KR100464947B1 - 디램의리프레시방법 - Google Patents
디램의리프레시방법 Download PDFInfo
- Publication number
- KR100464947B1 KR100464947B1 KR10-1998-0061064A KR19980061064A KR100464947B1 KR 100464947 B1 KR100464947 B1 KR 100464947B1 KR 19980061064 A KR19980061064 A KR 19980061064A KR 100464947 B1 KR100464947 B1 KR 100464947B1
- Authority
- KR
- South Korea
- Prior art keywords
- line
- memory cell
- word line
- bit line
- word
- Prior art date
Links
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
- G11C11/403—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 with charge regeneration common to a multiplicity of memory cells, i.e. external refresh
-
- 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
- G11C11/4094—Bit-line management or control circuits
-
- 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
- G11C11/4091—Sense or sense/refresh amplifiers, or associated sense circuitry, e.g. for coupled bit-line precharging, equalising or isolating
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/06—Sense amplifiers; Associated circuits, e.g. timing or triggering circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/12—Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
Abstract
Description
Claims (3)
- 다수의 워드라인 및 다수의 비트라인과 그에 접속된 다수의 메모리 셀을 포함하는 다수의 메모리 셀 어레이와, 다수의 감지증폭기 및 그와 비트라인의 접속을 제어하기 위한 다수의 비트라인 선택라인을 포함하는 감지증폭기 어레이를 구비하는 디램의 리프레시 방법에 있어서,제1 메모리 셀 어레이에 포함된 제1 워드라인을 활성화시키는 제1 단계;상기 제1 워드라인의 활성화에 응답하여 상기 제1 메모리 셀 어레이에 대응하는 제1 비트라인 선택라인을 활성화시키는 제2 단계;상기 제1 워드라인에 접속된 메모리 셀의 데이터를 리프레시하는 제3 단계;상기 제1 워드라인을 비활성화시키는 제4 단계;상기 제1 비트라인 선택라인이 활성화된 상태에서 상기 제1 메모리 셀 어레이에 포함된 나머지 워드라인에 대하여 순차적으로 상기 제1, 제3 및 제4 단계를 수행하는 제5 단계;상기 제5 단계 수행 후, 상기 제1 비트라인 선택라인을 비활성화시키는 제6 단계; 및제2 메모리 셀 어레이에 대하여 상기 제1 내지 제6 단계를 수행하는 제7 단계를 포함하는 디램의 리프레시 방법.
- 제1항에 있어서,소정의 워드라인의 활성화 이후 그 워드라인의 비활성화 전에 외부로부터 리프레시 모드 탈출 명령을 수신하면, 상기 워드라인의 비활성화가 완료되는 시점에 응답하여 현재 활성화된 비트라인 선택라인을 비활성화시키는 것을 특징으로 하는 디램의 리프레시 방법.
- 제1항에 있어서,소정의 워드라인의 비활성화 이후 다음 워드라인의 활성화 전에 외부로부터 리프레시 모드 탈출 명령을 수신하면, 상기 리프레시 모드 탈출 명령에 응답하여 현재 활성화된 비트라인 선택라인을 비활성화시키는 것을 특징으로 하는 디램의 리프레시 방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0061064A KR100464947B1 (ko) | 1998-12-30 | 1998-12-30 | 디램의리프레시방법 |
US09/474,872 US6392911B1 (en) | 1998-12-30 | 1999-12-29 | Reduced power bit line selection in memory circuits |
TW088123437A TW451224B (en) | 1998-12-30 | 1999-12-31 | Reduced power bit line selection in memory circuits |
JP164A JP2000195258A (ja) | 1998-12-30 | 2000-01-04 | メモリ回路、メモリ回路及び素子の動作方法、ビットライン制御スイッチングの減少方法、メモリ回路におけるビットライン制御スイッチングを減少させるビットライン選択制御器 |
US10/056,428 US6580651B2 (en) | 1998-12-30 | 2002-01-23 | Reduced power bit line selection in memory circuits |
US10/424,202 US6741506B2 (en) | 1998-12-30 | 2003-04-25 | Reduced power bit line selection in memory circuits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0061064A KR100464947B1 (ko) | 1998-12-30 | 1998-12-30 | 디램의리프레시방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000044565A KR20000044565A (ko) | 2000-07-15 |
KR100464947B1 true KR100464947B1 (ko) | 2005-05-20 |
Family
ID=19567820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0061064A KR100464947B1 (ko) | 1998-12-30 | 1998-12-30 | 디램의리프레시방법 |
Country Status (4)
Country | Link |
---|---|
US (3) | US6392911B1 (ko) |
JP (1) | JP2000195258A (ko) |
KR (1) | KR100464947B1 (ko) |
TW (1) | TW451224B (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5257233A (en) * | 1990-10-31 | 1993-10-26 | Micron Technology, Inc. | Low power memory module using restricted RAM activation |
KR100516695B1 (ko) * | 1999-12-30 | 2005-09-22 | 주식회사 하이닉스반도체 | 반도체 메모리 소자의 로오 액티브 방법 |
US6501695B1 (en) * | 2002-01-11 | 2002-12-31 | Lsi Logic Corporation | Technique for the reduction of memory access time variation |
US6917552B2 (en) * | 2002-03-05 | 2005-07-12 | Renesas Technology Corporation | Semiconductor device using high-speed sense amplifier |
WO2004081945A1 (ja) * | 2003-03-14 | 2004-09-23 | Fujitsu Limited | 半導体記憶装置、および半導体記憶装置の制御方法 |
US7245549B2 (en) | 2003-03-14 | 2007-07-17 | Fujitsu Limited | Semiconductor memory device and method of controlling the semiconductor memory device |
US6862238B1 (en) | 2003-09-25 | 2005-03-01 | Infineon Technologies Ag | Memory system with reduced refresh current |
WO2005088642A1 (ja) * | 2004-03-11 | 2005-09-22 | Fujitsu Limited | 半導体メモリ |
KR100736648B1 (ko) * | 2005-03-08 | 2007-07-09 | 후지쯔 가부시끼가이샤 | 반도체 기억 장치 및 반도체 기억 장치의 제어 방법 |
US7158434B2 (en) * | 2005-04-29 | 2007-01-02 | Infineon Technologies, Ag | Self-refresh circuit with optimized power consumption |
NL1034221C2 (nl) * | 2007-08-02 | 2009-02-03 | Sekisui Alveo Ag | Kunstgrasveldsysteem in het bijzonder geschikt voor sportvelden, voorzien van een sporttechnische laag, alsmede een dergelijke sporttechnische laag. |
JP4962206B2 (ja) * | 2007-08-10 | 2012-06-27 | 富士通セミコンダクター株式会社 | 半導体記憶装置及びワードデコーダ制御方法 |
US8364889B2 (en) | 2010-05-28 | 2013-01-29 | International Business Machines Corporation | Dynamic row-width memory |
US8451675B2 (en) | 2011-03-31 | 2013-05-28 | Mosys, Inc. | Methods for accessing DRAM cells using separate bit line control |
US8681574B2 (en) * | 2011-03-31 | 2014-03-25 | Mosys, Inc. | Separate pass gate controlled sense amplifier |
TWI552162B (zh) * | 2014-07-31 | 2016-10-01 | Zhi-Cheng Xiao | Low power memory |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01171195A (ja) * | 1987-12-25 | 1989-07-06 | Sony Corp | メモリ装置 |
KR0141495B1 (ko) * | 1988-11-01 | 1998-07-15 | 미다 가쓰시게 | 반도체 기억장치 및 그 결함구제방법 |
JP3302796B2 (ja) * | 1992-09-22 | 2002-07-15 | 株式会社東芝 | 半導体記憶装置 |
JP3476231B2 (ja) * | 1993-01-29 | 2003-12-10 | 三菱電機エンジニアリング株式会社 | 同期型半導体記憶装置および半導体記憶装置 |
US5499218A (en) * | 1995-01-31 | 1996-03-12 | Goldstar Electron Co., Ltd. | Method for driving bit line selecting signals |
JP3714489B2 (ja) * | 1995-03-03 | 2005-11-09 | 株式会社日立製作所 | ダイナミック型ramとメモリモジュール |
KR0166843B1 (ko) * | 1995-12-27 | 1999-02-01 | 문정환 | 저소비 전력의 디램 비트라인 선택회로 |
US5774408A (en) * | 1997-01-28 | 1998-06-30 | Micron Technology, Inc. | DRAM architecture with combined sense amplifier pitch |
KR100272161B1 (ko) * | 1997-02-05 | 2000-12-01 | 윤종용 | 반도체메모리장치의고립게이트제어방법및회로 |
JPH10308100A (ja) * | 1997-05-06 | 1998-11-17 | Mitsubishi Electric Corp | 半導体記憶装置 |
US5862089A (en) * | 1997-08-14 | 1999-01-19 | Micron Technology, Inc. | Method and memory device for dynamic cell plate sensing with ac equilibrate |
US6005801A (en) * | 1997-08-20 | 1999-12-21 | Micron Technology, Inc. | Reduced leakage DRAM storage unit |
JP4156706B2 (ja) * | 1998-05-29 | 2008-09-24 | 株式会社東芝 | 半導体記憶装置 |
JP2000067595A (ja) * | 1998-06-09 | 2000-03-03 | Mitsubishi Electric Corp | 半導体記憶装置 |
DE19844402C2 (de) * | 1998-09-28 | 2002-11-14 | Infineon Technologies Ag | Integrierter Speicher mit primären und sekundären Leseverstärkern |
KR100516695B1 (ko) * | 1999-12-30 | 2005-09-22 | 주식회사 하이닉스반도체 | 반도체 메모리 소자의 로오 액티브 방법 |
JP3948183B2 (ja) * | 2000-02-24 | 2007-07-25 | 富士通株式会社 | 半導体記憶装置 |
-
1998
- 1998-12-30 KR KR10-1998-0061064A patent/KR100464947B1/ko not_active IP Right Cessation
-
1999
- 1999-12-29 US US09/474,872 patent/US6392911B1/en not_active Expired - Lifetime
- 1999-12-31 TW TW088123437A patent/TW451224B/zh not_active IP Right Cessation
-
2000
- 2000-01-04 JP JP164A patent/JP2000195258A/ja active Pending
-
2002
- 2002-01-23 US US10/056,428 patent/US6580651B2/en not_active Expired - Lifetime
-
2003
- 2003-04-25 US US10/424,202 patent/US6741506B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
DRAM의설계 ,유회준 저, Page 69-70 * |
Also Published As
Publication number | Publication date |
---|---|
US20020067643A1 (en) | 2002-06-06 |
JP2000195258A (ja) | 2000-07-14 |
KR20000044565A (ko) | 2000-07-15 |
US6580651B2 (en) | 2003-06-17 |
US6741506B2 (en) | 2004-05-25 |
US20030223267A1 (en) | 2003-12-04 |
US6392911B1 (en) | 2002-05-21 |
TW451224B (en) | 2001-08-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100464947B1 (ko) | 디램의리프레시방법 | |
US7057960B1 (en) | Method and architecture for reducing the power consumption for memory devices in refresh operations | |
KR100355226B1 (ko) | 뱅크별로 선택적인 셀프 리프레쉬가 가능한 동적 메모리장치 | |
US7180808B2 (en) | Semiconductor memory device for performing refresh operation | |
KR20160093988A (ko) | 구동회로 및 구동회로를 이용한 구동방법 | |
KR19990078379A (ko) | 디코딩 오토리프레시 모드를 가지는 디램 | |
US7668034B2 (en) | Power voltage supplier of semiconductor memory device | |
CN108255751B (zh) | 用于控制刷新操作的存储器装置及包括其的自刷新控制器 | |
KR100695524B1 (ko) | 반도체메모리소자 및 그의 구동방법 | |
KR20030061876A (ko) | 유니-트랜지스터 랜덤 액세스 메모리 장치 및 그것의읽기, 쓰기 그리고 리프레쉬 방법 | |
EP3355308B1 (en) | Memory devices and operation methods thereof | |
US6175535B1 (en) | Cycle control circuit for extending a cycle period of a dynamic memory device subarray | |
KR20050004479A (ko) | 독출 방지 기능을 갖는 반도체 메모리 장치 | |
JP4470184B2 (ja) | 半導体記憶装置 | |
US7535785B2 (en) | Semiconductor memory apparatus having plurality of sense amplifier arrays having different activation timing | |
KR100543914B1 (ko) | 리프레쉬 동작시 피크 전류를 줄일 수 있는 반도체 메모리장치 | |
KR100756778B1 (ko) | Psram의 로우 액티브 제어회로 | |
JP4703010B2 (ja) | 半導体メモリディバイス | |
KR100419993B1 (ko) | 유니-트랜지스터 랜덤 액세스 메모리 장치 및 그것의 제어방법 | |
US20230221871A1 (en) | Memory device and operating method thereof | |
KR20030075579A (ko) | 반도체 메모리 장치 | |
KR102106234B1 (ko) | 휘발성 메모리 장치 및 휘발성 메모리 장치에서의 효율적인 벌크 데이터 이동과 백업 동작을 위한 방법 | |
JPH11306753A (ja) | 半導体記憶装置 | |
JP2002260383A (ja) | 半導体記憶装置 | |
KR100569562B1 (ko) | Psram의 액티브 제어회로 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
J201 | Request for trial against refusal decision | ||
AMND | Amendment | ||
B601 | Maintenance of original decision after re-examination before a trial | ||
J301 | Trial decision |
Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20020814 Effective date: 20041030 |
|
S901 | Examination by remand of revocation | ||
GRNO | Decision to grant (after opposition) | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121121 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20131122 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20141126 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20151120 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20161125 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20171124 Year of fee payment: 14 |
|
LAPS | Lapse due to unpaid annual fee |