CN107437425B - 用于自我参考的匹配线感测的匹配线预充电架构 - Google Patents
用于自我参考的匹配线感测的匹配线预充电架构 Download PDFInfo
- Publication number
- CN107437425B CN107437425B CN201710072642.6A CN201710072642A CN107437425B CN 107437425 B CN107437425 B CN 107437425B CN 201710072642 A CN201710072642 A CN 201710072642A CN 107437425 B CN107437425 B CN 107437425B
- Authority
- CN
- China
- Prior art keywords
- line
- precharge
- threshold
- matchline
- inverter
- 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.)
- Expired - Fee Related
Links
Images
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
- G11C7/08—Control thereof
-
- 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
Landscapes
- Read Only Memory (AREA)
- Static Random-Access Memory (AREA)
- Dram (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/164,325 US9583192B1 (en) | 2016-05-25 | 2016-05-25 | Matchline precharge architecture for self-reference matchline sensing |
US15/164,325 | 2016-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107437425A CN107437425A (zh) | 2017-12-05 |
CN107437425B true CN107437425B (zh) | 2020-12-08 |
Family
ID=58056798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710072642.6A Expired - Fee Related CN107437425B (zh) | 2016-05-25 | 2017-02-10 | 用于自我参考的匹配线感测的匹配线预充电架构 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9583192B1 (zh) |
CN (1) | CN107437425B (zh) |
DE (1) | DE102016213092A1 (zh) |
TW (1) | TWI614762B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI713051B (zh) * | 2019-10-21 | 2020-12-11 | 瑞昱半導體股份有限公司 | 內容可定址記憶體裝置 |
CN111934626B (zh) * | 2020-07-31 | 2024-02-06 | 大连理工大学 | 一种改进型的cam匹配线敏感放大器电路结构 |
CN112259144B (zh) * | 2020-10-29 | 2021-04-30 | 海光信息技术股份有限公司 | 一种静态随机存取存储器电路、存储器及电子设备 |
US11837289B2 (en) | 2021-08-31 | 2023-12-05 | International Business Machines Corporation | Compact low-leakage multi-bit compare CAM cell |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1355537A (zh) * | 2000-11-20 | 2002-06-26 | 国际商业机器公司 | 内容可寻址存储器、用于该器件的匹配检测电路及数字系统 |
CN1439160A (zh) * | 2000-05-01 | 2003-08-27 | 莫塞德技术公司 | 匹配线读出电路及方法 |
CN101635170A (zh) * | 2009-08-24 | 2010-01-27 | 中国科学院微电子研究所 | 电流灵敏放大器 |
CN101819812A (zh) * | 2009-02-24 | 2010-09-01 | 台湾积体电路制造股份有限公司 | 交错式存储器电路及交错存取存储器电路的方法 |
US7936577B1 (en) * | 2007-06-29 | 2011-05-03 | Netlogic Microsystems, Inc. | Match line precharge circuits and methods for content addressable memory (CAM) device |
CN102385899A (zh) * | 2010-08-27 | 2012-03-21 | 中芯国际集成电路制造(上海)有限公司 | 应用在存储器中的锁存放大电路及读取方法 |
CN102403018A (zh) * | 2011-11-07 | 2012-04-04 | 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 |
US8493764B2 (en) * | 2011-02-10 | 2013-07-23 | Lsi Corporation | High density CAM array architectures with adaptive current controlled match-line discharge |
CN103380463A (zh) * | 2010-12-22 | 2013-10-30 | 超威半导体公司 | 内容可寻址存储器的条件性预充电的匹配线 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7751218B2 (en) | 2006-07-14 | 2010-07-06 | International Business Machines Corporation | Self-referenced match-line sense amplifier for content addressable memories |
US7724559B2 (en) * | 2006-07-14 | 2010-05-25 | International Business Machines Corporation | Self-referenced match-line sense amplifier for content addressable memories |
US8687398B2 (en) | 2012-02-29 | 2014-04-01 | International Business Machines Corporation | Sense scheme for phase change material content addressable memory |
US9542981B2 (en) * | 2013-08-21 | 2017-01-10 | Globalfoundries Inc. | Self-timed, single-ended sense amplifier |
US9088277B2 (en) | 2013-11-08 | 2015-07-21 | International Business Machines Corporation | Leakage reduction in output driver circuits |
JP6337908B2 (ja) * | 2013-11-27 | 2018-06-06 | 株式会社ソシオネクスト | 半導体記憶装置 |
US9281023B2 (en) | 2014-01-03 | 2016-03-08 | Globalfoundries Inc. | Single ended sensing circuits for signal lines |
-
2016
- 2016-05-25 US US15/164,325 patent/US9583192B1/en active Active
- 2016-06-29 TW TW105120485A patent/TWI614762B/zh not_active IP Right Cessation
- 2016-07-18 DE DE102016213092.7A patent/DE102016213092A1/de not_active Withdrawn
-
2017
- 2017-02-10 CN CN201710072642.6A patent/CN107437425B/zh not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1439160A (zh) * | 2000-05-01 | 2003-08-27 | 莫塞德技术公司 | 匹配线读出电路及方法 |
CN1355537A (zh) * | 2000-11-20 | 2002-06-26 | 国际商业机器公司 | 内容可寻址存储器、用于该器件的匹配检测电路及数字系统 |
US7936577B1 (en) * | 2007-06-29 | 2011-05-03 | Netlogic Microsystems, Inc. | Match line precharge circuits and methods for content addressable memory (CAM) device |
CN101819812A (zh) * | 2009-02-24 | 2010-09-01 | 台湾积体电路制造股份有限公司 | 交错式存储器电路及交错存取存储器电路的方法 |
CN101635170A (zh) * | 2009-08-24 | 2010-01-27 | 中国科学院微电子研究所 | 电流灵敏放大器 |
CN102385899A (zh) * | 2010-08-27 | 2012-03-21 | 中芯国际集成电路制造(上海)有限公司 | 应用在存储器中的锁存放大电路及读取方法 |
CN103380463A (zh) * | 2010-12-22 | 2013-10-30 | 超威半导体公司 | 内容可寻址存储器的条件性预充电的匹配线 |
US8493764B2 (en) * | 2011-02-10 | 2013-07-23 | Lsi Corporation | High density CAM array architectures with adaptive current controlled match-line discharge |
CN102403018A (zh) * | 2011-11-07 | 2012-04-04 | 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 |
Also Published As
Publication number | Publication date |
---|---|
TW201742060A (zh) | 2017-12-01 |
TWI614762B (zh) | 2018-02-11 |
DE102016213092A1 (de) | 2017-11-30 |
US9583192B1 (en) | 2017-02-28 |
CN107437425A (zh) | 2017-12-05 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20201111 Address after: Singapore City Applicant after: Marvell Asia Pte. Ltd. Address before: Greater Cayman Islands, British Cayman Islands Applicant before: Kawam International Inc. Effective date of registration: 20201111 Address after: Greater Cayman Islands, British Cayman Islands Applicant after: Kawam International Inc. Address before: Hamilton, Bermuda Applicant before: Marvell International Ltd. Effective date of registration: 20201111 Address after: Hamilton, Bermuda Applicant after: Marvell International Ltd. Address before: Greater Cayman Islands, British Cayman Islands Applicant before: GLOBALFOUNDRIES Inc. |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
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: 20201208 Termination date: 20220210 |