JP2003504789A - 連想メモリにおける多重マッチ検出のための回路および方法 - Google Patents
連想メモリにおける多重マッチ検出のための回路および方法Info
- Publication number
- JP2003504789A JP2003504789A JP2001509044A JP2001509044A JP2003504789A JP 2003504789 A JP2003504789 A JP 2003504789A JP 2001509044 A JP2001509044 A JP 2001509044A JP 2001509044 A JP2001509044 A JP 2001509044A JP 2003504789 A JP2003504789 A JP 2003504789A
- Authority
- JP
- Japan
- Prior art keywords
- match
- signal
- level
- detection circuit
- differential amplifier
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims description 14
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims description 27
- 230000004913 activation Effects 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims 1
- 238000012937 correction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 101100524516 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RFA2 gene Proteins 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- BDEDPKFUFGCVCJ-UHFFFAOYSA-N 3,6-dihydroxy-8,8-dimethyl-1-oxo-3,4,7,9-tetrahydrocyclopenta[h]isochromene-5-carbaldehyde Chemical compound O=C1OC(O)CC(C(C=O)=C2O)=C1C1=C2CC(C)(C)C1 BDEDPKFUFGCVCJ-UHFFFAOYSA-N 0.000 description 2
- 101100033865 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RFA1 gene Proteins 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- 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
- G11C15/04—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 using semiconductor elements
-
- 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
-
- 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
- G11C7/065—Differential amplifiers of latching type
Landscapes
- Dram (AREA)
- Read Only Memory (AREA)
- Static Random-Access Memory (AREA)
- Manipulation Of Pulses (AREA)
- Amplifiers (AREA)
- Power Sources (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002277717A CA2277717C (en) | 1999-07-12 | 1999-07-12 | Circuit and method for multiple match detection in content addressable memories |
| CA2,277,717 | 1999-07-12 | ||
| PCT/CA2000/000815 WO2001004906A1 (en) | 1999-07-12 | 2000-07-12 | Circuit and method for multiple match detection in content addressable memories |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003504789A true JP2003504789A (ja) | 2003-02-04 |
| JP2003504789A5 JP2003504789A5 (enExample) | 2007-09-13 |
Family
ID=4163783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001509044A Pending JP2003504789A (ja) | 1999-07-12 | 2000-07-12 | 連想メモリにおける多重マッチ検出のための回路および方法 |
Country Status (9)
| Country | Link |
|---|---|
| US (3) | US6307798B1 (enExample) |
| JP (1) | JP2003504789A (enExample) |
| KR (1) | KR100718031B1 (enExample) |
| CN (2) | CN100576339C (enExample) |
| AU (1) | AU5959000A (enExample) |
| CA (1) | CA2277717C (enExample) |
| DE (1) | DE10084797B4 (enExample) |
| GB (1) | GB2367931B (enExample) |
| WO (1) | WO2001004906A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001357678A (ja) * | 2000-06-16 | 2001-12-26 | Hitachi Ltd | 半導体集積回路装置 |
Families Citing this family (58)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2277717C (en) * | 1999-07-12 | 2006-12-05 | Mosaid Technologies Incorporated | Circuit and method for multiple match detection in content addressable memories |
| JP4732596B2 (ja) * | 2000-03-03 | 2011-07-27 | 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 |
| CA2310295C (en) * | 2000-05-31 | 2010-10-05 | Mosaid Technologies Incorporated | Multiple match detection circuit and method |
| US6510069B2 (en) * | 2001-01-19 | 2003-01-21 | Pien Chien | Content addressable memory apparatus and method of operating the same |
| US6442054B1 (en) * | 2001-05-24 | 2002-08-27 | Integrated Device Technology, Inc. | Sense amplifier for content addressable memory |
| US6707694B2 (en) * | 2001-07-06 | 2004-03-16 | Micron Technology, Inc. | Multi-match detection circuit for use with content-addressable memories |
| US6744653B1 (en) * | 2001-10-04 | 2004-06-01 | Xiaohua Huang | CAM cells and differential sense circuits for content addressable memory (CAM) |
| KR20030034748A (ko) * | 2001-10-26 | 2003-05-09 | 삼성전자주식회사 | 멀티 연관 기억장치의 추가/삭제방법 |
| US20030090921A1 (en) * | 2001-11-15 | 2003-05-15 | Afghahi Morteza Cyrus | Content addressable memory match line sensing techniques |
| US6914839B2 (en) * | 2001-12-24 | 2005-07-05 | Intel Corporation | Self-timed sneak current cancellation |
| CA2384039C (en) * | 2001-12-28 | 2012-08-14 | Mosaid Technologies Incorporated | Low power content addressable memory architecture |
| US6717876B2 (en) * | 2001-12-28 | 2004-04-06 | Mosaid Technologies Incorporated | Matchline sensing for content addressable memories |
| US6768659B2 (en) * | 2001-12-31 | 2004-07-27 | Mosaid Technologies Incorporated | Circuit and method for reducing power usage in a content addressable memory |
| US6751110B2 (en) * | 2002-03-08 | 2004-06-15 | Micron Technology, Inc. | Static content addressable memory cell |
| KR100416623B1 (ko) * | 2002-05-03 | 2004-02-05 | 삼성전자주식회사 | 프로세스 트랙킹 회로를 구비하는 감지증폭기 인에이블신호 발생회로 및 이를 구비하는 반도체 메모리장치 |
| US6618281B1 (en) * | 2002-05-15 | 2003-09-09 | International Business Machines Corporation | Content addressable memory (CAM) with error checking and correction (ECC) capability |
| JP3742878B2 (ja) * | 2002-05-31 | 2006-02-08 | 国立大学法人広島大学 | 自己調整型ウィンナ・ラインアップ増幅器 |
| US6842358B2 (en) * | 2002-08-01 | 2005-01-11 | Netlogic Microsystems, Inc. | Content addressable memory with cascaded array |
| US7100013B1 (en) | 2002-08-30 | 2006-08-29 | Nvidia Corporation | Method and apparatus for partial memory power shutoff |
| US7006368B2 (en) * | 2002-11-07 | 2006-02-28 | Mosaid Technologies Incorporated | Mismatch-dependent power allocation technique for match-line sensing in content-addressable memories |
| US6804132B2 (en) * | 2002-11-25 | 2004-10-12 | International Business Machines Corporation | Circuit for multiple match hit CAM readout |
| US7155563B1 (en) | 2003-01-21 | 2006-12-26 | Spans Logic Inc. | Circuits to generate a sequential index for an input number in a pre-defined list of numbers |
| JPWO2004075200A1 (ja) * | 2003-02-19 | 2006-06-01 | 富士通株式会社 | メモリ装置 |
| US6924994B1 (en) | 2003-03-10 | 2005-08-02 | Integrated Device Technology, Inc. | Content addressable memory (CAM) devices having scalable multiple match detection circuits therein |
| US6816396B2 (en) * | 2003-04-01 | 2004-11-09 | International Business Machines Corporation | Apparatus for detecting multiple hits in a CAMRAM memory array |
| JP4400081B2 (ja) * | 2003-04-08 | 2010-01-20 | エルピーダメモリ株式会社 | 半導体記憶装置 |
| CA2540213C (en) * | 2003-10-11 | 2013-02-12 | Spans Logic Inc. | Memory and power efficient mechanism for fast table lookup |
| EP1909289A1 (en) * | 2005-06-28 | 2008-04-09 | Spansion LLC | Semiconductor device and control method thereof |
| US7266004B2 (en) * | 2005-10-18 | 2007-09-04 | Cisco Technology, Inc. | Identifying content-addressable memory entries differing from a lookup word in multiple but less than a predetermined number of bit positions |
| US7349230B2 (en) * | 2005-10-18 | 2008-03-25 | Cisco Technology, Inc. | Associative memory cells configured to selectively produce binary or ternary content-addressable memory lookup results |
| US7345897B2 (en) * | 2005-10-18 | 2008-03-18 | Cisco Technology, Inc. | Error protected ternary content-addressable memories and lookup operations performed thereon |
| US7372713B2 (en) * | 2006-04-17 | 2008-05-13 | Texas Instruments Incorporated | Match sensing circuit for a content addressable memory device |
| US7689889B2 (en) * | 2006-08-24 | 2010-03-30 | Cisco Technology, Inc. | Content addressable memory entry coding for error detection and correction |
| US7822916B1 (en) | 2006-10-31 | 2010-10-26 | Netlogic Microsystems, Inc. | Integrated circuit search engine devices having priority sequencer circuits therein that sequentially encode multiple match signals |
| US7477076B2 (en) * | 2006-12-04 | 2009-01-13 | International Business Machines Corporation | Low-voltage, low-power-consumption, and high-speed differential current-sense amplification |
| US7501854B2 (en) | 2006-12-07 | 2009-03-10 | International Business Machines Corporation | True/complement generator having relaxed setup time via self-resetting circuitry |
| US7600071B2 (en) | 2006-12-07 | 2009-10-06 | International Business Machines Corporation | Circuit having relaxed setup time via reciprocal clock and data gating |
| US7788443B2 (en) * | 2006-12-12 | 2010-08-31 | International Business Machines Corporation | Transparent multi-hit correction in associative memories |
| US7788444B2 (en) * | 2006-12-12 | 2010-08-31 | International Business Machines Corporation | Multi-hit detection in associative memories |
| US8254178B2 (en) * | 2007-08-27 | 2012-08-28 | Infineon Technologies Ag | Self-timed integrating differential current |
| US8255623B2 (en) * | 2007-09-24 | 2012-08-28 | Nvidia Corporation | Ordered storage structure providing enhanced access to stored items |
| US8327173B2 (en) * | 2007-12-17 | 2012-12-04 | Nvidia Corporation | Integrated circuit device core power down independent of peripheral device operation |
| US9088176B2 (en) * | 2007-12-17 | 2015-07-21 | Nvidia Corporation | Power management efficiency using DC-DC and linear regulators in conjunction |
| US9411390B2 (en) | 2008-02-11 | 2016-08-09 | Nvidia Corporation | Integrated circuit device having power domains and partitions based on use case power optimization |
| US8762759B2 (en) * | 2008-04-10 | 2014-06-24 | Nvidia Corporation | Responding to interrupts while in a reduced power state |
| US9423846B2 (en) | 2008-04-10 | 2016-08-23 | Nvidia Corporation | Powered ring to maintain IO state independent of the core of an integrated circuit device |
| KR101416879B1 (ko) | 2008-10-06 | 2014-08-07 | 삼성전자주식회사 | 비휘발성 메모리의 동작 방법 |
| FR2948809B1 (fr) * | 2009-07-31 | 2012-08-17 | St Microelectronics Rousset | Amplificateur de lecture faible puissance auto-minute |
| KR101094904B1 (ko) * | 2009-09-30 | 2011-12-15 | 주식회사 하이닉스반도체 | 기준전압 생성 회로 및 방법, 이를 이용한 상변화 메모리 장치 및 리드 방법 |
| CN101800068B (zh) * | 2010-03-10 | 2013-06-26 | 上海宏力半导体制造有限公司 | 一种读出放大电路 |
| CN102403018B (zh) * | 2011-11-07 | 2014-04-30 | 中国科学院声学研究所 | 内容可寻址存储器存储单元匹配检测方法和电路 |
| US9471395B2 (en) | 2012-08-23 | 2016-10-18 | Nvidia Corporation | Processor cluster migration techniques |
| US8947137B2 (en) | 2012-09-05 | 2015-02-03 | Nvidia Corporation | Core voltage reset systems and methods with wide noise margin |
| KR20160002106A (ko) * | 2014-06-30 | 2016-01-07 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 그의 동작방법 |
| CN105070309B (zh) * | 2015-07-20 | 2017-10-20 | 上海华虹宏力半导体制造有限公司 | 基于差分存储单元的灵敏放大器 |
| CN107919155A (zh) * | 2016-10-11 | 2018-04-17 | 复旦大学 | 一种非易失三态内容寻址存储器及其寻址方法 |
| CN110580231B (zh) * | 2018-06-08 | 2022-03-25 | 龙芯中科技术股份有限公司 | 处理电路、缓冲器、存储器及处理器 |
| JP2020077445A (ja) * | 2018-11-07 | 2020-05-21 | ソニーセミコンダクタソリューションズ株式会社 | 記憶制御装置、記憶装置、および、情報処理システム |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02201797A (ja) * | 1989-01-31 | 1990-08-09 | Toshiba Corp | 半導体メモリ装置 |
| JPH07153279A (ja) * | 1993-12-01 | 1995-06-16 | Mitsubishi Electric Corp | 多重一致検出装置 |
| US5428565A (en) * | 1994-03-11 | 1995-06-27 | Intel Corporation | Single stage sensing apparatus for a content addressable memory |
| US5446686A (en) * | 1994-08-02 | 1995-08-29 | Sun Microsystems, Inc. | Method and appartus for detecting multiple address matches in a content addressable memory |
| JPH0973795A (ja) * | 1995-09-05 | 1997-03-18 | Oki Electric Ind Co Ltd | 有意レベル数弁別回路及び連想メモリ装置 |
| JPH11273364A (ja) * | 1998-03-18 | 1999-10-08 | Kawasaki Steel Corp | 連想メモリ |
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-
1999
- 1999-07-12 CA CA002277717A patent/CA2277717C/en not_active Expired - Fee Related
-
2000
- 2000-04-24 US US09/563,066 patent/US6307798B1/en not_active Expired - Fee Related
- 2000-07-12 AU AU59590/00A patent/AU5959000A/en not_active Abandoned
- 2000-07-12 DE DE10084797T patent/DE10084797B4/de not_active Expired - Fee Related
- 2000-07-12 CN CN200710085292A patent/CN100576339C/zh not_active Expired - Fee Related
- 2000-07-12 GB GB0200364A patent/GB2367931B/en not_active Expired - Fee Related
- 2000-07-12 CN CNB008126925A patent/CN1311474C/zh not_active Expired - Fee Related
- 2000-07-12 KR KR1020027000461A patent/KR100718031B1/ko not_active Expired - Fee Related
- 2000-07-12 WO PCT/CA2000/000815 patent/WO2001004906A1/en not_active Ceased
- 2000-07-12 JP JP2001509044A patent/JP2003504789A/ja active Pending
-
2001
- 2001-09-24 US US09/960,364 patent/US6538947B2/en not_active Expired - Fee Related
-
2002
- 2002-12-10 US US10/315,118 patent/US6667924B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02201797A (ja) * | 1989-01-31 | 1990-08-09 | Toshiba Corp | 半導体メモリ装置 |
| JPH07153279A (ja) * | 1993-12-01 | 1995-06-16 | Mitsubishi Electric Corp | 多重一致検出装置 |
| US5428565A (en) * | 1994-03-11 | 1995-06-27 | Intel Corporation | Single stage sensing apparatus for a content addressable memory |
| US5446686A (en) * | 1994-08-02 | 1995-08-29 | Sun Microsystems, Inc. | Method and appartus for detecting multiple address matches in a content addressable memory |
| JPH0973795A (ja) * | 1995-09-05 | 1997-03-18 | Oki Electric Ind Co Ltd | 有意レベル数弁別回路及び連想メモリ装置 |
| JPH11273364A (ja) * | 1998-03-18 | 1999-10-08 | Kawasaki Steel Corp | 連想メモリ |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001357678A (ja) * | 2000-06-16 | 2001-12-26 | Hitachi Ltd | 半導体集積回路装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10084797T1 (de) | 2002-08-14 |
| WO2001004906A1 (en) | 2001-01-18 |
| GB2367931B (en) | 2004-03-10 |
| US20020009009A1 (en) | 2002-01-24 |
| KR20030009276A (ko) | 2003-01-29 |
| US6307798B1 (en) | 2001-10-23 |
| CN100576339C (zh) | 2009-12-30 |
| US6538947B2 (en) | 2003-03-25 |
| KR100718031B1 (ko) | 2007-05-16 |
| CN1311474C (zh) | 2007-04-18 |
| CA2277717C (en) | 2006-12-05 |
| US20030081474A1 (en) | 2003-05-01 |
| DE10084797B4 (de) | 2010-04-01 |
| CN1373890A (zh) | 2002-10-09 |
| CA2277717A1 (en) | 2001-01-12 |
| CN101030438A (zh) | 2007-09-05 |
| US6667924B2 (en) | 2003-12-23 |
| AU5959000A (en) | 2001-01-30 |
| GB0200364D0 (en) | 2002-02-20 |
| GB2367931A (en) | 2002-04-17 |
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