | Motorola, Inc. | MRAM architecture and system |
| DE10107380C1 (de) * | 2001-02-16 | 2002-07-25 | Infineon Technologies Ag | Verfahren zum Beschreiben magnetoresistiver Speicherzellen und mit diesem Verfahren beschreibbarer magnetoresistiver Speicher |
-
2002
- 2002-06-28 US US10/186,141 patent/US6693824B2/en not_active Expired - Fee Related
-
2003
- 2003-04-29 WO PCT/US2003/013179 patent/WO2004003922A1/en not_active Ceased
- 2003-04-29 CN CNB038152959A patent/CN100470665C/zh not_active Expired - Fee Related
- 2003-04-29 EP EP03724302A patent/EP1518246B1/en not_active Expired - Lifetime
- 2003-04-29 DE DE60306782T patent/DE60306782T2/de not_active Expired - Lifetime
- 2003-04-29 AT AT03724302T patent/ATE333138T1/de not_active IP Right Cessation
- 2003-04-29 AU AU2003231170A patent/AU2003231170A1/en not_active Abandoned
- 2003-04-29 KR KR1020047021252A patent/KR100943112B1/ko not_active Expired - Lifetime
- 2003-04-29 JP JP2004517527A patent/JP4359561B2/ja not_active Expired - Fee Related
- 2003-06-26 TW TW092117443A patent/TWI307887B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US20040001352A1 (en) | 2004-01-01 |
| KR20050009762A (ko) | 2005-01-25 |
| CN1666292A (zh) | 2005-09-07 |
| WO2004003922A1 (en) | 2004-01-08 |
| EP1518246B1 (en) | 2006-07-12 |
| JP2005531876A (ja) | 2005-10-20 |
| EP1518246A1 (en) | 2005-03-30 |
| ATE333138T1 (de) | 2006-08-15 |
| CN100470665C (zh) | 2009-03-18 |
| AU2003231170A1 (en) | 2004-01-19 |
| TW200409118A (en) | 2004-06-01 |
| KR100943112B1 (ko) | 2010-02-18 |
| DE60306782D1 (de) | 2006-08-24 |
| US6693824B2 (en) | 2004-02-17 |
| DE60306782T2 (de) | 2006-11-30 |
| TWI307887B (en) | 2009-03-21 |
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| JP4359561B2 (ja) | トグルメモリに書き込む回路および方法 | |
| JP4292239B2 (ja) | スケーラブルな磁気抵抗ランダム・アクセス記憶素子に書き込むための方法 | |
| US7154772B2 (en) | MRAM architecture with electrically isolated read and write circuitry | |
| US6657889B1 (en) | Memory having write current ramp rate control | |
| JP2003151260A (ja) | 薄膜磁性体記憶装置 | |
| US6711052B2 (en) | Memory having a precharge circuit and method therefor | |
| WO2004012197A2 (en) | Magnetoresistive random access memory with soft magnetic reference layer | |
| US6714442B1 (en) | MRAM architecture with a grounded write bit line and electrically isolated read bit line | |
| US6760266B2 (en) | Sense amplifier and method for performing a read operation in a MRAM | |
| US6714440B2 (en) | Memory architecture with write circuitry and method therefor | |
| US6744663B2 (en) | Circuit and method for reading a toggle memory cell | |
| JP2002314048A (ja) | 強磁性体不揮発性メモリおよびそのリフレッシュ方法 |
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