DE69416549T2 - Oszillatorschaltung, auch in Mikrorechnern und in Chipkarten verwendet - Google Patents

Oszillatorschaltung, auch in Mikrorechnern und in Chipkarten verwendet

Info

Publication number
DE69416549T2
DE69416549T2 DE69416549T DE69416549T DE69416549T2 DE 69416549 T2 DE69416549 T2 DE 69416549T2 DE 69416549 T DE69416549 T DE 69416549T DE 69416549 T DE69416549 T DE 69416549T DE 69416549 T2 DE69416549 T2 DE 69416549T2
Authority
DE
Germany
Prior art keywords
microcomputers
oscillator circuit
chip cards
cards
chip
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
Application number
DE69416549T
Other languages
English (en)
Other versions
DE69416549D1 (de
Inventor
Hisashi Ohno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69416549D1 publication Critical patent/DE69416549D1/de
Publication of DE69416549T2 publication Critical patent/DE69416549T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0315—Ring oscillators
DE69416549T 1993-07-15 1994-07-13 Oszillatorschaltung, auch in Mikrorechnern und in Chipkarten verwendet Expired - Fee Related DE69416549T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5175323A JPH0730378A (ja) 1993-07-15 1993-07-15 発振回路

Publications (2)

Publication Number Publication Date
DE69416549D1 DE69416549D1 (de) 1999-03-25
DE69416549T2 true DE69416549T2 (de) 1999-08-12

Family

ID=15994076

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69416549T Expired - Fee Related DE69416549T2 (de) 1993-07-15 1994-07-13 Oszillatorschaltung, auch in Mikrorechnern und in Chipkarten verwendet

Country Status (4)

Country Link
US (1) US5424690A (de)
EP (1) EP0634837B1 (de)
JP (1) JPH0730378A (de)
DE (1) DE69416549T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3140623B2 (ja) * 1993-12-20 2001-03-05 富士通株式会社 発振回路装置
WO1997000493A2 (en) * 1995-06-16 1997-01-03 Rohm Co., Ltd. Semiconductor device, ic card utilizing the same and communication system
DE69531349D1 (de) * 1995-10-31 2003-08-28 St Microelectronics Srl Spannungsgenerator für nichtflüchtige elektrisch-programmierbare Speicherzellen
US6052013A (en) * 1998-04-21 2000-04-18 Vanguard International Semiconductor Corporation Apparatus for generating a timing signal
KR100354904B1 (ko) * 1998-05-19 2002-12-26 삼성전자 주식회사 광시야각액정표시장치
TW483251B (en) * 2000-11-23 2002-04-11 Macronix Int Co Ltd Clock generator with stable frequency
KR100353544B1 (en) * 2000-12-27 2002-09-27 Hynix Semiconductor Inc Circuit for generating internal supply voltage of semiconductor memory device
US6952117B2 (en) * 2002-03-08 2005-10-04 Micron Technology Inc. Distributed clock generator for semiconductor devices and related method of operating semiconductor devices
US6888406B2 (en) * 2002-08-12 2005-05-03 Microtune (Texas), L.P. Highly linear variable gain amplifier
US6809960B2 (en) * 2002-08-26 2004-10-26 Micron Technology, Inc. High speed low voltage driver
JP2004096237A (ja) 2002-08-29 2004-03-25 Nec Electronics Corp 発振回路及び半導体集積回路
US7667549B2 (en) * 2007-04-26 2010-02-23 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and driving method thereof
KR100983771B1 (ko) 2008-05-19 2010-09-27 덴소풍성전자(주) 저 전압용 링 발진기
KR101679430B1 (ko) * 2010-09-30 2016-11-25 삼성전자주식회사 휴대단말기에서 심카드의 삽입을 인식하는 방법 및 장치
GB2583353B (en) * 2019-04-24 2023-04-12 Pragmatic Printing Ltd An oscillator with improved frequency stability

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536720A (en) * 1983-11-14 1985-08-20 International Business Machines Corporation Programmable oscillator with power down feature and frequency adjustment
DE3401610A1 (de) * 1984-01-18 1985-07-18 Siemens AG, 1000 Berlin und 8000 München Integrierte halbleiterschaltung mit einem ringoszillator
JPS6143814A (ja) * 1984-08-07 1986-03-03 Mitsubishi Electric Corp 発振回路
US5030853A (en) * 1990-03-21 1991-07-09 Thunderbird Technologies, Inc. High speed logic and memory family using ring segment buffer
JP2557271B2 (ja) * 1990-04-06 1996-11-27 三菱電機株式会社 内部降圧電源電圧を有する半導体装置における基板電圧発生回路
JPH04172711A (ja) * 1990-11-06 1992-06-19 Mitsubishi Electric Corp 半導体遅延回路
US5081428A (en) * 1991-03-29 1992-01-14 Codex Corp. Voltage controlled oscillator having 50% duty cycle clock
JPH06169237A (ja) * 1991-09-13 1994-06-14 Mitsubishi Electric Corp リングオシレータ回路
US5191232A (en) * 1992-03-17 1993-03-02 Silicon Storage Technology, Inc. High frequency voltage multiplier for an electrically erasable and programmable memory device

Also Published As

Publication number Publication date
EP0634837A3 (de) 1995-08-30
EP0634837B1 (de) 1999-02-17
EP0634837A2 (de) 1995-01-18
US5424690A (en) 1995-06-13
DE69416549D1 (de) 1999-03-25
JPH0730378A (ja) 1995-01-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee