CN103858169A - 具有单个磁隧道结叠层的多位自旋动量转移磁阻随机存取存储器 - Google Patents
具有单个磁隧道结叠层的多位自旋动量转移磁阻随机存取存储器 Download PDFInfo
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- CN103858169A CN103858169A CN201280049570.9A CN201280049570A CN103858169A CN 103858169 A CN103858169 A CN 103858169A CN 201280049570 A CN201280049570 A CN 201280049570A CN 103858169 A CN103858169 A CN 103858169A
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- 238000012546 transfer Methods 0.000 title description 2
- 230000005291 magnetic effect Effects 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 7
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- 230000005415 magnetization Effects 0.000 description 5
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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
- G11C11/16—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
-
- 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
- G11C11/161—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 details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
-
- 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
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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
- G11C11/16—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
-
- 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
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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
- G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
- G11C11/5607—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using magnetic storage elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2213/00—Indexing scheme relating to G11C13/00 for features not covered by this group
- G11C2213/70—Resistive array aspects
- G11C2213/78—Array wherein the memory cells of a group share an access device, all the memory cells of the group having a common electrode and the access device being not part of a word line or a bit line driver
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- 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
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (25)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/271,796 | 2011-10-12 | ||
US13/271,796 US8767446B2 (en) | 2011-10-12 | 2011-10-12 | Multi-bit spin-momentum-transfer magnetoresistence random access memory with single magnetic-tunnel-junction stack |
PCT/US2012/054362 WO2013055473A1 (en) | 2011-10-12 | 2012-09-10 | Multi-bit spin-momentum-transfer magnetoresistence random access memory with single magnetic-tunnel-junction stack |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103858169A true CN103858169A (zh) | 2014-06-11 |
CN103858169B CN103858169B (zh) | 2016-08-17 |
Family
ID=48082275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280049570.9A Active CN103858169B (zh) | 2011-10-12 | 2012-09-10 | 具有单个磁隧道结叠层的多位自旋动量转移磁阻随机存取存储器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8767446B2 (zh) |
CN (1) | CN103858169B (zh) |
DE (1) | DE112012004304B4 (zh) |
GB (1) | GB2509461A (zh) |
WO (1) | WO2013055473A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107430883A (zh) * | 2015-03-11 | 2017-12-01 | 高通股份有限公司 | 使用串联磁性隧道结的多位自旋转移矩磁阻随机存取存储器stt‑mram |
CN110277115A (zh) * | 2019-06-24 | 2019-09-24 | 中国科学院微电子研究所 | 基于磁隧道结的存储器及其读写方法、制作方法 |
CN111383691A (zh) * | 2018-12-28 | 2020-07-07 | 上海磁宇信息科技有限公司 | 一种具有写状态检测单元的mram存储器件 |
CN111462794A (zh) * | 2019-01-22 | 2020-07-28 | 上海磁宇信息科技有限公司 | 一种mram存储器件及写状态检测方法 |
WO2022101790A1 (en) * | 2020-11-12 | 2022-05-19 | International Business Machines Corpofiation | Two-bit magnetoresistive random-access memory cell |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017052622A1 (en) * | 2015-09-25 | 2017-03-30 | Intel Corporation | Spin hall effect mram with thin-film selector |
JP2018148159A (ja) * | 2017-03-09 | 2018-09-20 | ソニーセミコンダクタソリューションズ株式会社 | 磁気メモリ、磁気メモリの記録方法及び磁気メモリの読み出し方法 |
US10622048B2 (en) * | 2018-02-28 | 2020-04-14 | Tdk Corporation | Method for stabilizing spin element and method for manufacturing spin element |
US10950661B2 (en) * | 2019-04-05 | 2021-03-16 | Globalfoundries Singapore Pte. Ltd. | Integrated circuits with resistive non-volatile memory cells and methods for producing the same |
TWI775138B (zh) * | 2020-09-03 | 2022-08-21 | 力晶積成電子製造股份有限公司 | 複合型記憶體結構 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW578149B (en) * | 2002-09-09 | 2004-03-01 | Ind Tech Res Inst | High density magnetic random access memory |
US20040052105A1 (en) * | 2002-09-17 | 2004-03-18 | Micron Technology, Inc. | Bridge-type magnetic random access memory (mram) latch |
US20060256610A1 (en) * | 2005-05-16 | 2006-11-16 | Freescale Semiconductor, Inc. | Nonvolatile memory system using magneto-resistive random access memory (MRAM) |
CN101232073A (zh) * | 2007-01-26 | 2008-07-30 | 株式会社东芝 | 磁电阻元件和磁性存储器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6721203B1 (en) | 2001-02-23 | 2004-04-13 | Western Digital (Fremont), Inc. | Designs of reference cells for magnetic tunnel junction (MTJ) MRAM |
US6985385B2 (en) | 2003-08-26 | 2006-01-10 | Grandis, Inc. | Magnetic memory element utilizing spin transfer switching and storing multiple bits |
US7541804B2 (en) | 2005-07-29 | 2009-06-02 | Everspin Technologies, Inc. | Magnetic tunnel junction sensor |
JP5165898B2 (ja) | 2007-01-17 | 2013-03-21 | 株式会社東芝 | 磁気ランダムアクセスメモリ及びその書き込み方法 |
US8427863B2 (en) | 2007-02-12 | 2013-04-23 | Avalanche Technology, Inc. | Low current switching magnetic tunnel junction design for magnetic memory using domain wall motion |
JP2009259316A (ja) | 2008-04-14 | 2009-11-05 | Toshiba Corp | 半導体記憶装置 |
JP4772845B2 (ja) | 2008-09-29 | 2011-09-14 | 株式会社東芝 | 磁気ランダムアクセスメモリ及びその製造方法 |
US7800941B2 (en) | 2008-11-18 | 2010-09-21 | Seagate Technology Llc | Magnetic memory with magnetic tunnel junction cell sets |
US8238145B2 (en) | 2009-04-08 | 2012-08-07 | Avalanche Technology, Inc. | Shared transistor in a spin-torque transfer magnetic random access memory (STTMRAM) cell |
-
2011
- 2011-10-12 US US13/271,796 patent/US8767446B2/en active Active
-
2012
- 2012-09-10 WO PCT/US2012/054362 patent/WO2013055473A1/en active Application Filing
- 2012-09-10 CN CN201280049570.9A patent/CN103858169B/zh active Active
- 2012-09-10 GB GB1407117.9A patent/GB2509461A/en not_active Withdrawn
- 2012-09-10 DE DE112012004304.9T patent/DE112012004304B4/de active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW578149B (en) * | 2002-09-09 | 2004-03-01 | Ind Tech Res Inst | High density magnetic random access memory |
US20040052105A1 (en) * | 2002-09-17 | 2004-03-18 | Micron Technology, Inc. | Bridge-type magnetic random access memory (mram) latch |
US20060256610A1 (en) * | 2005-05-16 | 2006-11-16 | Freescale Semiconductor, Inc. | Nonvolatile memory system using magneto-resistive random access memory (MRAM) |
CN101232073A (zh) * | 2007-01-26 | 2008-07-30 | 株式会社东芝 | 磁电阻元件和磁性存储器 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107430883A (zh) * | 2015-03-11 | 2017-12-01 | 高通股份有限公司 | 使用串联磁性隧道结的多位自旋转移矩磁阻随机存取存储器stt‑mram |
CN107430883B (zh) * | 2015-03-11 | 2021-03-12 | 高通股份有限公司 | 使用串联磁性隧道结的多位自旋转移矩磁阻随机存取存储器stt-mram |
CN111383691A (zh) * | 2018-12-28 | 2020-07-07 | 上海磁宇信息科技有限公司 | 一种具有写状态检测单元的mram存储器件 |
CN111462794A (zh) * | 2019-01-22 | 2020-07-28 | 上海磁宇信息科技有限公司 | 一种mram存储器件及写状态检测方法 |
CN111462794B (zh) * | 2019-01-22 | 2022-09-16 | 上海磁宇信息科技有限公司 | 一种mram存储器件及写状态检测方法 |
CN110277115A (zh) * | 2019-06-24 | 2019-09-24 | 中国科学院微电子研究所 | 基于磁隧道结的存储器及其读写方法、制作方法 |
WO2022101790A1 (en) * | 2020-11-12 | 2022-05-19 | International Business Machines Corpofiation | Two-bit magnetoresistive random-access memory cell |
US11514962B2 (en) | 2020-11-12 | 2022-11-29 | International Business Machines Corporation | Two-bit magnetoresistive random-access memory cell |
GB2616375A (en) * | 2020-11-12 | 2023-09-06 | Ibm | Two-bit magnetoresistive random-access memory cell |
Also Published As
Publication number | Publication date |
---|---|
GB2509461A (en) | 2014-07-02 |
US8767446B2 (en) | 2014-07-01 |
GB201407117D0 (en) | 2014-06-04 |
DE112012004304T5 (de) | 2014-07-31 |
DE112012004304B4 (de) | 2018-08-02 |
US20130094282A1 (en) | 2013-04-18 |
CN103858169B (zh) | 2016-08-17 |
WO2013055473A1 (en) | 2013-04-18 |
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Effective date of registration: 20171109 Address after: Grand Cayman, Cayman Islands Patentee after: GLOBALFOUNDRIES INC. Address before: American New York Patentee before: Core USA second LLC Effective date of registration: 20171109 Address after: American New York Patentee after: Core USA second LLC Address before: American New York Patentee before: International Business Machines Corp. |
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