JP2003022668A5 - - Google Patents

Download PDF

Info

Publication number
JP2003022668A5
JP2003022668A5 JP2002132918A JP2002132918A JP2003022668A5 JP 2003022668 A5 JP2003022668 A5 JP 2003022668A5 JP 2002132918 A JP2002132918 A JP 2002132918A JP 2002132918 A JP2002132918 A JP 2002132918A JP 2003022668 A5 JP2003022668 A5 JP 2003022668A5
Authority
JP
Japan
Prior art keywords
rxptm
cells
cell
array
capacitor
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.)
Granted
Application number
JP2002132918A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003022668A (ja
JP4067868B2 (ja
Filing date
Publication date
Priority claimed from US09/855,118 external-priority patent/US6504779B2/en
Application filed filed Critical
Publication of JP2003022668A publication Critical patent/JP2003022668A/ja
Publication of JP2003022668A5 publication Critical patent/JP2003022668A5/ja
Application granted granted Critical
Publication of JP4067868B2 publication Critical patent/JP4067868B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2002132918A 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 Expired - Fee Related JP4067868B2 (ja)

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 true JP2003022668A5 (enExample) 2005-04-07
JP4067868B2 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
JP2003022668A5 (enExample)
JP4067868B2 (ja) 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
EP1634301B1 (en) Apparatus for measuring current in sensing a memory cell
US6741490B2 (en) Sensing method and apparatus for resistance memory device
US7869253B2 (en) Method of determining a memory state of a resistive memory cell and device measuring the memory state of a resistive memory cell
US9455013B2 (en) System and method to trim reference levels in a resistive memory
US6765834B2 (en) System and method for sensing memory cells of an array of memory cells
EP1496518B1 (en) Storage device using resistance varying storage element and reference resistance value decision method for the device
EP1642298A1 (en) Method for reducing power consumption when sensing a resistive memory
JP2021535532A (ja) メモリ操作用のイベントカウンタ
KR20080020958A (ko) 메모리 회로
US9990991B2 (en) Resistive memory device and method relating to a read voltage in accordance with variable situations
US20080239833A1 (en) Readout of multi-level storage cells
TW201905932A (zh) 記憶體功能測試器以及記憶體裝置的測試方法與製造方法
US6898134B2 (en) Systems and methods for sensing a memory element
US6639859B2 (en) Test array and method for testing memory arrays
US5256963A (en) Digital testing for high-impedance states in digital electronic circuits
CN100442518C (zh) 具有无源存储元件的存储器中改善读取的方法
US20090201714A1 (en) Resistive memory cell and method for operating same
JP2012256393A (ja) 半導体記憶装置