CN103415889B - 相变存储器中的单元状态确定 - Google Patents
相变存储器中的单元状态确定 Download PDFInfo
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- CN103415889B CN103415889B CN201280012580.5A CN201280012580A CN103415889B CN 103415889 B CN103415889 B CN 103415889B CN 201280012580 A CN201280012580 A CN 201280012580A CN 103415889 B CN103415889 B CN 103415889B
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0004—Digital 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
-
- 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
- G11C11/56—Digital 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
- G11C11/5678—Digital 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/004—Reading or sensing circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0061—Timing circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/0069—Writing or programming circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
- G11C27/005—Electric analogue stores, e.g. for storing instantaneous values with non-volatile charge storage, e.g. on floating gate or MNOS
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0021—Auxiliary circuits
- G11C13/004—Reading or sensing circuits or methods
- G11C2013/005—Read using potential difference applied between cell electrodes
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11157698 | 2011-03-10 | ||
EP11157698.9 | 2011-03-10 | ||
PCT/IB2012/050848 WO2012120401A1 (en) | 2011-03-10 | 2012-02-24 | Cell-state determination in phase-change memory |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103415889A CN103415889A (zh) | 2013-11-27 |
CN103415889B true CN103415889B (zh) | 2017-02-15 |
Family
ID=46795462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280012580.5A Expired - Fee Related CN103415889B (zh) | 2011-03-10 | 2012-02-24 | 相变存储器中的单元状态确定 |
Country Status (4)
Country | Link |
---|---|
US (2) | US8755214B2 (zh) |
EP (1) | EP2684193B1 (zh) |
CN (1) | CN103415889B (zh) |
WO (1) | WO2012120401A1 (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2502553A (en) * | 2012-05-30 | 2013-12-04 | Ibm | Read measurements of resistive memory cells |
GB201215339D0 (en) * | 2012-08-29 | 2012-10-10 | Ibm | Level placement in solid-state memory |
GB2510339A (en) * | 2013-01-30 | 2014-08-06 | Ibm | Method and apparatus for read measurement of a plurality of resistive memory cells |
GB2518632A (en) * | 2013-09-26 | 2015-04-01 | Ibm | Estimation of level-thresholds for memory cells |
GB2524534A (en) * | 2014-03-26 | 2015-09-30 | Ibm | Determining a cell state of a resistive memory cell |
WO2016068980A1 (en) | 2014-10-31 | 2016-05-06 | Hewlett Packard Enterprise Development Lp | Sensing circuit for resistive memory |
US9666273B2 (en) * | 2015-06-18 | 2017-05-30 | International Business Machines Corporation | Determining a cell state of a resistive memory cell |
TWI595334B (zh) * | 2015-08-03 | 2017-08-11 | 旺宏電子股份有限公司 | 計時裝置及計時方法 |
US9520189B1 (en) | 2015-10-29 | 2016-12-13 | International Business Machines Corporation | Enhanced temperature compensation for resistive memory cell circuits |
KR102619682B1 (ko) * | 2016-12-13 | 2023-12-28 | 삼성전자주식회사 | 메모리 장치 및 그 동작 방법 |
US10269413B1 (en) | 2017-10-17 | 2019-04-23 | R&D 3 Llc | Memory device having variable impedance memory cells and time-to-transition sensing of data stored therein |
US11501826B2 (en) | 2017-10-17 | 2022-11-15 | R&D3 Llc | Memory device having variable impedance memory cells and time-to-transition sensing of data stored therein |
US12014770B2 (en) | 2017-10-17 | 2024-06-18 | R&D3 Llc | Memory device having variable impedance memory cells and time-to-transition sensing of data stored therein |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1699054A1 (en) * | 2005-03-03 | 2006-09-06 | STMicroelectronics S.r.l. | A memory device with a ramp-like voltage biasing structure and reduced number of reference cells |
US7505334B1 (en) * | 2008-05-28 | 2009-03-17 | International Business Machines Corporation | Measurement method for reading multi-level memory cell utilizing measurement time delay as the characteristic parameter for level definition |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6646902B2 (en) * | 2001-08-30 | 2003-11-11 | Micron Technology, Inc. | Method of retaining memory state in a programmable conductor RAM |
DE10297767T5 (de) * | 2002-08-14 | 2005-08-04 | Intel Corporation, Santa Clara | Verfahren zum Lesen eines Speichers mit einer strukturellen Phasenänderung |
KR100618836B1 (ko) * | 2004-06-19 | 2006-09-08 | 삼성전자주식회사 | 반도체 메모리 장치 및 반도체 메모리 장치의 프로그래밍방법 |
JP4189395B2 (ja) | 2004-07-28 | 2008-12-03 | シャープ株式会社 | 不揮発性半導体記憶装置及び読み出し方法 |
US7247547B2 (en) | 2005-01-05 | 2007-07-24 | International Business Machines Corporation | Method of fabricating a field effect transistor having improved junctions |
US7573775B2 (en) | 2006-02-09 | 2009-08-11 | Fujitsu Limited | Setting threshold voltages of cells in a memory block to reduce leakage in the memory block |
US7535756B2 (en) * | 2007-01-31 | 2009-05-19 | Macronix International Co., Ltd. | Method to tighten set distribution for PCRAM |
JP5539610B2 (ja) | 2007-03-02 | 2014-07-02 | ピーエスフォー ルクスコ エスエイアールエル | 相変化メモリのプログラム方法と読み出し方法 |
KR100895400B1 (ko) * | 2007-12-03 | 2009-05-06 | 주식회사 하이닉스반도체 | 상 변화 메모리 장치 |
US7986549B1 (en) * | 2008-12-29 | 2011-07-26 | Micron Technology, Inc. | Apparatus and method for refreshing or toggling a phase-change memory cell |
US7929338B2 (en) * | 2009-02-24 | 2011-04-19 | International Business Machines Corporation | Memory reading method for resistance drift mitigation |
KR101528886B1 (ko) * | 2009-04-09 | 2015-06-16 | 삼성전자주식회사 | 비휘발성 메모리 장치의 프로그램 방법 |
KR101571148B1 (ko) * | 2009-09-02 | 2015-11-23 | 삼성전자주식회사 | 저항 메모리 소자의 저항 측정 방법 및 저항 측정 시스템 |
JP4838399B2 (ja) | 2010-03-30 | 2011-12-14 | パナソニック株式会社 | 不揮発性記憶装置及び不揮発性記憶装置への書き込み方法 |
US8743605B2 (en) * | 2011-09-14 | 2014-06-03 | Apple Inc. | High-resolution readout of analog memory cells |
-
2012
- 2012-02-24 CN CN201280012580.5A patent/CN103415889B/zh not_active Expired - Fee Related
- 2012-02-24 EP EP12755289.1A patent/EP2684193B1/en active Active
- 2012-02-24 WO PCT/IB2012/050848 patent/WO2012120401A1/en active Application Filing
- 2012-03-08 US US13/415,012 patent/US8755214B2/en active Active
- 2012-08-13 US US13/573,000 patent/US8780611B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1699054A1 (en) * | 2005-03-03 | 2006-09-06 | STMicroelectronics S.r.l. | A memory device with a ramp-like voltage biasing structure and reduced number of reference cells |
US7505334B1 (en) * | 2008-05-28 | 2009-03-17 | International Business Machines Corporation | Measurement method for reading multi-level memory cell utilizing measurement time delay as the characteristic parameter for level definition |
Non-Patent Citations (1)
Title |
---|
Reliability Impact of Chalcogenide-Structure Relaxation in Phase-Change Memory(PCM) Cells-Part I: Experimental Study;Daniele Ielmini等;《IEEE TRANSACTIONS ON ELECTRON DEVICES》;20090501;第56卷(第5期);第1070~1077页 * |
Also Published As
Publication number | Publication date |
---|---|
EP2684193B1 (en) | 2019-08-14 |
EP2684193A4 (en) | 2014-11-05 |
US8755214B2 (en) | 2014-06-17 |
CN103415889A (zh) | 2013-11-27 |
EP2684193A1 (en) | 2014-01-15 |
US20120307554A1 (en) | 2012-12-06 |
WO2012120401A1 (en) | 2012-09-13 |
US8780611B2 (en) | 2014-07-15 |
US20120230097A1 (en) | 2012-09-13 |
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Effective date of registration: 20171116 Address after: Grand Cayman, Cayman Islands Patentee after: GLOBALFOUNDRIES INC. Address before: American New York Patentee before: Core USA second LLC Effective date of registration: 20171116 Address after: American New York Patentee after: Core USA second LLC Address before: New York grams of Armand Patentee before: International Business Machines Corp. |
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