JP5080557B2 - 耐放射線強化差動出力バッファ - Google Patents
耐放射線強化差動出力バッファ Download PDFInfo
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- JP5080557B2 JP5080557B2 JP2009503189A JP2009503189A JP5080557B2 JP 5080557 B2 JP5080557 B2 JP 5080557B2 JP 2009503189 A JP2009503189 A JP 2009503189A JP 2009503189 A JP2009503189 A JP 2009503189A JP 5080557 B2 JP5080557 B2 JP 5080557B2
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- output buffer
- differential output
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/003—Modifications for increasing the reliability for protection
- H03K19/0033—Radiation hardening
- H03K19/00338—In field effect transistor circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/028—Arrangements specific to the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0272—Arrangements for coupling to multiple lines, e.g. for differential transmission
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Logic Circuits (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Description
したがって、SEEの影響を受けやすい用途において差動出力バッファを使用することができるように当該バッファを強化することが有益である。
耐放射線強化の差動出力バッファ内のステージの数は、少なくとも1つの電流源によって供給される電流の量に基づいて選択される。複数のステージのそれぞれの出力は差動電流信号である。プリドライブ回路は、デジタル相補信号を複数のステージのそれぞれに提供する。プリドライブ回路は、デジタル相補信号を、実質的に同時に、複数の異なるドライブ段に提供する。
図1及び図2に示されている差動出力バッファ100、200等の、電流がステアリングされる差動出力バッファを使用する代わりに、総線量、線量率、及びSEE環境に関して差動出力バッファを強化するために、電圧をステアリングする方式が使用される。この差動出力バッファでは、従来のLVDS型出力バッファ及びCML型出力バッファよりもSEEに対する回復力がより大きい。電圧がステアリングされる差動出力バッファの一例が図3に示されている。
Claims (8)
- 耐放射線強化の差動出力バッファであって、
実質的に同様の入力信号を受信すると、実質的に同様の出力信号を提供するように設計されている複数のステージであって、該複数のステージのそれぞれの出力が電気的に接続されて前記差動出力バッファの出力を提供し、単一のステージが前記差動出力バッファの出力を変化させることができないように構成された、複数のステージと、
前記複数のステージに前記実質的に同様の入力信号を提供することによって、該複数のステージを制御するプリドライブ回路であって、該プリドライブ回路から前記複数のステージのそれぞれまでの距離に基づいて、該複数のステージのそれぞれに前記入力信号を供給する時点を制御することによって、前記実質的に同様の入力信号を実質的に同時に前記複数のステージのそれぞれに提供するプリドライブ回路と、
を備えることを特徴とする差動出力バッファ。 - 請求項1記載の差動出力バッファにおいて、前記複数のステージのそれぞれは、少なくとも1つの電流源と1つのブリッジ回路とを備えることを特徴とする差動出力バッファ。
- 請求項2記載の差動出力バッファにおいて、前記複数のステージのそれぞれは2つの電流源を備えることを特徴とする差動出力バッファ。
- 請求項2記載の差動出力バッファにおいて、前記ブリッジ回路は4つのトランジスタを備えることを特徴とする差動出力バッファ。
- 請求項2記載の差動出力バッファにおいて、前記ブリッジ回路は2つのトランジスタと2つの抵抗器とを備えることを特徴とする差動出力バッファ。
- 請求項2記載の差動出力バッファにおいて、前記複数のステージに含まれるステージの数は、前記少なくとも1つの電流源によって供給される電流の量に基づいて選択されることを特徴とする差動出力バッファ。
- 請求項1記載の差動出力バッファにおいて、前記複数のステージのそれぞれの前記出力信号は差動電流信号であることを特徴とする差動出力バッファ。
- 請求項1記載の差動出力バッファにおいて、前記プリドライブ回路は、デジタル相補信号を前記複数のステージのそれぞれに提供することを特徴とする差動出力バッファ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/390,740 US8115515B2 (en) | 2006-03-28 | 2006-03-28 | Radiation hardened differential output buffer |
US11/390,740 | 2006-03-28 | ||
PCT/US2007/064872 WO2007112329A2 (en) | 2006-03-28 | 2007-03-26 | Radiation hardened differential output buffer |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009531989A JP2009531989A (ja) | 2009-09-03 |
JP5080557B2 true JP5080557B2 (ja) | 2012-11-21 |
Family
ID=38352995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009503189A Active JP5080557B2 (ja) | 2006-03-28 | 2007-03-26 | 耐放射線強化差動出力バッファ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8115515B2 (ja) |
EP (1) | EP2005588B1 (ja) |
JP (1) | JP5080557B2 (ja) |
TW (1) | TW200818703A (ja) |
WO (1) | WO2007112329A2 (ja) |
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US9083341B2 (en) | 2008-01-17 | 2015-07-14 | Robust Chip Inc. | Soft error resilient circuit design method and logic cells |
US8468484B2 (en) | 2008-01-17 | 2013-06-18 | Klas Olof Lilja | Layout method for soft-error hard electronics, and radiation hardened logic cell |
US8495550B2 (en) * | 2009-01-15 | 2013-07-23 | Klas Olof Lilja | Soft error hard electronic circuit and layout |
EP2245740B8 (en) * | 2008-01-17 | 2014-10-01 | Klas Olof Lilja | Layout method for soft-error hard electronics, and radiation hardened logic cell |
US20140157223A1 (en) * | 2008-01-17 | 2014-06-05 | Klas Olof Lilja | Circuit and layout design methods and logic cells for soft error hard integrated circuits |
JP2012129810A (ja) * | 2010-12-15 | 2012-07-05 | Advantest Corp | ドライバ回路およびそれを用いた試験装置 |
US8237463B1 (en) * | 2011-02-25 | 2012-08-07 | International Business Machines Corporation | Method for managing circuit reliability |
US8390327B1 (en) * | 2011-08-19 | 2013-03-05 | Texas Instruments Incorporated | Radiation-tolerant level shifting |
US8604829B2 (en) * | 2011-09-07 | 2013-12-10 | Advanced Micro Devices, Inc. | Low-power wide-tuning range common-mode driver for serial interface transmitters |
US8866118B2 (en) * | 2012-12-21 | 2014-10-21 | Intermolecular, Inc. | Morphology control of ultra-thin MeOx layer |
US9312846B2 (en) * | 2013-07-16 | 2016-04-12 | Mediatek Inc. | Driver circuit for signal transmission and control method of driver circuit |
US9871539B2 (en) | 2013-07-16 | 2018-01-16 | Mediatek Inc. | Driver circuit for signal transmission and control method of driver circuit |
US9590610B2 (en) | 2014-12-30 | 2017-03-07 | Mediatek Inc. | Driver circuit for signal transmission and control method of driver circuit |
US9590595B2 (en) | 2015-01-08 | 2017-03-07 | Mediatek Inc. | Driver circuit with feed-forward equalizer |
CN106849935A (zh) * | 2016-12-23 | 2017-06-13 | 深圳市国微电子有限公司 | 一种时钟缓冲器驱动电路及可编程逻辑器件 |
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2006
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-
2007
- 2007-03-26 EP EP07759329A patent/EP2005588B1/en active Active
- 2007-03-26 WO PCT/US2007/064872 patent/WO2007112329A2/en active Application Filing
- 2007-03-26 JP JP2009503189A patent/JP5080557B2/ja active Active
- 2007-03-27 TW TW096110582A patent/TW200818703A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
EP2005588A2 (en) | 2008-12-24 |
US8115515B2 (en) | 2012-02-14 |
EP2005588B1 (en) | 2011-09-14 |
JP2009531989A (ja) | 2009-09-03 |
WO2007112329A3 (en) | 2007-11-29 |
TW200818703A (en) | 2008-04-16 |
WO2007112329A2 (en) | 2007-10-04 |
US20070236246A1 (en) | 2007-10-11 |
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