CN100530423C - 存储器装置 - Google Patents
存储器装置 Download PDFInfo
- Publication number
- CN100530423C CN100530423C CNB2006100050858A CN200610005085A CN100530423C CN 100530423 C CN100530423 C CN 100530423C CN B2006100050858 A CNB2006100050858 A CN B2006100050858A CN 200610005085 A CN200610005085 A CN 200610005085A CN 100530423 C CN100530423 C CN 100530423C
- Authority
- CN
- China
- Prior art keywords
- memory cell
- storage arrangement
- unit
- dummy unit
- resistance value
- 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
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Classifications
-
- 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
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/406—Management or control of the refreshing or charge-regeneration cycles
-
- 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
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4099—Dummy cell treatment; Reference voltage generators
-
- 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
- G11C13/0004—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
- 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
- G11C13/0033—Disturbance prevention or evaluation; Refreshing of disturbed memory data
-
- 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
- G11C13/0064—Verifying circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/3418—Disturbance prevention or evaluation; Refreshing of disturbed memory data
- G11C16/3431—Circuits or methods to detect disturbed nonvolatile memory cells, e.g. which still read as programmed but with threshold less than the program verify threshold or read as erased but with threshold greater than the erase verify threshold, and to reverse the disturbance via a refreshing programming or erasing step
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/34—Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
- G11C16/349—Arrangements for evaluating degradation, retention or wearout, e.g. by counting erase cycles
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2211/00—Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C2211/401—Indexing scheme relating to cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C2211/406—Refreshing of dynamic cells
- G11C2211/4061—Calibration or ate or cycle tuning
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005011626 | 2005-01-19 | ||
JP2005011626A JP4282612B2 (ja) | 2005-01-19 | 2005-01-19 | メモリ装置及びそのリフレッシュ方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1811985A CN1811985A (zh) | 2006-08-02 |
CN100530423C true CN100530423C (zh) | 2009-08-19 |
Family
ID=36683718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100050858A Expired - Fee Related CN100530423C (zh) | 2005-01-19 | 2006-01-17 | 存储器装置 |
Country Status (4)
Country | Link |
---|---|
US (3) | US20060158948A1 (zh) |
JP (1) | JP4282612B2 (zh) |
CN (1) | CN100530423C (zh) |
DE (1) | DE102006000618A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101154444B (zh) * | 2006-09-27 | 2012-09-26 | 三星电子株式会社 | 相变存储器件及相关编程方法 |
Families Citing this family (75)
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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 |
US20070279975A1 (en) * | 2006-06-06 | 2007-12-06 | Hudgens Stephen J | Refreshing a phase change memory |
US7405964B2 (en) * | 2006-07-27 | 2008-07-29 | Qimonda North America Corp. | Integrated circuit to identify read disturb condition in memory cell |
JP2008071384A (ja) | 2006-09-12 | 2008-03-27 | Elpida Memory Inc | 半導体記憶装置 |
JPWO2008041278A1 (ja) * | 2006-09-29 | 2010-01-28 | 株式会社ルネサステクノロジ | 半導体装置 |
US7623401B2 (en) * | 2006-10-06 | 2009-11-24 | Qimonda North America Corp. | Semiconductor device including multi-bit memory cells and a temperature budget sensor |
US7679980B2 (en) * | 2006-11-21 | 2010-03-16 | Qimonda North America Corp. | Resistive memory including selective refresh operation |
US7539050B2 (en) * | 2006-11-22 | 2009-05-26 | Qimonda North America Corp. | Resistive memory including refresh operation |
US7474579B2 (en) * | 2006-12-20 | 2009-01-06 | Spansion Llc | Use of periodic refresh in medium retention memory arrays |
US8164941B2 (en) * | 2006-12-27 | 2012-04-24 | Hynix Semiconductor Inc. | Semiconductor memory device with ferroelectric device and refresh method thereof |
US7548467B2 (en) * | 2006-12-28 | 2009-06-16 | Samsung Electronics Co., Ltd. | Bias voltage generator and method generating bias voltage for semiconductor memory device |
KR100850290B1 (ko) * | 2007-01-11 | 2008-08-04 | 삼성전자주식회사 | 멀티레벨 바이어스 전압 발생기 및 이를 구비하는 반도체메모리 장치 |
TWI320180B (en) * | 2007-01-12 | 2010-02-01 | A driving method and a driving system for writing the phase change memory | |
JP2008181380A (ja) * | 2007-01-25 | 2008-08-07 | Toshiba Corp | メモリシステムおよびその制御方法 |
CN101266834B (zh) * | 2007-03-15 | 2012-07-04 | 西格斯教育资本有限责任公司 | 相变存储器的驱动方法与系统 |
KR100887138B1 (ko) * | 2007-08-10 | 2009-03-04 | 주식회사 하이닉스반도체 | 상 변화 메모리 장치의 구동 방법 |
US8767450B2 (en) | 2007-08-21 | 2014-07-01 | Samsung Electronics Co., Ltd. | Memory controllers to refresh memory sectors in response to writing signals and memory systems including the same |
KR20090086816A (ko) | 2008-02-11 | 2009-08-14 | 삼성전자주식회사 | 상변화 메모리 장치, 그것의 기록 방법, 그리고 그것을포함하는 시스템 |
US7961534B2 (en) * | 2007-09-10 | 2011-06-14 | Hynix Semiconductor Inc. | Semiconductor memory device for writing data to multiple cells simultaneously and refresh method thereof |
US7675792B2 (en) * | 2007-09-26 | 2010-03-09 | Intel Corporation | Generating reference currents compensated for process variation in non-volatile memories |
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JP5049733B2 (ja) * | 2007-10-17 | 2012-10-17 | 株式会社東芝 | 情報処理システム |
US20090046499A1 (en) * | 2008-02-05 | 2009-02-19 | Qimonda Ag | Integrated circuit including memory having limited read |
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CN102084429B (zh) * | 2009-04-10 | 2013-12-25 | 松下电器产业株式会社 | 非易失性存储元件的驱动方法和非易失性存储装置 |
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CN105023606B (zh) * | 2015-08-14 | 2018-06-26 | 中国科学院上海微系统与信息技术研究所 | 一种相变存储器及其恢复数据的方法 |
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CN105810242A (zh) * | 2016-03-02 | 2016-07-27 | 中国科学院上海微系统与信息技术研究所 | 一种相变存储器和提高其疲劳寿命的操作方法 |
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CN105931665B (zh) * | 2016-04-19 | 2020-06-09 | 中国科学院上海微系统与信息技术研究所 | 一种相变存储器读出电路及方法 |
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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 |
-
2005
- 2005-01-19 JP JP2005011626A patent/JP4282612B2/ja not_active Expired - Fee Related
-
2006
- 2006-01-02 DE DE102006000618A patent/DE102006000618A1/de not_active Withdrawn
- 2006-01-17 CN CNB2006100050858A patent/CN100530423C/zh not_active Expired - Fee Related
- 2006-01-18 US US11/333,344 patent/US20060158948A1/en not_active Abandoned
-
2008
- 2008-09-09 US US12/207,077 patent/US7580277B2/en not_active Expired - Fee Related
-
2009
- 2009-07-10 US US12/500,673 patent/US7751227B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101154444B (zh) * | 2006-09-27 | 2012-09-26 | 三星电子株式会社 | 相变存储器件及相关编程方法 |
Also Published As
Publication number | Publication date |
---|---|
US20090273970A1 (en) | 2009-11-05 |
JP4282612B2 (ja) | 2009-06-24 |
JP2006202383A (ja) | 2006-08-03 |
US7580277B2 (en) | 2009-08-25 |
DE102006000618A1 (de) | 2006-08-17 |
US20090010048A1 (en) | 2009-01-08 |
CN1811985A (zh) | 2006-08-02 |
US20060158948A1 (en) | 2006-07-20 |
US7751227B2 (en) | 2010-07-06 |
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