ATE534997T1 - Magnetoresistiver stt-ram und entwurfsverfahren - Google Patents
Magnetoresistiver stt-ram und entwurfsverfahrenInfo
- Publication number
- ATE534997T1 ATE534997T1 AT08745261T AT08745261T ATE534997T1 AT E534997 T1 ATE534997 T1 AT E534997T1 AT 08745261 T AT08745261 T AT 08745261T AT 08745261 T AT08745261 T AT 08745261T AT E534997 T1 ATE534997 T1 AT E534997T1
- Authority
- AT
- Austria
- Prior art keywords
- stt
- voltage
- word line
- magnetoresistic
- ram
- Prior art date
Links
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
- G11C11/16—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
- 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
- G11C11/1659—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
- H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
- H10B61/22—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors of the field-effect transistor [FET] type
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/10—Magnetoresistive devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Position Input By Displaying (AREA)
- User Interface Of Digital Computer (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US91025507P | 2007-04-05 | 2007-04-05 | |
US11/972,674 US7764537B2 (en) | 2007-04-05 | 2008-01-11 | Spin transfer torque magnetoresistive random access memory and design methods |
PCT/US2008/059600 WO2008124704A1 (en) | 2007-04-05 | 2008-04-07 | Spin transfer torque magnetoresistive random access memory and design methods |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE534997T1 true ATE534997T1 (de) | 2011-12-15 |
Family
ID=39826754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT08745261T ATE534997T1 (de) | 2007-04-05 | 2008-04-07 | Magnetoresistiver stt-ram und entwurfsverfahren |
Country Status (12)
Country | Link |
---|---|
US (1) | US7764537B2 (de) |
EP (1) | EP2137734B1 (de) |
JP (1) | JP5231528B2 (de) |
KR (1) | KR101093825B1 (de) |
CN (1) | CN101657859B (de) |
AT (1) | ATE534997T1 (de) |
BR (1) | BRPI0809982A2 (de) |
CA (1) | CA2680752C (de) |
ES (1) | ES2375424T3 (de) |
MX (1) | MX2009010756A (de) |
RU (1) | RU2427045C2 (de) |
WO (1) | WO2008124704A1 (de) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7973349B2 (en) | 2005-09-20 | 2011-07-05 | Grandis Inc. | Magnetic device having multilayered free ferromagnetic layer |
US7777261B2 (en) * | 2005-09-20 | 2010-08-17 | Grandis Inc. | Magnetic device having stabilized free ferromagnetic layer |
US8018011B2 (en) | 2007-02-12 | 2011-09-13 | Avalanche Technology, Inc. | Low cost multi-state magnetic memory |
US8063459B2 (en) | 2007-02-12 | 2011-11-22 | Avalanche Technologies, Inc. | Non-volatile magnetic memory element with graded layer |
US20090218645A1 (en) * | 2007-02-12 | 2009-09-03 | Yadav Technology Inc. | multi-state spin-torque transfer magnetic random access memory |
KR101493868B1 (ko) * | 2008-07-10 | 2015-02-17 | 삼성전자주식회사 | 자기 메모리 소자의 구동 방법 |
US8295082B2 (en) * | 2008-08-15 | 2012-10-23 | Qualcomm Incorporated | Gate level reconfigurable magnetic logic |
US7881098B2 (en) | 2008-08-26 | 2011-02-01 | Seagate Technology Llc | Memory with separate read and write paths |
US7894248B2 (en) | 2008-09-12 | 2011-02-22 | Grandis Inc. | Programmable and redundant circuitry based on magnetic tunnel junction (MTJ) |
US7826255B2 (en) * | 2008-09-15 | 2010-11-02 | Seagate Technology Llc | Variable write and read methods for resistive random access memory |
US7859891B2 (en) * | 2008-09-30 | 2010-12-28 | Seagate Technology Llc | Static source plane in stram |
US7852660B2 (en) * | 2008-10-08 | 2010-12-14 | Seagate Technology Llc | Enhancing read and write sense margins in a resistive sense element |
US8169810B2 (en) | 2008-10-08 | 2012-05-01 | Seagate Technology Llc | Magnetic memory with asymmetric energy barrier |
US8089132B2 (en) * | 2008-10-09 | 2012-01-03 | Seagate Technology Llc | Magnetic memory with phonon glass electron crystal material |
US7855923B2 (en) | 2008-10-31 | 2010-12-21 | Seagate Technology Llc | Write current compensation using word line boosting circuitry |
US7876604B2 (en) * | 2008-11-05 | 2011-01-25 | Seagate Technology Llc | Stram with self-reference read scheme |
US8045366B2 (en) | 2008-11-05 | 2011-10-25 | Seagate Technology Llc | STRAM with composite free magnetic element |
US8134856B2 (en) * | 2008-11-05 | 2012-03-13 | Qualcomm Incorporated | Data protection scheme during power-up in spin transfer torque magnetoresistive random access memory |
US7826259B2 (en) | 2009-01-29 | 2010-11-02 | Seagate Technology Llc | Staggered STRAM cell |
US8027206B2 (en) | 2009-01-30 | 2011-09-27 | Qualcomm Incorporated | Bit line voltage control in spin transfer torque magnetoresistive random access memory |
JP2010212661A (ja) * | 2009-02-13 | 2010-09-24 | Fujitsu Ltd | 磁気ランダムアクセスメモリ |
US8587993B2 (en) * | 2009-03-02 | 2013-11-19 | Qualcomm Incorporated | Reducing source loading effect in spin torque transfer magnetoresisitive random access memory (STT-MRAM) |
US8238145B2 (en) * | 2009-04-08 | 2012-08-07 | Avalanche Technology, Inc. | Shared transistor in a spin-torque transfer magnetic random access memory (STTMRAM) cell |
US7957183B2 (en) * | 2009-05-04 | 2011-06-07 | Magic Technologies, Inc. | Single bit line SMT MRAM array architecture and the programming method |
KR101083302B1 (ko) * | 2009-05-13 | 2011-11-15 | 주식회사 하이닉스반도체 | 반도체 메모리 장치 |
US8107285B2 (en) | 2010-01-08 | 2012-01-31 | International Business Machines Corporation | Read direction for spin-torque based memory device |
US9196341B2 (en) | 2010-05-12 | 2015-11-24 | Qualcomm Incorporated | Memory device having a local current sink |
US9042163B2 (en) | 2010-05-12 | 2015-05-26 | Qualcomm Incorporated | Memory device having a local current sink |
US9666639B2 (en) | 2010-09-17 | 2017-05-30 | Micron Technology, Inc. | Spin torque transfer memory cell structures and methods |
US8310868B2 (en) * | 2010-09-17 | 2012-11-13 | Micron Technology, Inc. | Spin torque transfer memory cell structures and methods |
US8557610B2 (en) | 2011-02-14 | 2013-10-15 | Qualcomm Incorporated | Methods of integrated shielding into MTJ device for MRAM |
US8638596B2 (en) | 2011-07-25 | 2014-01-28 | Qualcomm Incorporated | Non-volatile memory saving cell information in a non-volatile memory array |
US9378792B2 (en) | 2011-12-15 | 2016-06-28 | Everspin Technologies, Inc. | Method of writing to a spin torque magnetic random access memory |
CN102569643B (zh) * | 2011-12-28 | 2013-12-11 | 西安交通大学 | 一种优化嵌入式stt-ram性能与硬件耗费的异构设计方法 |
US8923041B2 (en) * | 2012-04-11 | 2014-12-30 | Everspin Technologies, Inc. | Self-referenced sense amplifier for spin torque MRAM |
RU2515461C2 (ru) * | 2012-07-31 | 2014-05-10 | Федеральное государственное унитарное предприятие федеральный научно-производственный центр "Научно-исследовательский институт измерительных систем им. Ю.Е. Седакова" | ИНТЕГРИРОВАННАЯ В СБИС ТЕХНОЛОГИИ КМОП/КНИ С n+ - И p+ - ПОЛИКРЕМНИЕВЫМИ ЗАТВОРАМИ МАТРИЦА ПАМЯТИ MRAM С МАГНИТОРЕЗИСТИВНЫМИ УСТРОЙСТВАМИ С ПЕРЕДАЧЕЙ СПИНОВОГО ВРАЩЕНИЯ |
US9245610B2 (en) * | 2012-09-13 | 2016-01-26 | Qualcomm Incorporated | OTP cell with reversed MTJ connection |
US8954759B2 (en) * | 2012-09-14 | 2015-02-10 | Avalanche Technology, Inc. | Secure spin torque transfer magnetic random access memory (STTMRAM) |
US8988109B2 (en) * | 2012-11-16 | 2015-03-24 | Intel Corporation | High speed precessionally switched magnetic logic |
KR102028086B1 (ko) * | 2013-03-04 | 2019-10-04 | 삼성전자주식회사 | 메모리소자 및 이를 포함하는 장치 |
WO2014197785A1 (en) * | 2013-06-07 | 2014-12-11 | Fisher Controls International Llc | Long range rfid communications in a process control system |
JP6333832B2 (ja) * | 2013-09-20 | 2018-05-30 | 国立大学法人東北大学 | 記憶回路 |
US9142762B1 (en) | 2014-03-28 | 2015-09-22 | Qualcomm Incorporated | Magnetic tunnel junction and method for fabricating a magnetic tunnel junction |
US9595311B2 (en) | 2014-08-13 | 2017-03-14 | Kabushiki Kaisha Toshiba | Nonvolatile semiconductor memory device |
US9721634B2 (en) * | 2015-04-27 | 2017-08-01 | Qualcomm Incorporated | Decoupling of source line layout from access transistor contact placement in a magnetic tunnel junction (MTJ) memory bit cell to facilitate reduced contact resistance |
JP2017037691A (ja) | 2015-08-10 | 2017-02-16 | 株式会社東芝 | 不揮発性半導体メモリ |
CN107103358A (zh) * | 2017-03-24 | 2017-08-29 | 中国科学院计算技术研究所 | 基于自旋转移力矩磁存储器的神经网络处理方法及*** |
US10431278B2 (en) * | 2017-08-14 | 2019-10-01 | Qualcomm Incorporated | Dynamically controlling voltage for access operations to magneto-resistive random access memory (MRAM) bit cells to account for ambient temperature |
CN110675901B (zh) * | 2019-09-10 | 2021-10-01 | 北京航空航天大学 | 自旋随机存储器及方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6269018B1 (en) | 2000-04-13 | 2001-07-31 | International Business Machines Corporation | Magnetic random access memory using current through MTJ write mechanism |
US6809900B2 (en) * | 2001-01-25 | 2004-10-26 | Seagate Technology Llc | Write head with magnetization controlled by spin-polarized electron current |
US6798623B2 (en) * | 2001-02-08 | 2004-09-28 | Seagate Technology Llc | Biased CPP sensor using spin-momentum transfer |
US6744086B2 (en) * | 2001-05-15 | 2004-06-01 | Nve Corporation | Current switched magnetoresistive memory cell |
FR2829868A1 (fr) | 2001-09-20 | 2003-03-21 | Centre Nat Rech Scient | Memoire magnetique a ecriture par courant polarise en spin, mettant en oeuvre des alliages amorphes ferrimagnetiques et procede pour son ecriture |
US6819583B2 (en) * | 2003-01-15 | 2004-11-16 | Sharp Laboratories Of America, Inc. | Ferroelectric resistor non-volatile memory array |
JP4113493B2 (ja) * | 2003-06-12 | 2008-07-09 | シャープ株式会社 | 不揮発性半導体記憶装置及びその制御方法 |
JP4192060B2 (ja) * | 2003-09-12 | 2008-12-03 | シャープ株式会社 | 不揮発性半導体記憶装置 |
WO2005101378A1 (en) * | 2004-04-02 | 2005-10-27 | Tdk Corporation | Composite free layer for stabilizing magnetoresistive head |
JP2007048790A (ja) | 2005-08-05 | 2007-02-22 | Sony Corp | 記憶素子及びメモリ |
US7224601B2 (en) * | 2005-08-25 | 2007-05-29 | Grandis Inc. | Oscillating-field assisted spin torque switching of a magnetic tunnel junction memory element |
US7492622B2 (en) * | 2007-01-12 | 2009-02-17 | International Business Machines Corporation | Sequence of current pulses for depinning magnetic domain walls |
US8161430B2 (en) * | 2008-04-22 | 2012-04-17 | Qualcomm Incorporated | System and method of resistance based memory circuit parameter adjustment |
-
2008
- 2008-01-11 US US11/972,674 patent/US7764537B2/en active Active
- 2008-04-07 ES ES08745261T patent/ES2375424T3/es active Active
- 2008-04-07 CN CN2008800108343A patent/CN101657859B/zh active Active
- 2008-04-07 WO PCT/US2008/059600 patent/WO2008124704A1/en active Application Filing
- 2008-04-07 KR KR1020097023147A patent/KR101093825B1/ko active IP Right Grant
- 2008-04-07 BR BRPI0809982-0A2A patent/BRPI0809982A2/pt not_active Application Discontinuation
- 2008-04-07 JP JP2010502353A patent/JP5231528B2/ja active Active
- 2008-04-07 AT AT08745261T patent/ATE534997T1/de active
- 2008-04-07 MX MX2009010756A patent/MX2009010756A/es active IP Right Grant
- 2008-04-07 CA CA2680752A patent/CA2680752C/en active Active
- 2008-04-07 RU RU2009140773/08A patent/RU2427045C2/ru active
- 2008-04-07 EP EP08745261A patent/EP2137734B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
CN101657859A (zh) | 2010-02-24 |
EP2137734A1 (de) | 2009-12-30 |
JP2010524144A (ja) | 2010-07-15 |
KR101093825B1 (ko) | 2011-12-13 |
MX2009010756A (es) | 2009-10-29 |
KR20100004109A (ko) | 2010-01-12 |
US7764537B2 (en) | 2010-07-27 |
CA2680752A1 (en) | 2008-10-16 |
WO2008124704A1 (en) | 2008-10-16 |
RU2009140773A (ru) | 2011-05-10 |
US20080247222A1 (en) | 2008-10-09 |
BRPI0809982A2 (pt) | 2014-10-14 |
ES2375424T3 (es) | 2012-02-29 |
CN101657859B (zh) | 2013-03-27 |
EP2137734B1 (de) | 2011-11-23 |
RU2427045C2 (ru) | 2011-08-20 |
CA2680752C (en) | 2013-11-26 |
JP5231528B2 (ja) | 2013-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE534997T1 (de) | Magnetoresistiver stt-ram und entwurfsverfahren | |
ATE534996T1 (de) | Steuerung der wortzeilentransistorstärke zum lesen und schreiben in einem magnetoresistiven stt-ram | |
FR2914482B1 (fr) | Memoire magnetique a jonction tunnel magnetique | |
Chang et al. | 17.5 A 3T1R nonvolatile TCAM using MLC ReRAM with sub-1ns search time | |
WO2016144436A3 (en) | Multi-bit spin torque transfer magnetoresistive random access memory stt-mram using series magnetic tunnel junctions | |
TWI665668B (zh) | 半導體儲存裝置及記憶體系統 | |
WO2017111798A8 (en) | High retention time memory element with dual gate devices | |
WO2013154991A3 (en) | Self-referenced sense amplifier for spin torque mram | |
TW201711030A (zh) | 具有非揮發性保存性的鐵電式記憶胞 | |
MX2010006978A (es) | Dispositivo de mram con linea fuente compartida. | |
WO2010101860A3 (en) | Reducing source loading effect in spin torque transfer magnetoresitive random access memory (stt-mram) | |
TW200727295A (en) | A structure and method for a magnetic memory device with proximity writing | |
TW200802364A (en) | Nonvolatile semiconductor memory device | |
TW200638422A (en) | Magnetic random access memory device | |
GB2529773A (en) | MTJ spin hall MRAM bit-cell and array | |
JP2012138160A5 (ja) | 半導体装置 | |
WO2010118181A3 (en) | Shared transistor in a spin-torque transfer magnetic random access memory (sttmram) cell | |
TW201207854A (en) | Semiconductor device and method for driving the same | |
JP2011181168A (ja) | 回転ゲートを有するmramベースのメモリデバイス | |
JP2013008435A5 (de) | ||
JP6315484B2 (ja) | メモリセル及び記憶装置 | |
WO2008114716A1 (ja) | Sram装置 | |
JP2015008030A5 (de) | ||
JP2010267328A5 (de) | ||
JP2011222985A5 (de) |