WO2009031231A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- WO2009031231A1 WO2009031231A1 PCT/JP2007/067472 JP2007067472W WO2009031231A1 WO 2009031231 A1 WO2009031231 A1 WO 2009031231A1 JP 2007067472 W JP2007067472 W JP 2007067472W WO 2009031231 A1 WO2009031231 A1 WO 2009031231A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnetoresistive element
- coupled
- layer side
- free layer
- pinned layer
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down
- G11C14/0054—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down in which the volatile element is a SRAM cell
- G11C14/0081—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down in which the volatile element is a SRAM cell and the nonvolatile element is a magnetic RAM [MRAM] element or ferromagnetic 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
- G11C11/161—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
-
- 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
-
- 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
- G11C11/1677—Verifying circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1051—Data output circuits, e.g. read-out amplifiers, data output buffers, data output registers, data output level conversion circuits
- G11C7/106—Data output latches
Abstract
記憶データの信頼性を向上させる。 第1磁気抵抗素子(203)及び第2磁気抵抗素子(204)を設ける。上記第1磁気抵抗素子及び上記第2磁気抵抗素子は、スピンの向きを変更可能なフリー層と、スピンの向きが固定されたピン層とを含む。上記第1磁気抵抗素子は、フリー層側が第1トランジスタ(205)に結合され、ピン層側が第1電源端子(207)に結合される。上記第2磁気抵抗素子は、フリー層側が第2トランジスタ(206)に結合され、ピン層側が第1電源端子(207)に結合される。磁気抵抗メモリセルにおける不所望な抵抗状態変化を阻止することによって記憶データの信頼性を向上させる。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/067472 WO2009031231A1 (ja) | 2007-09-07 | 2007-09-07 | 半導体装置 |
PCT/JP2008/066164 WO2009031677A1 (ja) | 2007-09-07 | 2008-09-08 | 半導体装置 |
US12/676,387 US20100188891A1 (en) | 2007-09-07 | 2008-09-08 | Semiconductor device |
JP2009531302A JPWO2009031677A1 (ja) | 2007-09-07 | 2008-09-08 | 半導体装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/067472 WO2009031231A1 (ja) | 2007-09-07 | 2007-09-07 | 半導体装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009031231A1 true WO2009031231A1 (ja) | 2009-03-12 |
Family
ID=40428554
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/067472 WO2009031231A1 (ja) | 2007-09-07 | 2007-09-07 | 半導体装置 |
PCT/JP2008/066164 WO2009031677A1 (ja) | 2007-09-07 | 2008-09-08 | 半導体装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/066164 WO2009031677A1 (ja) | 2007-09-07 | 2008-09-08 | 半導体装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100188891A1 (ja) |
JP (1) | JPWO2009031677A1 (ja) |
WO (2) | WO2009031231A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010279035A (ja) * | 2009-05-26 | 2010-12-09 | Crocus Technology Sa | 磁気トンネル接合を使用する不揮発性論理装置 |
WO2014104131A1 (ja) * | 2012-12-28 | 2014-07-03 | 国立大学法人東北大学 | 記憶装置、メモリセル及びデータ書き込み方法 |
JP2015018592A (ja) * | 2013-07-12 | 2015-01-29 | 凸版印刷株式会社 | 不揮発性メモリセルおよび不揮発性メモリ |
WO2015041305A1 (ja) * | 2013-09-20 | 2015-03-26 | 国立大学法人東北大学 | メモリセル及び記憶装置 |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8421164B2 (en) * | 2010-01-05 | 2013-04-16 | Micron Technology, Inc. | Memory cell array with semiconductor selection device for multiple memory cells |
JP5502635B2 (ja) * | 2010-03-08 | 2014-05-28 | 株式会社東芝 | 半導体記憶装置 |
FR2970592B1 (fr) | 2011-01-19 | 2013-02-15 | Centre Nat Rech Scient | Cellule mémoire volatile/non volatile programmable |
FR2970589B1 (fr) * | 2011-01-19 | 2013-02-15 | Centre Nat Rech Scient | Cellule mémoire volatile/non volatile |
FR2970593B1 (fr) * | 2011-01-19 | 2013-08-02 | Centre Nat Rech Scient | Cellule mémoire volatile/non volatile compacte |
FR2976711B1 (fr) * | 2011-06-15 | 2014-01-31 | Centre Nat Rech Scient | Cellule memoire avec memorisation volatile et non volatile |
JP5597169B2 (ja) * | 2011-07-28 | 2014-10-01 | 株式会社東芝 | 半導体集積回路、プロセッサ |
JP5733575B2 (ja) * | 2011-09-12 | 2015-06-10 | 国立大学法人東北大学 | 半導体記憶装置 |
JP2013125513A (ja) * | 2011-12-16 | 2013-06-24 | Samsung Electronics Co Ltd | 不揮発性半導体記憶装置及びその管理方法 |
JP5480321B2 (ja) * | 2012-03-21 | 2014-04-23 | 株式会社東芝 | 磁気メモリ及びその製造方法 |
FR2990089B1 (fr) * | 2012-04-27 | 2014-04-11 | Commissariat Energie Atomique | Dispositif logique reprogrammable resistant aux rayonnements. |
JP5814867B2 (ja) * | 2012-06-27 | 2015-11-17 | 株式会社東芝 | 半導体記憶装置 |
WO2014022304A1 (en) * | 2012-07-30 | 2014-02-06 | The Regents Of The University Of California | Multiple-bits-per-cell voltage-controlled magnetic memory |
FR3004577A1 (ja) | 2013-04-15 | 2014-10-17 | Commissariat Energie Atomique | |
FR3004576B1 (fr) | 2013-04-15 | 2019-11-29 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Cellule memoire avec memorisation de donnees non volatile |
FR3008219B1 (fr) * | 2013-07-05 | 2016-12-09 | Commissariat Energie Atomique | Dispositif a memoire non volatile |
US9691471B2 (en) * | 2014-09-15 | 2017-06-27 | Taiwan Semiconductor Manufacturing Company, Ltd. | SRAM cells with vertical gate-all-round MOSFETs |
KR20170051039A (ko) * | 2015-11-02 | 2017-05-11 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그 구동 방법 |
JP7007173B2 (ja) * | 2016-12-16 | 2022-01-24 | ソニーセミコンダクタソリューションズ株式会社 | 半導体装置 |
CN110544499B (zh) * | 2018-05-28 | 2021-07-13 | 联华电子股份有限公司 | 静态随机存取存储器结构 |
US11152067B2 (en) * | 2018-08-30 | 2021-10-19 | Sandisk Technologies Llc | Content addressable memory with spin-orbit torque devices |
JP2020187811A (ja) * | 2019-05-15 | 2020-11-19 | キオクシア株式会社 | 半導体記憶装置 |
US11107530B2 (en) | 2019-12-31 | 2021-08-31 | Taiwan Semiconductor Manufacturing Company Limited | Non-volatile static random access memory (nvSRAM) with multiple magnetic tunnel junction cells |
TWI770950B (zh) | 2020-04-28 | 2022-07-11 | 台灣積體電路製造股份有限公司 | 記憶體單元、記憶體系統與記憶體單元的操作方法 |
US11404424B2 (en) * | 2020-04-28 | 2022-08-02 | Taiwan Semiconductor Manufacturing Company Limited | Static random access memory with magnetic tunnel junction cells |
US20230106517A1 (en) * | 2021-10-04 | 2023-04-06 | Invention And Collaboration Laboratory Pte. Ltd. | Sram cell structure |
TWI805219B (zh) * | 2022-02-10 | 2023-06-11 | 力晶積成電子製造股份有限公司 | 非揮發性靜態隨機存取記憶體 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002216468A (ja) * | 2000-11-08 | 2002-08-02 | Canon Inc | 半導体記憶装置 |
WO2003105156A1 (ja) * | 2002-06-05 | 2003-12-18 | 松下電器産業株式会社 | 不揮発性メモリ回路及びその駆動方法並びにそのメモリ回路を用いた半導体装置 |
JP2007052879A (ja) * | 2005-08-19 | 2007-03-01 | Sony Corp | 不揮発性メモリセルおよび記憶装置と不揮発性論理回路 |
JP2007134027A (ja) * | 2005-10-13 | 2007-05-31 | Renesas Technology Corp | 不揮発性記憶装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US4751677A (en) * | 1986-09-16 | 1988-06-14 | Honeywell Inc. | Differential arrangement magnetic memory cell |
US6269027B1 (en) * | 1998-04-14 | 2001-07-31 | Honeywell, Inc. | Non-volatile storage latch |
KR100479810B1 (ko) * | 2002-12-30 | 2005-03-31 | 주식회사 하이닉스반도체 | 불휘발성 메모리 장치 |
JP4760225B2 (ja) * | 2005-08-26 | 2011-08-31 | ソニー株式会社 | 記憶装置 |
US7599210B2 (en) * | 2005-08-19 | 2009-10-06 | Sony Corporation | Nonvolatile memory cell, storage device and nonvolatile logic circuit |
US7646627B2 (en) * | 2006-05-18 | 2010-01-12 | Renesas Technology Corp. | Magnetic random access memory having improved read disturb suppression and thermal disturbance resistance |
-
2007
- 2007-09-07 WO PCT/JP2007/067472 patent/WO2009031231A1/ja active Application Filing
-
2008
- 2008-09-08 WO PCT/JP2008/066164 patent/WO2009031677A1/ja active Application Filing
- 2008-09-08 US US12/676,387 patent/US20100188891A1/en not_active Abandoned
- 2008-09-08 JP JP2009531302A patent/JPWO2009031677A1/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002216468A (ja) * | 2000-11-08 | 2002-08-02 | Canon Inc | 半導体記憶装置 |
WO2003105156A1 (ja) * | 2002-06-05 | 2003-12-18 | 松下電器産業株式会社 | 不揮発性メモリ回路及びその駆動方法並びにそのメモリ回路を用いた半導体装置 |
JP2007052879A (ja) * | 2005-08-19 | 2007-03-01 | Sony Corp | 不揮発性メモリセルおよび記憶装置と不揮発性論理回路 |
JP2007134027A (ja) * | 2005-10-13 | 2007-05-31 | Renesas Technology Corp | 不揮発性記憶装置 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010279035A (ja) * | 2009-05-26 | 2010-12-09 | Crocus Technology Sa | 磁気トンネル接合を使用する不揮発性論理装置 |
WO2014104131A1 (ja) * | 2012-12-28 | 2014-07-03 | 国立大学法人東北大学 | 記憶装置、メモリセル及びデータ書き込み方法 |
US9318170B2 (en) | 2012-12-28 | 2016-04-19 | Tohoku University | Storage device, memory cell, and data writing method |
JPWO2014104131A1 (ja) * | 2012-12-28 | 2017-01-12 | 国立大学法人東北大学 | 記憶装置、メモリセル及びデータ書き込み方法 |
JP2015018592A (ja) * | 2013-07-12 | 2015-01-29 | 凸版印刷株式会社 | 不揮発性メモリセルおよび不揮発性メモリ |
WO2015041305A1 (ja) * | 2013-09-20 | 2015-03-26 | 国立大学法人東北大学 | メモリセル及び記憶装置 |
JPWO2015041305A1 (ja) * | 2013-09-20 | 2017-03-02 | 国立大学法人東北大学 | メモリセル及び記憶装置 |
US9740255B2 (en) | 2013-09-20 | 2017-08-22 | Tohoku University | Memory cell and storage device |
TWI635488B (zh) * | 2013-09-20 | 2018-09-11 | 國立大學法人東北大學 | 存儲器單元和存儲裝置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2009031677A1 (ja) | 2010-12-16 |
US20100188891A1 (en) | 2010-07-29 |
WO2009031677A1 (ja) | 2009-03-12 |
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