CN1926634A - 半导体存储器 - Google Patents
半导体存储器 Download PDFInfo
- Publication number
- CN1926634A CN1926634A CNA2004800423496A CN200480042349A CN1926634A CN 1926634 A CN1926634 A CN 1926634A CN A2004800423496 A CNA2004800423496 A CN A2004800423496A CN 200480042349 A CN200480042349 A CN 200480042349A CN 1926634 A CN1926634 A CN 1926634A
- Authority
- CN
- China
- Prior art keywords
- semiconductor memory
- circuit
- refresh
- storage unit
- control circuit
- 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
Links
- 239000004065 semiconductor Substances 0.000 title claims description 44
- 210000004027 cell Anatomy 0.000 claims description 32
- 230000009471 action Effects 0.000 claims description 30
- 230000000694 effects Effects 0.000 claims description 28
- 210000000352 storage cell Anatomy 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 238000013507 mapping Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 9
- 230000004913 activation Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 101001077298 Homo sapiens Retinoblastoma-binding protein 5 Proteins 0.000 description 4
- 102100025192 Retinoblastoma-binding protein 5 Human genes 0.000 description 4
- 102100036550 WD repeat-containing protein 82 Human genes 0.000 description 4
- 101710093192 WD repeat-containing protein 82 Proteins 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- XJCLWVXTCRQIDI-UHFFFAOYSA-N Sulfallate Chemical compound CCN(CC)C(=S)SCC(Cl)=C XJCLWVXTCRQIDI-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 101000771599 Homo sapiens WD repeat-containing protein 5 Proteins 0.000 description 2
- 102100029445 WD repeat-containing protein 5 Human genes 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G11C11/40622—Partial refresh of memory arrays
-
- 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
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/18—Address timing or clocking circuits; Address control signal generation or management, e.g. for row address strobe [RAS] or column address strobe [CAS] signals
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Dram (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/003206 WO2005088642A1 (ja) | 2004-03-11 | 2004-03-11 | 半導体メモリ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1926634A true CN1926634A (zh) | 2007-03-07 |
CN100520964C CN100520964C (zh) | 2009-07-29 |
Family
ID=34975835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800423496A Expired - Fee Related CN100520964C (zh) | 2004-03-11 | 2004-03-11 | 半导体存储器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7327627B2 (zh) |
JP (1) | JP4532481B2 (zh) |
CN (1) | CN100520964C (zh) |
WO (1) | WO2005088642A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200721163A (en) * | 2005-09-23 | 2007-06-01 | Zmos Technology Inc | Low power memory control circuits and methods |
WO2010100673A1 (ja) * | 2009-03-04 | 2010-09-10 | 富士通セミコンダクター株式会社 | 半導体メモリおよび半導体メモリの動作方法 |
JP2011165247A (ja) * | 2010-02-08 | 2011-08-25 | Seiko Epson Corp | 電子機器 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100204542B1 (ko) * | 1995-11-09 | 1999-06-15 | 윤종용 | 멀티 서브워드라인 드라이버를 갖는 반도체 메모리장치 |
KR100205007B1 (ko) * | 1995-12-04 | 1999-06-15 | 윤종용 | 멀티-워드라인 드라이버를 갖는 반도체 메모리장치 |
JP3752288B2 (ja) * | 1995-12-11 | 2006-03-08 | 株式会社ルネサステクノロジ | 半導体記憶装置 |
KR100272161B1 (ko) * | 1997-02-05 | 2000-12-01 | 윤종용 | 반도체메모리장치의고립게이트제어방법및회로 |
JPH11203858A (ja) * | 1998-01-05 | 1999-07-30 | Mitsubishi Electric Corp | ワード線駆動回路および半導体記憶装置 |
JP3239873B2 (ja) * | 1998-01-20 | 2001-12-17 | 日本電気株式会社 | 半導体メモリ装置 |
KR100464947B1 (ko) * | 1998-12-30 | 2005-05-20 | 주식회사 하이닉스반도체 | 디램의리프레시방법 |
KR100363107B1 (ko) * | 1998-12-30 | 2003-02-20 | 주식회사 하이닉스반도체 | 반도체메모리 장치 |
JP4056173B2 (ja) | 1999-04-14 | 2008-03-05 | 富士通株式会社 | 半導体記憶装置および該半導体記憶装置のリフレッシュ方法 |
KR100516695B1 (ko) * | 1999-12-30 | 2005-09-22 | 주식회사 하이닉스반도체 | 반도체 메모리 소자의 로오 액티브 방법 |
JP2002008370A (ja) * | 2000-06-21 | 2002-01-11 | Mitsubishi Electric Corp | 半導体記憶装置 |
US6590822B2 (en) * | 2001-05-07 | 2003-07-08 | Samsung Electronics Co., Ltd. | System and method for performing partial array self-refresh operation in a semiconductor memory device |
JP2002373489A (ja) * | 2001-06-15 | 2002-12-26 | Mitsubishi Electric Corp | 半導体記憶装置 |
US6515929B1 (en) * | 2001-10-29 | 2003-02-04 | Etron Technology, Inc. | Partial refresh feature in pseudo SRAM |
JP2003346477A (ja) * | 2002-05-28 | 2003-12-05 | Internatl Business Mach Corp <Ibm> | Dramおよびそのリフレッシュ方法 |
JP2004046936A (ja) * | 2002-07-09 | 2004-02-12 | Renesas Technology Corp | 半導体記憶装置 |
JP2004227624A (ja) * | 2003-01-20 | 2004-08-12 | Seiko Epson Corp | 半導体メモリ装置のパーシャルリフレッシュ |
JP2004273029A (ja) * | 2003-03-10 | 2004-09-30 | Sony Corp | 記憶装置およびそれに用いられるリフレッシュ制御回路ならびにリフレッシュ方法 |
JP4338418B2 (ja) * | 2003-03-19 | 2009-10-07 | 富士通マイクロエレクトロニクス株式会社 | 半導体記憶装置 |
-
2004
- 2004-03-11 WO PCT/JP2004/003206 patent/WO2005088642A1/ja active Application Filing
- 2004-03-11 JP JP2006510839A patent/JP4532481B2/ja not_active Expired - Fee Related
- 2004-03-11 CN CNB2004800423496A patent/CN100520964C/zh not_active Expired - Fee Related
-
2006
- 2006-06-14 US US11/452,379 patent/US7327627B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20060239106A1 (en) | 2006-10-26 |
JPWO2005088642A1 (ja) | 2008-02-21 |
WO2005088642A1 (ja) | 2005-09-22 |
JP4532481B2 (ja) | 2010-08-25 |
US7327627B2 (en) | 2008-02-05 |
CN100520964C (zh) | 2009-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: FUJITSU MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20081010 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20081010 Address after: Tokyo, Japan, Japan Applicant after: Fujitsu Microelectronics Ltd. Address before: Kanagawa Applicant before: Fujitsu Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: FUJITSU SEMICONDUCTOR CO., LTD. Free format text: FORMER NAME: FUJITSU MICROELECTRON CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Kanagawa Patentee after: Fujitsu Semiconductor Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Fujitsu Microelectronics Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: SUOSI FUTURE CO., LTD. Free format text: FORMER OWNER: FUJITSU SEMICONDUCTOR CO., LTD. Effective date: 20150512 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150512 Address after: Kanagawa Patentee after: Co., Ltd. Suo Si future Address before: Kanagawa Patentee before: Fujitsu Semiconductor Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20210311 |