ITMI20041046A1 - Dispositivo e procedimento per controllo di larghezza di impulso in un dispositivo di memoria a cambiamento di fase - Google Patents

Dispositivo e procedimento per controllo di larghezza di impulso in un dispositivo di memoria a cambiamento di fase

Info

Publication number
ITMI20041046A1
ITMI20041046A1 IT001046A ITMI20041046A ITMI20041046A1 IT MI20041046 A1 ITMI20041046 A1 IT MI20041046A1 IT 001046 A IT001046 A IT 001046A IT MI20041046 A ITMI20041046 A IT MI20041046A IT MI20041046 A1 ITMI20041046 A1 IT MI20041046A1
Authority
IT
Italy
Prior art keywords
procedure
pulse width
phase change
change memory
width control
Prior art date
Application number
IT001046A
Other languages
English (en)
Inventor
Woo-Yeong Cho
Kyung-Hee Kim
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020030035564A external-priority patent/KR100546328B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of ITMI20041046A1 publication Critical patent/ITMI20041046A1/it

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021Auxiliary circuits
    • G11C13/0064Verifying circuits or methods
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital 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
    • G11C11/5678Digital 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 amorphous/crystalline phase transition storage elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0004Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements comprising amorphous/crystalline phase transition cells
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021Auxiliary circuits
    • G11C13/0023Address circuits or decoders
    • G11C13/0026Bit-line or column circuits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021Auxiliary circuits
    • G11C13/0061Timing circuits or methods
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021Auxiliary circuits
    • G11C13/0069Writing or programming circuits or methods
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C29/00Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/02Detection or location of defective auxiliary circuits, e.g. defective refresh counters
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C29/00Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/02Detection or location of defective auxiliary circuits, e.g. defective refresh counters
    • G11C29/028Detection or location of defective auxiliary circuits, e.g. defective refresh counters with adaption or trimming of parameters
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C29/00Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/04Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
    • G11C29/50Marginal testing, e.g. race, voltage or current testing
    • G11C29/50012Marginal testing, e.g. race, voltage or current testing of timing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C7/00Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/12Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021Auxiliary circuits
    • G11C13/0064Verifying circuits or methods
    • G11C2013/0066Verify correct writing whilst writing is in progress, e.g. by detecting onset or cessation of current flow in cell and using the detector output to terminate writing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0021Auxiliary circuits
    • G11C13/0069Writing or programming circuits or methods
    • G11C2013/0092Write characterized by the shape, e.g. form, length, amplitude of the write pulse
IT001046A 2003-06-03 2004-05-25 Dispositivo e procedimento per controllo di larghezza di impulso in un dispositivo di memoria a cambiamento di fase ITMI20041046A1 (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030035564A KR100546328B1 (ko) 2003-06-03 2003-06-03 상 변화 메모리 장치로 인가되는 펄스 폭 자동 제어 방법및 장치
US10/773,901 US7085154B2 (en) 2003-06-03 2004-02-06 Device and method for pulse width control in a phase change memory device

Publications (1)

Publication Number Publication Date
ITMI20041046A1 true ITMI20041046A1 (it) 2004-08-25

Family

ID=36815433

Family Applications (1)

Application Number Title Priority Date Filing Date
IT001046A ITMI20041046A1 (it) 2003-06-03 2004-05-25 Dispositivo e procedimento per controllo di larghezza di impulso in un dispositivo di memoria a cambiamento di fase

Country Status (5)

Country Link
US (2) US7085154B2 (it)
JP (1) JP2004362761A (it)
CN (1) CN100514492C (it)
DE (1) DE102004025975B4 (it)
IT (1) ITMI20041046A1 (it)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147395A (en) * 1996-10-02 2000-11-14 Micron Technology, Inc. Method for fabricating a small area of contact between electrodes
US7085154B2 (en) * 2003-06-03 2006-08-01 Samsung Electronics Co., Ltd. Device and method for pulse width control in a phase change memory device
US7159181B2 (en) * 2003-10-01 2007-01-02 Sunrise Medical Hhg Inc. Control system with customizable menu structure for personal mobility vehicle
US9153960B2 (en) 2004-01-15 2015-10-06 Comarco Wireless Technologies, Inc. Power supply equipment utilizing interchangeable tips to provide power and a data signal to electronic devices
TWI288931B (en) 2004-06-19 2007-10-21 Samsung Electronics Co Ltd Phase-change memory element driver circuits using measurement to control current and methods of controlling drive current of phase-change memory elements using measurement
KR100618836B1 (ko) 2004-06-19 2006-09-08 삼성전자주식회사 반도체 메모리 장치 및 반도체 메모리 장치의 프로그래밍방법
CN101044577B (zh) * 2004-10-21 2011-06-15 Nxp股份有限公司 具有相变存储单元的集成电路和对相变存储单元寻址的方法
KR100564637B1 (ko) * 2004-10-26 2006-03-29 삼성전자주식회사 반도체 메모리 장치와 그 프로그래밍 방법
US7272037B2 (en) * 2004-10-29 2007-09-18 Macronix International Co., Ltd. Method for programming a multilevel phase change memory device
JP4646634B2 (ja) * 2005-01-05 2011-03-09 ルネサスエレクトロニクス株式会社 半導体装置
US7923724B2 (en) * 2005-01-10 2011-04-12 Ovonyx, Inc. Phase change memory that switches between crystalline phases
JP4282612B2 (ja) 2005-01-19 2009-06-24 エルピーダメモリ株式会社 メモリ装置及びそのリフレッシュ方法
JP4735948B2 (ja) * 2005-03-29 2011-07-27 日本電気株式会社 磁気ランダムアクセスメモリ及びその動作方法
KR100699837B1 (ko) * 2005-04-04 2007-03-27 삼성전자주식회사 반도체 메모리 장치 및 반도체 메모리 장치의 프로그래밍방법
EP2249351B1 (en) * 2005-06-03 2013-05-01 STMicroelectronics Srl Method for multilevel programming of phase change memory cells using a percolation algorithm
KR100794654B1 (ko) * 2005-07-06 2008-01-14 삼성전자주식회사 상 변화 메모리 장치 및 그것의 프로그램 방법
KR100674983B1 (ko) * 2005-07-13 2007-01-29 삼성전자주식회사 구동전압 레벨을 변경할 수 있는 상 변화 메모리 장치
US20070025166A1 (en) * 2005-07-27 2007-02-01 Spansion Llc Program/erase waveshaping control to increase data retention of a memory cell
US7460389B2 (en) * 2005-07-29 2008-12-02 International Business Machines Corporation Write operations for phase-change-material memory
US7372725B2 (en) * 2005-08-15 2008-05-13 Infineon Technologies Ag Integrated circuit having resistive memory
KR100674992B1 (ko) * 2005-09-08 2007-01-29 삼성전자주식회사 구동전압 레벨을 변경할 수 있는 상 변화 메모리 장치
KR100695162B1 (ko) * 2005-09-13 2007-03-14 삼성전자주식회사 상변화 메모리 및 그 동작 방법
CN101180683B (zh) * 2005-09-21 2010-05-26 株式会社瑞萨科技 半导体器件
KR100674997B1 (ko) * 2005-10-15 2007-01-29 삼성전자주식회사 상 변화 메모리 장치 및 상 변화 메모리 장치의 독출 동작제어방법
CN101292299B (zh) * 2005-10-17 2013-02-06 瑞萨电子株式会社 半导体器件
KR100657972B1 (ko) 2005-10-28 2006-12-14 삼성전자주식회사 상변화 메모리 소자와 그 동작 및 제조 방법
US8222917B2 (en) * 2005-11-03 2012-07-17 Agate Logic, Inc. Impedance matching and trimming apparatuses and methods using programmable resistance devices
KR100745600B1 (ko) * 2005-11-07 2007-08-02 삼성전자주식회사 상 변화 메모리 장치 및 그것의 읽기 방법
US7292466B2 (en) * 2006-01-03 2007-11-06 Infineon Technologies Ag Integrated circuit having a resistive memory
US7423901B2 (en) * 2006-03-03 2008-09-09 Marvell World Trade, Ltd. Calibration system for writing and reading multiple states into phase change memory
US7626858B2 (en) * 2006-06-09 2009-12-01 Qimonda North America Corp. Integrated circuit having a precharging circuit
US7457146B2 (en) * 2006-06-19 2008-11-25 Qimonda North America Corp. Memory cell programmed using a temperature controlled set pulse
US20080025080A1 (en) * 2006-07-27 2008-01-31 Cswitch Corporation Method and apparatus for programming phase change devices
US7545665B2 (en) * 2006-09-06 2009-06-09 Glacier Microelectronics, Inc. High yielding, voltage, temperature, and process insensitive lateral poly fuse memory
US7885102B2 (en) * 2006-09-15 2011-02-08 Renesas Electronics Corporation Semiconductor device
US7619917B2 (en) * 2006-11-28 2009-11-17 Qimonda North America Corp. Memory cell with trigger element
US7903447B2 (en) 2006-12-13 2011-03-08 Macronix International Co., Ltd. Method, apparatus and computer program product for read before programming process on programmable resistive memory cell
US7701759B2 (en) 2007-02-05 2010-04-20 Macronix International Co., Ltd. Memory cell device and programming methods
TWI330846B (en) * 2007-03-08 2010-09-21 Ind Tech Res Inst A writing method and system for a phase change memory
US7940552B2 (en) * 2007-04-30 2011-05-10 Samsung Electronics Co., Ltd. Multiple level cell phase-change memory device having pre-reading operation resistance drift recovery, memory systems employing such devices and methods of reading memory devices
KR101469831B1 (ko) * 2007-04-30 2014-12-09 삼성전자주식회사 향상된 읽기 성능을 갖는 멀티-레벨 상변환 메모리 장치 및그것의 읽기 방법
KR100914267B1 (ko) 2007-06-20 2009-08-27 삼성전자주식회사 가변저항 메모리 장치 및 그것의 형성방법
US7571901B2 (en) * 2007-06-21 2009-08-11 Qimonda North America Corp. Circuit for programming a memory element
KR20090006468A (ko) * 2007-07-11 2009-01-15 삼성전자주식회사 상변화 물질, 상기 상변화 물질을 포함하는 스퍼터 타겟,상기 스퍼터 타겟을 이용한 상변화층의 형성방법 및 상기방법으로 형성된 상변화층을 포함하는 상변화 메모리소자의 제조방법
KR101308549B1 (ko) * 2007-07-12 2013-09-13 삼성전자주식회사 멀티-레벨 상변환 메모리 장치 및 그것의 쓰기 방법
KR100887061B1 (ko) * 2007-07-24 2009-03-04 주식회사 하이닉스반도체 상 변화 메모리 장치
KR101408876B1 (ko) * 2007-11-13 2014-06-18 삼성전자주식회사 상 변화 메모리 장치의 기입 드라이버 회로
CN101452743B (zh) * 2007-12-05 2011-10-26 财团法人工业技术研究院 相变存储器的写入系统与方法
US7593255B2 (en) 2007-12-07 2009-09-22 Qimonda North America Corp. Integrated circuit for programming a memory element
JP5121439B2 (ja) * 2007-12-26 2013-01-16 株式会社東芝 不揮発性半導体記憶装置
US8077505B2 (en) * 2008-05-07 2011-12-13 Macronix International Co., Ltd. Bipolar switching of phase change device
TWI450274B (zh) * 2008-06-02 2014-08-21 Higgs Opl Capital Llc 記憶體與記憶體寫入方法
US8111539B2 (en) * 2008-06-27 2012-02-07 Sandisk 3D Llc Smart detection circuit for writing to non-volatile storage
US8134857B2 (en) 2008-06-27 2012-03-13 Macronix International Co., Ltd. Methods for high speed reading operation of phase change memory and device employing same
US7978507B2 (en) * 2008-06-27 2011-07-12 Sandisk 3D, Llc Pulse reset for non-volatile storage
US7876606B2 (en) * 2008-07-02 2011-01-25 Qimonda Ag Integrated circuit for programming a memory cell
JP2010067332A (ja) * 2008-09-12 2010-03-25 Elpida Memory Inc 相補型相変化メモリセル及びメモリ回路
US7719913B2 (en) * 2008-09-12 2010-05-18 Macronix International Co., Ltd. Sensing circuit for PCRAM applications
US7920407B2 (en) * 2008-10-06 2011-04-05 Sandisk 3D, Llc Set and reset detection circuits for reversible resistance switching memory material
US8036014B2 (en) 2008-11-06 2011-10-11 Macronix International Co., Ltd. Phase change memory program method without over-reset
US7869270B2 (en) * 2008-12-29 2011-01-11 Macronix International Co., Ltd. Set algorithm for phase change memory cell
US8301977B2 (en) * 2008-12-30 2012-10-30 Stmicroelectronics S.R.L. Accelerating phase change memory writes
US8093661B2 (en) * 2009-01-07 2012-01-10 Macronix International Co., Ltd. Integrated circuit device with single crystal silicon on silicide and manufacturing method
US8107283B2 (en) 2009-01-12 2012-01-31 Macronix International Co., Ltd. Method for setting PCRAM devices
US8064247B2 (en) 2009-01-14 2011-11-22 Macronix International Co., Ltd. Rewritable memory device based on segregation/re-absorption
US8166368B2 (en) * 2009-02-24 2012-04-24 International Business Machines Corporation Writing a special symbol to a memory to indicate the absence of a data signal
US8023345B2 (en) * 2009-02-24 2011-09-20 International Business Machines Corporation Iteratively writing contents to memory locations using a statistical model
JP4774109B2 (ja) * 2009-03-13 2011-09-14 シャープ株式会社 不揮発性可変抵抗素子のフォーミング処理の制御回路、並びにフォーミング処理の制御方法
JP2010244607A (ja) 2009-04-03 2010-10-28 Elpida Memory Inc 半導体記憶装置
KR101086858B1 (ko) * 2009-04-15 2011-11-25 주식회사 하이닉스반도체 라이트 전압을 생성하는 비휘발성 반도체 메모리 회로
US8406033B2 (en) 2009-06-22 2013-03-26 Macronix International Co., Ltd. Memory device and method for sensing and fixing margin cells
US7894254B2 (en) * 2009-07-15 2011-02-22 Macronix International Co., Ltd. Refresh circuitry for phase change memory
US8386739B2 (en) * 2009-09-28 2013-02-26 International Business Machines Corporation Writing to memory using shared address buses
US8230276B2 (en) * 2009-09-28 2012-07-24 International Business Machines Corporation Writing to memory using adaptive write techniques
KR101652333B1 (ko) 2010-02-10 2016-08-30 삼성전자주식회사 가변 저항 메모리 장치 및 그것의 프로그램 방법
US8463985B2 (en) 2010-03-31 2013-06-11 International Business Machines Corporation Constrained coding to reduce floating gate coupling in non-volatile memories
JP2011253595A (ja) * 2010-06-03 2011-12-15 Toshiba Corp 不揮発性半導体記憶装置
US8634235B2 (en) 2010-06-25 2014-01-21 Macronix International Co., Ltd. Phase change memory coding
CN101894587A (zh) * 2010-07-23 2010-11-24 上海宏力半导体制造有限公司 相变存储器的自限写入脉冲发生电路
CN101901632B (zh) * 2010-08-11 2015-12-02 上海华虹宏力半导体制造有限公司 监控位线电压的监控电路及监控方法
KR101201859B1 (ko) 2010-09-03 2012-11-15 에스케이하이닉스 주식회사 반도체 메모리 장치 및 프로그래밍 전류펄스 조절방법
US8194441B2 (en) 2010-09-23 2012-06-05 Micron Technology, Inc. Phase change memory state determination using threshold edge detection
US8467238B2 (en) 2010-11-15 2013-06-18 Macronix International Co., Ltd. Dynamic pulse operation for phase change memory
US8374019B2 (en) 2011-01-05 2013-02-12 Macronix International Co., Ltd. Phase change memory with fast write characteristics
CN102592667A (zh) * 2011-01-13 2012-07-18 中国科学院微电子研究所 编程电阻存储单元的方法和装置
US8891293B2 (en) 2011-06-23 2014-11-18 Macronix International Co., Ltd. High-endurance phase change memory devices and methods for operating the same
US8767482B2 (en) 2011-08-18 2014-07-01 Micron Technology, Inc. Apparatuses, devices and methods for sensing a snapback event in a circuit
CN102355013B (zh) * 2011-08-22 2013-09-18 北京兆易创新科技股份有限公司 一种灵敏放大器的预充电控制电路
CN102299537B (zh) * 2011-08-22 2013-12-11 北京兆易创新科技股份有限公司 一种灵敏放大器的预充电控制电路及方法
DE102012111829A1 (de) 2011-12-06 2013-06-06 Samsung Electronics Co., Ltd. Speichersysteme und Blockkopierverfahren davon
KR101893145B1 (ko) 2011-12-06 2018-10-05 삼성전자주식회사 메모리 시스템들 및 그것들의 블록 복사 방법들
US9001550B2 (en) 2012-04-27 2015-04-07 Macronix International Co., Ltd. Blocking current leakage in a memory array
KR20140028481A (ko) * 2012-08-29 2014-03-10 에스케이하이닉스 주식회사 쓰기 전류를 측정할 수 있는 반도체 메모리 장치 및 쓰기 전류 측정 방법
US9281061B2 (en) 2012-09-19 2016-03-08 Micron Technology, Inc. Methods and apparatuses having a voltage generator with an adjustable voltage drop for representing a voltage drop of a memory cell and/or a current mirror circuit and replica circuit
US8964442B2 (en) 2013-01-14 2015-02-24 Macronix International Co., Ltd. Integrated circuit 3D phase change memory array and manufacturing method
JP2015060608A (ja) 2013-09-18 2015-03-30 株式会社東芝 半導体記憶装置
US9779810B2 (en) * 2015-09-11 2017-10-03 Macronix International Co., Ltd. Adjustable writing circuit
US10204681B2 (en) * 2017-05-09 2019-02-12 National Tsing Hua University Control circuit configured to terminate a set operation and a reset operation of a resistive memory cell of memory array based on the voltage variation on the data line of the resistive memory cell
US10832770B2 (en) 2019-03-13 2020-11-10 Sandisk Technologies Llc Single pulse memory operation
KR20210048007A (ko) 2019-10-22 2021-05-03 삼성전자주식회사 메모리 장치 및 이의 동작 방법
IT202000012070A1 (it) 2020-05-22 2021-11-22 St Microelectronics Srl Dispositivo di memoria non volatile con un circuito di pilotaggio di programmazione includente un limitatore di tensione

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968507A (en) * 1984-06-20 1990-11-06 Merck & Co., Inc. Controlled porosity osmotic pump
MY105136A (en) * 1988-04-27 1994-08-30 Daiichi Seiyaku Co Optically active pyridonecarboxylic acid derivatives.
ATE192932T1 (de) * 1993-09-09 2000-06-15 Takeda Chemical Industries Ltd Formulierung enthaltend einen antibakteriellen und einen antiulcus wirkstoff
JP3361006B2 (ja) * 1995-03-24 2003-01-07 川崎マイクロエレクトロニクス株式会社 半導体デバイス
US6057323A (en) * 1996-03-08 2000-05-02 Adolor Corporation Kappa agonist compounds pharmaceutical formulations and method of prevention and treatment of pruritus therewith
US5712815A (en) * 1996-04-22 1998-01-27 Advanced Micro Devices, Inc. Multiple bits per-cell flash EEPROM capable of concurrently programming and verifying memory cells and reference cells
US5847003A (en) * 1996-06-04 1998-12-08 Avon Products, Inc. Oxa acids and related compounds for treating skin conditions
KR100223868B1 (ko) * 1996-07-12 1999-10-15 구본준 비휘발성 메모리를 프로그램하는 방법
EP0995746A1 (en) * 1997-06-23 2000-04-26 Yoshitomi Pharmaceutical Industries, Ltd. Prophylactic or therapeutic agent for diseases attributable to infection with helicobacters
US6141241A (en) * 1998-06-23 2000-10-31 Energy Conversion Devices, Inc. Universal memory element with systems employing same and apparatus and method for reading, writing and programming same
US6075719A (en) 1999-06-22 2000-06-13 Energy Conversion Devices, Inc. Method of programming phase-change memory element
US6314014B1 (en) * 1999-12-16 2001-11-06 Ovonyx, Inc. Programmable resistance memory arrays with reference cells
US6222771B1 (en) * 2000-01-31 2001-04-24 Eon Silicon Devices, Inc. Unified program method and circuitry in flash EEPROM
US6570784B2 (en) 2001-06-29 2003-05-27 Ovonyx, Inc. Programming a phase-change material memory
US6487113B1 (en) 2001-06-29 2002-11-26 Ovonyx, Inc. Programming a phase-change memory with slow quench time
US6434048B1 (en) * 2001-07-20 2002-08-13 Hewlett-Packard Company Pulse train writing of worm storage device
US6545907B1 (en) * 2001-10-30 2003-04-08 Ovonyx, Inc. Technique and apparatus for performing write operations to a phase change material memory device
US6879525B2 (en) * 2001-10-31 2005-04-12 Hewlett-Packard Development Company, L.P. Feedback write method for programmable memory
EP1324345A1 (en) * 2001-12-27 2003-07-02 STMicroelectronics S.r.l. Single supply voltage, nonvolatile memory device with cascoded column decoding
JP2004079033A (ja) * 2002-08-12 2004-03-11 Renesas Technology Corp 不揮発性半導体記憶装置
JP4249992B2 (ja) * 2002-12-04 2009-04-08 シャープ株式会社 半導体記憶装置及びメモリセルの書き込み並びに消去方法
US6813177B2 (en) * 2002-12-13 2004-11-02 Ovoynx, Inc. Method and system to store information
KR100480644B1 (ko) * 2003-02-28 2005-03-31 삼성전자주식회사 셀 구동 전류가 증가된 상 변화 메모리
KR100546322B1 (ko) * 2003-03-27 2006-01-26 삼성전자주식회사 비휘발성 메모리와 휘발성 메모리로 선택적으로 동작할 수있는 상 변화 메모리 장치 및 상 변화 메모리 장치의 동작방법
US7085154B2 (en) * 2003-06-03 2006-08-01 Samsung Electronics Co., Ltd. Device and method for pulse width control in a phase change memory device
US7457146B2 (en) * 2006-06-19 2008-11-25 Qimonda North America Corp. Memory cell programmed using a temperature controlled set pulse

Also Published As

Publication number Publication date
DE102004025975B4 (de) 2010-11-11
US20060181932A1 (en) 2006-08-17
US7180771B2 (en) 2007-02-20
CN1574093A (zh) 2005-02-02
CN100514492C (zh) 2009-07-15
US7085154B2 (en) 2006-08-01
DE102004025975A1 (de) 2004-12-30
JP2004362761A (ja) 2004-12-24
US20040246804A1 (en) 2004-12-09

Similar Documents

Publication Publication Date Title
ITMI20041046A1 (it) Dispositivo e procedimento per controllo di larghezza di impulso in un dispositivo di memoria a cambiamento di fase
ITMI20040596A1 (it) Memoria a cambiamento di fase e procedimento avente funzione di ripristino
DE60323202D1 (de) Phasenwechselspeicheranordnung
GB2418535B (en) Non-volatile memory device
DE602004020504D1 (de) Speichersteuerung
FR2858827B1 (fr) Fermeture a bloc-fenetre
NO20054517D0 (no) A motor pulse controller
ITMI20031126A1 (it) Dispositivo di memoria di massa basato su una memoria
ITBO20030376A1 (it) Sacchetto a spigoli irrigiditi
DE60319654D1 (de) Nichtflüchtiger variabler Widerstand, Speicherelement, und Skalierungsverfahren für einen nichtflüchtigen variablen Widerstand
DE602004028435D1 (de) Anzeigesteuergerät mit einem Anzeigespeicher
DE60325596D1 (de) Speicher-krafteinspritzvorrichtung
PT2452826E (pt) Elemento de segurança em película
NO20034197L (no) Sirkulasjonsstyreanordning i et borehull
GB2406668B (en) Memory management in a computing device
GB0402534D0 (en) Pressure pulse generators for use in wellbores
DE602004009274D1 (de) Speichersteuerungsvorrichtung und Steuerungsverfahren dafür
DE60319831D1 (de) Nadellose injektionsvorrichtung
DE602004008712D1 (de) Speicherbandbreiten-Steuergerät
NO20055433D0 (no) System for a utvide et rorformet element i en borebronn
EP1612865A4 (en) MAGNETORESISTIVE ELEMENT AND MAGNETIC MEMORY DEVICE
NO20053191D0 (no) System og fremgangsmate for a utvide en pulsbredde.
DE602004007208D1 (de) Speichervorrichtung mit ultrahoher Datendichte
DE60043550D1 (de) Impulsbreitensteuerschaltung
DE602004026652D1 (de) Schliessvorrichtung