JP2002260389A - 連想メモリ - Google Patents
連想メモリInfo
- Publication number
- JP2002260389A JP2002260389A JP2001056392A JP2001056392A JP2002260389A JP 2002260389 A JP2002260389 A JP 2002260389A JP 2001056392 A JP2001056392 A JP 2001056392A JP 2001056392 A JP2001056392 A JP 2001056392A JP 2002260389 A JP2002260389 A JP 2002260389A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- word
- address
- cam word
- defective
- 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.)
- Pending
Links
- 230000015654 memory Effects 0.000 title claims abstract description 53
- 230000002950 deficient Effects 0.000 claims abstract description 94
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 23
- 230000006870 function Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- G11C29/84—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved access time or stability
- G11C29/848—Masking faults in memories by using spares or by reconfiguring using programmable devices with improved access time or stability by adjacent switching
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C15/00—Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores
Landscapes
- For Increasing The Reliability Of Semiconductor Memories (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001056392A JP2002260389A (ja) | 2001-03-01 | 2001-03-01 | 連想メモリ |
| US10/082,229 US6611445B2 (en) | 2001-03-01 | 2002-02-26 | Content addressable memory having redundant circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001056392A JP2002260389A (ja) | 2001-03-01 | 2001-03-01 | 連想メモリ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002260389A true JP2002260389A (ja) | 2002-09-13 |
| JP2002260389A5 JP2002260389A5 (enExample) | 2008-04-03 |
Family
ID=18916425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001056392A Pending JP2002260389A (ja) | 2001-03-01 | 2001-03-01 | 連想メモリ |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6611445B2 (enExample) |
| JP (1) | JP2002260389A (enExample) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004288347A (ja) * | 2003-03-03 | 2004-10-14 | Renesas Technology Corp | 連想メモリ |
| US7002822B2 (en) | 2003-04-25 | 2006-02-21 | Samsung Electronics Co., Ltd. | Content addressable memory device |
| JP2006309917A (ja) * | 2005-03-31 | 2006-11-09 | Renesas Technology Corp | Cam装置及びcam装置の救済方法 |
| KR100725096B1 (ko) * | 2005-05-10 | 2007-06-04 | 삼성전자주식회사 | 캠 장치 및 그의 리페어 방법 |
| JP2008257835A (ja) * | 2007-03-13 | 2008-10-23 | Renesas Technology Corp | 半導体装置 |
| JP4588114B1 (ja) * | 2010-02-18 | 2010-11-24 | 克己 井上 | 情報絞り込み検出機能を備えたメモリ、その使用方法、このメモリを含む装置。 |
| WO2011102432A1 (ja) * | 2010-02-18 | 2011-08-25 | Inoue Katsumi | 情報絞り込み検出機能を備えたメモリ、このメモリを用いた情報検出方法、このメモリを含む装置、情報の検出方法、メモリの使用方法、およびメモリアドレス比較回路 |
| JP2013191255A (ja) * | 2012-03-14 | 2013-09-26 | Renesas Electronics Corp | 内容参照メモリシステム |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002197873A (ja) * | 2000-12-27 | 2002-07-12 | Kawasaki Microelectronics Kk | 連想メモリ |
| US6714467B2 (en) * | 2002-03-19 | 2004-03-30 | Broadcom Corporation | Block redundancy implementation in heirarchical RAM's |
| JP4004847B2 (ja) * | 2002-05-08 | 2007-11-07 | 川崎マイクロエレクトロニクス株式会社 | 連想メモリ装置 |
| US6888731B2 (en) | 2002-11-29 | 2005-05-03 | Mosaid Technologies Incorporated | Method and apparatus for replacing defective rows in a semiconductor memory array |
| JP2004265528A (ja) * | 2003-03-03 | 2004-09-24 | Kawasaki Microelectronics Kk | 連想メモリ |
| US7065694B2 (en) * | 2003-09-25 | 2006-06-20 | International Business Machines Corporation | Adaptive runtime repairable entry register file |
| DE102004059206B4 (de) * | 2004-12-09 | 2016-03-31 | Polaris Innovations Ltd. | Speicherbauelement und Adressierung von Speicherzellen |
| US7996710B2 (en) * | 2007-04-25 | 2011-08-09 | Hewlett-Packard Development Company, L.P. | Defect management for a semiconductor memory system |
| US20150154317A1 (en) * | 2012-03-28 | 2015-06-04 | Katsumi Inoue | Memory provided with set operation function, and method for processing set operation processing using same |
| JP2015225675A (ja) * | 2014-05-26 | 2015-12-14 | ルネサスエレクトロニクス株式会社 | 連想メモリおよび半導体装置 |
| JP2019114311A (ja) * | 2017-12-22 | 2019-07-11 | ルネサスエレクトロニクス株式会社 | 検索メモリおよび検索システム |
| US20250383947A1 (en) * | 2024-06-17 | 2025-12-18 | Advanced Micro Devices, Inc. | Per row activation counting error handling |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09180498A (ja) * | 1995-12-25 | 1997-07-11 | Mitsubishi Electric Corp | 連想メモリ回路のテスト方法及び連想メモリ回路のテスト回路並びに冗長機能付き連想メモリ回路 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6275406B1 (en) * | 1999-09-10 | 2001-08-14 | Sibercore Technologies, Inc. | Content address memory circuit with redundant array and method for implementing the same |
-
2001
- 2001-03-01 JP JP2001056392A patent/JP2002260389A/ja active Pending
-
2002
- 2002-02-26 US US10/082,229 patent/US6611445B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09180498A (ja) * | 1995-12-25 | 1997-07-11 | Mitsubishi Electric Corp | 連想メモリ回路のテスト方法及び連想メモリ回路のテスト回路並びに冗長機能付き連想メモリ回路 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004288347A (ja) * | 2003-03-03 | 2004-10-14 | Renesas Technology Corp | 連想メモリ |
| US7002822B2 (en) | 2003-04-25 | 2006-02-21 | Samsung Electronics Co., Ltd. | Content addressable memory device |
| US7469369B2 (en) | 2005-03-31 | 2008-12-23 | Renesas Technology Corp. | Low power content-addressable-memory device |
| JP2006309917A (ja) * | 2005-03-31 | 2006-11-09 | Renesas Technology Corp | Cam装置及びcam装置の救済方法 |
| US7661042B2 (en) | 2005-03-31 | 2010-02-09 | Renesas Technology Corp. | Low-power content-addressable-memory device |
| KR100725096B1 (ko) * | 2005-05-10 | 2007-06-04 | 삼성전자주식회사 | 캠 장치 및 그의 리페어 방법 |
| JP2008257835A (ja) * | 2007-03-13 | 2008-10-23 | Renesas Technology Corp | 半導体装置 |
| JP4588114B1 (ja) * | 2010-02-18 | 2010-11-24 | 克己 井上 | 情報絞り込み検出機能を備えたメモリ、その使用方法、このメモリを含む装置。 |
| WO2011102432A1 (ja) * | 2010-02-18 | 2011-08-25 | Inoue Katsumi | 情報絞り込み検出機能を備えたメモリ、このメモリを用いた情報検出方法、このメモリを含む装置、情報の検出方法、メモリの使用方法、およびメモリアドレス比較回路 |
| WO2011102043A1 (ja) * | 2010-02-18 | 2011-08-25 | Inoue Katsumi | 情報絞り込み検出機能を備えたメモリ、その使用方法、このメモリを含む装置 |
| JP2012252368A (ja) * | 2010-02-18 | 2012-12-20 | Katsumi Inoue | 情報絞り込み検出機能を備えたメモリ、その使用方法、このメモリを含む装置。 |
| US9275734B2 (en) | 2010-02-18 | 2016-03-01 | Katsumi Inoue | Memory having information refinement detection function by applying a logic operation in parallel for each memory address to the match/mismatch results of data items and memory addresses, information detection method using memory, and memory address comparison circuit for the memory |
| JP2013191255A (ja) * | 2012-03-14 | 2013-09-26 | Renesas Electronics Corp | 内容参照メモリシステム |
Also Published As
| Publication number | Publication date |
|---|---|
| US20020122337A1 (en) | 2002-09-05 |
| US6611445B2 (en) | 2003-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080214 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080214 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101109 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20110329 |