JP4067868B2 - オンチップセンス増幅器を備える抵抗型クロスポイントメモリの較正方法 - Google Patents
オンチップセンス増幅器を備える抵抗型クロスポイントメモリの較正方法 Download PDFInfo
- Publication number
- JP4067868B2 JP4067868B2 JP2002132918A JP2002132918A JP4067868B2 JP 4067868 B2 JP4067868 B2 JP 4067868B2 JP 2002132918 A JP2002132918 A JP 2002132918A JP 2002132918 A JP2002132918 A JP 2002132918A JP 4067868 B2 JP4067868 B2 JP 4067868B2
- Authority
- JP
- Japan
- Prior art keywords
- rxptm
- cell
- cells
- array
- sense amplifier
- 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
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/06—Sense amplifiers; Associated circuits, e.g. timing or triggering 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
- G11C11/14—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
- G11C11/1673—Reading or sensing circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C29/50—Marginal testing, e.g. race, voltage or current testing
-
- 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
- G11C2207/2254—Calibration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/855,118 US6504779B2 (en) | 2001-05-14 | 2001-05-14 | Resistive cross point memory with on-chip sense amplifier calibration method and apparatus |
| US09/855118 | 2001-05-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003022668A JP2003022668A (ja) | 2003-01-24 |
| JP2003022668A5 JP2003022668A5 (enExample) | 2005-04-07 |
| JP4067868B2 true JP4067868B2 (ja) | 2008-03-26 |
Family
ID=25320397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002132918A Expired - Fee Related JP4067868B2 (ja) | 2001-05-14 | 2002-05-08 | オンチップセンス増幅器を備える抵抗型クロスポイントメモリの較正方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6504779B2 (enExample) |
| EP (1) | EP1260988A3 (enExample) |
| JP (1) | JP4067868B2 (enExample) |
| CN (1) | CN100474439C (enExample) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030023922A1 (en) * | 2001-07-25 | 2003-01-30 | Davis James A. | Fault tolerant magnetoresistive solid-state storage device |
| US6831854B2 (en) * | 2002-08-02 | 2004-12-14 | Unity Semiconductor Corporation | Cross point memory array using distinct voltages |
| US6804145B2 (en) * | 2002-11-01 | 2004-10-12 | Hewlett-Packard Development Company, L.P. | Memory cell sensing system and method |
| US6868025B2 (en) * | 2003-03-10 | 2005-03-15 | Sharp Laboratories Of America, Inc. | Temperature compensated RRAM circuit |
| US6873543B2 (en) * | 2003-05-30 | 2005-03-29 | Hewlett-Packard Development Company, L.P. | Memory device |
| US6898134B2 (en) * | 2003-07-18 | 2005-05-24 | Hewlett-Packard Development Company, L.P. | Systems and methods for sensing a memory element |
| US7006388B2 (en) * | 2003-08-28 | 2006-02-28 | Hewlett-Packard Development Company, L.P. | Memory with reference-initiated sequential sensing |
| US6894938B2 (en) * | 2003-10-03 | 2005-05-17 | Hewlett-Packard Development Company, L.P. | System and method of calibrating a read circuit in a magnetic memory |
| US6990030B2 (en) * | 2003-10-21 | 2006-01-24 | Hewlett-Packard Development Company, L.P. | Magnetic memory having a calibration system |
| KR100988087B1 (ko) | 2003-11-24 | 2010-10-18 | 삼성전자주식회사 | Mram 특성 분석 장치 및 그 분석 방법 |
| US6999366B2 (en) * | 2003-12-03 | 2006-02-14 | Hewlett-Packard Development Company, Lp. | Magnetic memory including a sense result category between logic states |
| US7400670B2 (en) | 2004-01-28 | 2008-07-15 | Rambus, Inc. | Periodic calibration for communication channels by drift tracking |
| US7130235B2 (en) * | 2004-09-03 | 2006-10-31 | Hewlett-Packard Development Company, L.P. | Method and apparatus for a sense amplifier |
| US7390616B2 (en) * | 2005-01-12 | 2008-06-24 | International Business Machines Corporation | Method for post lithographic critical dimension shrinking using post overcoat planarization |
| US7239537B2 (en) * | 2005-01-12 | 2007-07-03 | International Business Machines Corporation | Method and apparatus for current sense amplifier calibration in MRAM devices |
| US7646625B2 (en) * | 2007-06-29 | 2010-01-12 | Qimonda Ag | Conditioning operations for memory cells |
| US20090103350A1 (en) * | 2007-10-18 | 2009-04-23 | Michael Kund | Method of Testing an Integrated Circuit, Method of Manufacturing an Integrated Circuit, and Integrated Circuit |
| CN101842843B (zh) * | 2007-11-01 | 2014-06-11 | 飞思卡尔半导体公司 | Mram测试 |
| WO2013055332A1 (en) | 2011-10-12 | 2013-04-18 | Hewlett-Packard Development Company, L.P. | Select device for cross point memory structures |
| CN103366791B (zh) * | 2012-03-30 | 2017-04-12 | 硅存储技术公司 | 即时可调整读出放大器 |
| KR20140035558A (ko) | 2012-09-14 | 2014-03-24 | 삼성전자주식회사 | 가변 저항 메모리 장치 및 그 동작 방법 |
| US9025367B1 (en) * | 2013-11-26 | 2015-05-05 | Realtek Semiconductor Corp. | Method and apparatus for sensing tunnel magneto-resistance |
| US9911491B2 (en) | 2014-07-31 | 2018-03-06 | Hewlett Packard Enterprise Development Lp | Determining a resistance state of a cell in a crossbar memory array |
| DE102017203455B4 (de) * | 2016-03-02 | 2024-08-01 | Infineon Technologies Ag | Übergangsüberwachung bei resistivem Speicher |
| CN107154272B (zh) * | 2016-03-03 | 2020-07-03 | 东芝存储器株式会社 | 电流检测电路 |
| US10170162B2 (en) * | 2017-05-23 | 2019-01-01 | Sandisk Technologies Llc | Sense amplifier calibration |
| JP2020161201A (ja) * | 2019-03-27 | 2020-10-01 | キオクシア株式会社 | 半導体記憶装置 |
| CN112447257B (zh) * | 2019-08-30 | 2022-10-14 | 中电海康集团有限公司 | 测试结构和测试方法 |
| CN115188401B (zh) * | 2021-04-07 | 2025-10-14 | 浙江驰拓科技有限公司 | 保护mram数据的装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10162585A (ja) * | 1996-12-03 | 1998-06-19 | Sony Corp | トリミング機能付きセンスアンプを備えた半導体メモリ素子 |
| US6262625B1 (en) * | 1999-10-29 | 2001-07-17 | Hewlett-Packard Co | Operational amplifier with digital offset calibration |
| US6259644B1 (en) * | 1997-11-20 | 2001-07-10 | Hewlett-Packard Co | Equipotential sense methods for resistive cross point memory cell arrays |
| US6188615B1 (en) * | 1999-10-29 | 2001-02-13 | Hewlett-Packard Company | MRAM device including digital sense amplifiers |
-
2001
- 2001-05-14 US US09/855,118 patent/US6504779B2/en not_active Expired - Lifetime
-
2002
- 2002-05-08 JP JP2002132918A patent/JP4067868B2/ja not_active Expired - Fee Related
- 2002-05-14 CN CNB021193819A patent/CN100474439C/zh not_active Expired - Lifetime
- 2002-05-14 EP EP02253365A patent/EP1260988A3/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003022668A (ja) | 2003-01-24 |
| US20020167838A1 (en) | 2002-11-14 |
| EP1260988A2 (en) | 2002-11-27 |
| EP1260988A3 (en) | 2004-08-18 |
| CN1385859A (zh) | 2002-12-18 |
| CN100474439C (zh) | 2009-04-01 |
| US6504779B2 (en) | 2003-01-07 |
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