JP4461281B2 - メモリアレイにおける特定のコラムに冗長性ウィンドウを定義するための方法及びシステム - Google Patents
メモリアレイにおける特定のコラムに冗長性ウィンドウを定義するための方法及びシステム Download PDFInfo
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- JP4461281B2 JP4461281B2 JP2004555276A JP2004555276A JP4461281B2 JP 4461281 B2 JP4461281 B2 JP 4461281B2 JP 2004555276 A JP2004555276 A JP 2004555276A JP 2004555276 A JP2004555276 A JP 2004555276A JP 4461281 B2 JP4461281 B2 JP 4461281B2
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- Prior art keywords
- column
- redundancy
- memory
- array
- columns
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/78—Masking faults in memories by using spares or by reconfiguring using programmable devices
- G11C29/80—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout
- G11C29/804—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved layout to prevent clustered faults
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
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- For Increasing The Reliability Of Semiconductor Memories (AREA)
Description
Claims (10)
- メモリセルの複数のコラムを含むメモリアレイに冗長性を与える方法(600)であって、
前記メモリアレイの欠陥コラムを識別し(610)、
前記欠陥コラムを含む隣接コラムグループを選択することによって冗長性ウィンドウを定義し(620)、
前記グループにおけるコラム数は、前記メモリアレイに結合された冗長性アレイのコラム数に従って判断され、
前記グループは、前記欠陥コラムの一方側に少なくとも第1コラムがあり、前記欠陥コラムの他方側に第2コラムがあるように選択され、かつ、
前記第2コラムのメモリセル及び前記第1コラムのメモリセルをプログラミングする(630)、方法。 - 前記複数のコラムは、別々の入力/出力(I/O)グループ(0,1)に編成され、I/Oグループ内のコラムは対応するI/Oパッド(401,402)に結合される、
請求項1記載の方法。 - 前記メモリアレイに結合された前記冗長アレイに記録された情報を読出し(810)、
前記情報がいずれの前記I/Oグループと関連付けられるかを判断する(820)、
請求項2記載の方法。 - 前記プログラミングでは、機能メモリセルを前記冗長性ウィンドウにプログラミングする(630)、請求項1記載の方法。
- 前記冗長性ウィンドウは、前記欠陥コラムが前記隣接コラムグループのおおよそ中間に位置するように定義される、
請求項1記載の方法。 - 前記第1コラムは、前記冗長性ウィンドウの一方の境界に配置され、前記第2コラムは前記冗長性ウィンドウの他の境界に配置される、
請求項1記載の方法。 - 前記冗長性ウィンドウは、前記冗長性ウィンドウの境界に対応するアドレスを特定することによって定義される、
請求項1記載の方法。 - メモリアレイにおけるメモリロケーションに関するアドレスを受信し(710)、
前記アドレスに対応する実際のメモリロケーションを判断し(720)、前記実際のメモリロケーションは、前記メモリアレイか、あるいは前記冗長性アレイの何れかに位置する、請求項1記載の方法。 - 前記冗長性アレイにおける情報を読出し(750)、
前記アドレスに対応する前記メモリロケーションにおいて前記メモリアレイにおける情報を読出し(760)、かつ、
前記実際のメモリロケーションに従って、前記冗長性アレイから読出された前記情報と、前記メモリアレイからリードされた情報と、の間で選択を行う(770)、
請求項8記載の方法。 - メモリアレイにメモリ冗長性を与える方法(600)であって、
前記メモリアレイの欠陥コラムを選択し(610)、前記メモリアレイは、メモリセルの複数のコラムを有し、この複数のコラムは、個別の入力/出力(I/O)グループとして編成され、I/Oグループにおけるコラムは、対応するI/Oノードに結合されるものであり、
前記欠陥コラムを含む隣接コラムグループを選択することによって冗長性ウィンドウを確立し(620)、前記隣接コラムグループにおけるコラム数は、前記メモリアレイに結合された冗長性アレイにおけるコラム数に従って判断され、前記隣接コラムグループは、前記欠陥コラムの一方側に少なくとも第1コラムがあり、前記欠陥コラムの他方側に第2コラムがあるよう選択され、前記隣接コラムグループは、2つの隣接するI/Oグループからのコラムを含むものである、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/305,700 US7076703B1 (en) | 2002-11-26 | 2002-11-26 | Method and system for defining a redundancy window around a particular column in a memory array |
PCT/US2003/022003 WO2004049350A1 (en) | 2002-11-26 | 2003-07-10 | Method and system for defining a redundancy window around a particular column in a memory array |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006507622A JP2006507622A (ja) | 2006-03-02 |
JP4461281B2 true JP4461281B2 (ja) | 2010-05-12 |
Family
ID=32392450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004555276A Expired - Lifetime JP4461281B2 (ja) | 2002-11-26 | 2003-07-10 | メモリアレイにおける特定のコラムに冗長性ウィンドウを定義するための方法及びシステム |
Country Status (9)
Country | Link |
---|---|
US (1) | US7076703B1 (ja) |
EP (1) | EP1568045B1 (ja) |
JP (1) | JP4461281B2 (ja) |
KR (1) | KR100949198B1 (ja) |
CN (1) | CN100477012C (ja) |
AU (1) | AU2003256533A1 (ja) |
DE (1) | DE60330499D1 (ja) |
TW (1) | TW200409142A (ja) |
WO (1) | WO2004049350A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9626437B2 (en) * | 2004-06-10 | 2017-04-18 | International Business Machines Corporation | Search scheduling and delivery tool for scheduling a search using a search framework profile |
US7493594B2 (en) * | 2005-03-14 | 2009-02-17 | Research In Motion | System and method for designing component based applications |
US8471328B2 (en) | 2010-07-26 | 2013-06-25 | United Microelectronics Corp. | Non-volatile memory and manufacturing method thereof |
TWI605462B (zh) * | 2016-05-11 | 2017-11-11 | 慧榮科技股份有限公司 | 資料儲存媒體之損壞資料行的篩選方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06111596A (ja) | 1990-10-09 | 1994-04-22 | Texas Instr Inc <Ti> | メモリ |
JP3076195B2 (ja) | 1994-04-27 | 2000-08-14 | 日本電気株式会社 | 不揮発性半導体記憶装置 |
US5559742A (en) | 1995-02-23 | 1996-09-24 | Micron Technology, Inc. | Flash memory having transistor redundancy |
US5502676A (en) * | 1995-04-24 | 1996-03-26 | Motorola, Inc. | Integrated circuit memory with column redundancy having shared read global data lines |
KR100268433B1 (ko) * | 1997-12-29 | 2000-10-16 | 윤종용 | 열 리던던시 구조를 가지는 반도체 메모리 장치 |
US5970000A (en) | 1998-02-02 | 1999-10-19 | International Business Machines Corporation | Repairable semiconductor integrated circuit memory by selective assignment of groups of redundancy elements to domains |
US6381174B1 (en) | 2001-03-12 | 2002-04-30 | Micron Technology, Inc. | Non-volatile memory device with redundant columns |
-
2002
- 2002-11-26 US US10/305,700 patent/US7076703B1/en not_active Expired - Lifetime
-
2003
- 2003-07-10 AU AU2003256533A patent/AU2003256533A1/en not_active Abandoned
- 2003-07-10 EP EP03811999A patent/EP1568045B1/en not_active Expired - Lifetime
- 2003-07-10 CN CNB038254069A patent/CN100477012C/zh not_active Expired - Lifetime
- 2003-07-10 JP JP2004555276A patent/JP4461281B2/ja not_active Expired - Lifetime
- 2003-07-10 KR KR1020057009465A patent/KR100949198B1/ko not_active IP Right Cessation
- 2003-07-10 DE DE60330499T patent/DE60330499D1/de not_active Expired - Lifetime
- 2003-07-10 WO PCT/US2003/022003 patent/WO2004049350A1/en active Application Filing
- 2003-08-22 TW TW092123111A patent/TW200409142A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
US7076703B1 (en) | 2006-07-11 |
EP1568045B1 (en) | 2009-12-09 |
CN100477012C (zh) | 2009-04-08 |
CN1701391A (zh) | 2005-11-23 |
KR20050085149A (ko) | 2005-08-29 |
AU2003256533A1 (en) | 2004-06-18 |
EP1568045A1 (en) | 2005-08-31 |
TW200409142A (en) | 2004-06-01 |
KR100949198B1 (ko) | 2010-03-23 |
WO2004049350A1 (en) | 2004-06-10 |
JP2006507622A (ja) | 2006-03-02 |
DE60330499D1 (de) | 2010-01-21 |
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