CN1183544C - 磁阻存储器用电流驱动装置 - Google Patents
磁阻存储器用电流驱动装置 Download PDFInfo
- Publication number
- CN1183544C CN1183544C CNB011221429A CN01122142A CN1183544C CN 1183544 C CN1183544 C CN 1183544C CN B011221429 A CNB011221429 A CN B011221429A CN 01122142 A CN01122142 A CN 01122142A CN 1183544 C CN1183544 C CN 1183544C
- Authority
- CN
- China
- Prior art keywords
- current
- word line
- bit line
- field effect
- channel field
- 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
- G11C11/1697—Power supply circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/12—Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
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 (3)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10032272A DE10032272C2 (de) | 2000-07-03 | 2000-07-03 | Strom-Treiberanordnung für MRAM |
| DE10032272.7 | 2000-07-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1337708A CN1337708A (zh) | 2002-02-27 |
| CN1183544C true CN1183544C (zh) | 2005-01-05 |
Family
ID=7647602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011221429A Expired - Fee Related CN1183544C (zh) | 2000-07-03 | 2001-07-03 | 磁阻存储器用电流驱动装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6483768B2 (zh) |
| EP (1) | EP1170750A1 (zh) |
| JP (1) | JP2002093144A (zh) |
| KR (1) | KR100441178B1 (zh) |
| CN (1) | CN1183544C (zh) |
| DE (1) | DE10032272C2 (zh) |
| TW (1) | TW561483B (zh) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061854A1 (ja) * | 2003-01-06 | 2004-07-22 | Nec Corporation | 半導体記憶装置 |
| KR100518574B1 (ko) * | 2003-05-22 | 2005-10-04 | 삼성전자주식회사 | 게이트 전압을 이용하여 출력전류를 조절하는 전류모드출력드라이버 및 이에 대한 출력전류 조절방법 |
| US6813181B1 (en) * | 2003-05-27 | 2004-11-02 | Infineon Technologies Ag | Circuit configuration for a current switch of a bit/word line of a MRAM device |
| US6930915B2 (en) * | 2003-06-19 | 2005-08-16 | Infineon Technologies Ag | Cross-point MRAM array with reduced voltage drop across MTJ's |
| JP4290494B2 (ja) | 2003-07-08 | 2009-07-08 | 株式会社ルネサステクノロジ | 半導体記憶装置 |
| US7411815B2 (en) * | 2005-11-14 | 2008-08-12 | Infineon Technologies Ag | Memory write circuit |
| US8929132B2 (en) | 2011-11-17 | 2015-01-06 | Everspin Technologies, Inc. | Write driver circuit and method for writing to a spin-torque MRAM |
| CN103310830B (zh) * | 2012-03-12 | 2016-05-25 | 中芯国际集成电路制造(上海)有限公司 | 字线驱动电路及存储器电路 |
| US9183912B2 (en) | 2012-05-17 | 2015-11-10 | Everspin Technologies, Inc. | Circuit and method for controlling MRAM cell bias voltages |
| US12148459B2 (en) | 2022-02-22 | 2024-11-19 | Sandisk Technologies Llc | Cross-point array IHOLD read margin improvement |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5349302A (en) * | 1993-05-13 | 1994-09-20 | Honeywell Inc. | Sense amplifier input stage for single array memory |
| US5929636A (en) * | 1996-05-02 | 1999-07-27 | Integrated Magnetoelectronics | All-metal giant magnetoresistive solid-state component |
| US6256224B1 (en) * | 2000-05-03 | 2001-07-03 | Hewlett-Packard Co | Write circuit for large MRAM arrays |
| US5986925A (en) * | 1998-04-07 | 1999-11-16 | Motorola, Inc. | Magnetoresistive random access memory device providing simultaneous reading of two cells and operating method |
| JP3319400B2 (ja) * | 1998-08-07 | 2002-08-26 | ヤマハ株式会社 | 駆動回路 |
| US6134138A (en) * | 1999-07-30 | 2000-10-17 | Honeywell Inc. | Method and apparatus for reading a magnetoresistive memory |
| US6052302A (en) * | 1999-09-27 | 2000-04-18 | Motorola, Inc. | Bit-wise conditional write method and system for an MRAM |
-
2000
- 2000-07-03 DE DE10032272A patent/DE10032272C2/de not_active Expired - Fee Related
-
2001
- 2001-06-07 EP EP01113928A patent/EP1170750A1/de not_active Withdrawn
- 2001-06-28 JP JP2001197558A patent/JP2002093144A/ja not_active Withdrawn
- 2001-07-02 TW TW090116108A patent/TW561483B/zh active
- 2001-07-02 KR KR10-2001-0039239A patent/KR100441178B1/ko not_active Expired - Fee Related
- 2001-07-03 CN CNB011221429A patent/CN1183544C/zh not_active Expired - Fee Related
- 2001-07-03 US US09/898,221 patent/US6483768B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020003820A (ko) | 2002-01-15 |
| US6483768B2 (en) | 2002-11-19 |
| CN1337708A (zh) | 2002-02-27 |
| DE10032272C2 (de) | 2002-08-29 |
| EP1170750A1 (de) | 2002-01-09 |
| KR100441178B1 (ko) | 2004-07-22 |
| TW561483B (en) | 2003-11-11 |
| DE10032272A1 (de) | 2002-01-24 |
| US20020024875A1 (en) | 2002-02-28 |
| JP2002093144A (ja) | 2002-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6687178B1 (en) | Temperature dependent write current source for magnetic tunnel junction MRAM | |
| KR101038635B1 (ko) | 강화된 전류 및 강화된 전류 대칭성을 갖는 전류 구동 메모리 셀 | |
| CN1146916C (zh) | 磁阻随机存取存储装置 | |
| CN1183544C (zh) | 磁阻存储器用电流驱动装置 | |
| CN1681040A (zh) | 磁随机存取存储器以及从其中读取数据的方法 | |
| HK1041742A1 (zh) | 磁随机存取存储器大阵列的写入电路 | |
| CN1606093A (zh) | 使用转矩的非易失性磁存储单元和使用它的随机存取磁存储器 | |
| CN101075631A (zh) | 半导体器件 | |
| CN1505043A (zh) | 非易失性存储单元及非易失性半导体存储装置 | |
| JP2004005965A (ja) | 小面積の磁気メモリデバイス | |
| CN1930628A (zh) | 用于磁隧道结的独立写入和读取访问构造 | |
| CN1822226A (zh) | 具有多位单元阵列结构的磁阻随机存取存储器 | |
| US10643683B2 (en) | Magnetic memory | |
| CN1574071A (zh) | 磁阻式随机存取存储器电路 | |
| WO2012118481A1 (en) | Memristive elements that exhibit minimal sneak path current | |
| CN1757076A (zh) | 具有电隔离的读写电路的mram结构 | |
| CN1735943A (zh) | 使用铁磁隧道结器件的磁存储装置 | |
| CN1276435C (zh) | 磁随机存取存储器及其制造方法 | |
| CN1717743A (zh) | 用于在磁致电阻存储器件的写操作期间改善磁场产生的方法和设备 | |
| JP3884399B2 (ja) | 磁気記憶装置 | |
| CN100350497C (zh) | 抑制了电流路径上的晶体管组的电阻的薄膜磁性体存储器 | |
| CN1526138A (zh) | 磁性储存装置 | |
| CN1558422A (zh) | 具有高选择性的磁阻随机存取存储器 | |
| EP1573744B1 (en) | Current re-routing scheme for serial-programmed mram | |
| JP4426876B2 (ja) | 磁気連想メモリ及び磁気連想メモリからの情報読み出し方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFENNIAN TECHNOLOGIES AG |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130703 Address after: Munich, Germany Patentee after: QIMONDA AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160113 Address after: German Berg, Laura Ibiza Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: QIMONDA AG |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050105 Termination date: 20170703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |