DE68923207D1 - Schaltung zur Verhinderung eines metastabilen Zustandes. - Google Patents

Schaltung zur Verhinderung eines metastabilen Zustandes.

Info

Publication number
DE68923207D1
DE68923207D1 DE68923207T DE68923207T DE68923207D1 DE 68923207 D1 DE68923207 D1 DE 68923207D1 DE 68923207 T DE68923207 T DE 68923207T DE 68923207 T DE68923207 T DE 68923207T DE 68923207 D1 DE68923207 D1 DE 68923207D1
Authority
DE
Germany
Prior art keywords
preventing
circuit
metastable state
metastable
state
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
DE68923207T
Other languages
English (en)
Other versions
DE68923207T2 (de
Inventor
Edward Lewis Grivna
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology International
Seagate Technology LLC
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 Seagate Technology International, Seagate Technology LLC filed Critical Seagate Technology International
Publication of DE68923207D1 publication Critical patent/DE68923207D1/de
Application granted granted Critical
Publication of DE68923207T2 publication Critical patent/DE68923207T2/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
    • H03K3/037—Bistable circuits
    • H03K3/0375—Bistable circuits provided with means for increasing reliability; for protection; for ensuring a predetermined initial state when the supply voltage has been applied; for storing the actual state when the supply voltage fails
DE68923207T 1988-03-29 1989-03-20 Schaltung zur Verhinderung eines metastabilen Zustandes. Expired - Fee Related DE68923207T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/174,641 US4851710A (en) 1988-03-29 1988-03-29 Metastable prevent circuit

Publications (2)

Publication Number Publication Date
DE68923207D1 true DE68923207D1 (de) 1995-08-03
DE68923207T2 DE68923207T2 (de) 1995-11-09

Family

ID=22636926

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923207T Expired - Fee Related DE68923207T2 (de) 1988-03-29 1989-03-20 Schaltung zur Verhinderung eines metastabilen Zustandes.

Country Status (4)

Country Link
US (1) US4851710A (de)
EP (1) EP0335547B1 (de)
JP (1) JP2944039B2 (de)
DE (1) DE68923207T2 (de)

Families Citing this family (32)

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Publication number Priority date Publication date Assignee Title
US5036221A (en) * 1989-03-31 1991-07-30 Texas Instruments Incorporated Circuit for eliminating metastable events associated with a data signal asynchronous to a clock signal
JPH0642662B2 (ja) * 1989-10-12 1994-06-01 日本電気株式会社 同期化装置
US4982118A (en) * 1989-12-13 1991-01-01 Tektronix, Inc. Data acquisition system having a metastable sense feature
US5047658A (en) * 1990-06-01 1991-09-10 Ncr Corporation High frequency asynchronous data synchronizer
US5138189A (en) * 1990-09-27 1992-08-11 National Semiconductor Asynchronous state machine synchronization circuit and method
US5365122A (en) * 1990-11-09 1994-11-15 Vlsi Technology, Inc. Meta stable resistant signal detector
US5534805A (en) * 1990-12-26 1996-07-09 Mitsubishi Denki Kabushiki Kaisha Synchronized clock generating apparatus
US5083049A (en) * 1991-05-10 1992-01-21 Ast Research, Inc. Asynchronous circuit with edge-triggered inputs
US5384493A (en) * 1991-10-03 1995-01-24 Nec Corporation Hi-speed and low-power flip-flop
WO1993019529A1 (en) * 1992-03-19 1993-09-30 Vlsi Technology Inc. Asynchronous-to-synchronous synchronizers, particularly cmos synchronizers
US5331669A (en) * 1992-05-06 1994-07-19 Ologic Corporation Asynchronous pulse converter
US5418825A (en) * 1992-09-16 1995-05-23 Texas Instruments Incorporated Time-domain boundary bridge method and apparatus
US5537655A (en) * 1992-09-28 1996-07-16 The Boeing Company Synchronized fault tolerant reset
US5522048A (en) * 1993-11-30 1996-05-28 At&T Corp. Low-power area-efficient and robust asynchronous-to-synchronous interface
US5522866A (en) * 1994-11-01 1996-06-04 Intermedics, Inc. Method and apparatus for improving the resolution of pulse position modulated communications between an implantable medical device and an external medical device
US5638015A (en) * 1995-06-21 1997-06-10 Unisys Corporation Avoiding instability
DE19629869C2 (de) * 1995-08-01 2003-02-13 Schlumberger Technologies Inc Verfahren und Vorrichtung zum Ausfluchten der relativen Phase von asychronen Taktsignalen
US5793233A (en) * 1996-05-30 1998-08-11 Sun Microsystems, Inc. Apparatus and method for generating a phase detection signal that coordinates the phases of separate clock signals
US6055285A (en) * 1997-11-17 2000-04-25 Qlogic Corporation Synchronization circuit for transferring pointer between two asynchronous circuits
US6163550A (en) * 1997-11-17 2000-12-19 Qlogic Corporation State dependent synchronization circuit which synchronizes leading and trailing edges of asynchronous input pulses
FR2775088B1 (fr) * 1998-02-19 2005-08-05 Sgs Thomson Microelectronics Circuit integre comportant un circuit maitre, fonctionnant a une premiere frequence, pour commander des circuits esclaves fonctionnant a une deuxieme frequence
SE513507C2 (sv) 1998-09-11 2000-09-25 Switchcore Ab Anordning och metod för att synkronisera data till en lokal klocka
JP3465142B2 (ja) * 2000-01-27 2003-11-10 和彦 俵 計量器を備えたケースユニット
DE10028369C2 (de) * 2000-06-08 2002-06-06 Siemens Ag Schaltungsanordnung zur Aufnahme eines Eingangssignals und zur Weiterleitung von diesem entsprechenden Ausgangssignalen in parallel arbeitenden Schaltungszweigen
EP1276028A1 (de) * 2001-07-09 2003-01-15 Telefonaktiebolaget L M Ericsson (Publ) Einrichtung und Verfahren zum Detektieren von Statusindikationen
US6611158B2 (en) * 2001-07-24 2003-08-26 Koninklijke Philips Electronics N.V. Method and system using a common reset and a slower reset clock
US7091742B2 (en) * 2002-12-19 2006-08-15 Tellabs Operations, Inc. Fast ring-out digital storage circuit
US7639764B2 (en) * 2005-08-17 2009-12-29 Atmel Corporation Method and apparatus for synchronizing data between different clock domains in a memory controller
US7288969B1 (en) * 2006-04-05 2007-10-30 Alcatel Lucent Zero clock delay metastability filtering circuit
JP5587810B2 (ja) 2010-06-01 2014-09-10 日本光電工業株式会社 患者位置表示システム
CN110401444B (zh) * 2019-06-25 2023-04-07 中国科学院上海微系统与信息技术研究所 异步时钟adc电路的亚稳态的检测消除电路
CN114117972B (zh) * 2022-01-26 2022-06-10 之江实验室 一种异步电路的同步装置和方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894246A (en) * 1974-06-24 1975-07-08 Rockwell International Corp Clock recovering apparatus and method
US3971960A (en) * 1975-03-05 1976-07-27 Motorola, Inc. Flip-flop false output rejection circuit
US4093878A (en) * 1976-11-29 1978-06-06 Ncr Corporation De-glitchablenon-metastable flip-flop circuit
DE3106183A1 (de) * 1981-02-19 1982-09-02 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur fehlerfreien synchronisation asynchroner impulse
US4398155A (en) * 1981-06-15 1983-08-09 Motorola, Inc. Multiple clock switching circuit
US4544851A (en) * 1981-08-31 1985-10-01 Texas Instruments Incorporated Synchronizer circuit with dual input
US4591737A (en) * 1982-12-13 1986-05-27 Advanced Micro Devices, Inc. Master-slave multivibrator with improved metastable response characteristic
US4575644A (en) * 1983-12-02 1986-03-11 Burroughs Corporation Circuit for prevention of the metastable state in flip-flops
US4622475A (en) * 1984-03-05 1986-11-11 Tektronix, Inc. Data storage element having input and output ports isolated from regenerative circuit
US4694196A (en) * 1984-12-07 1987-09-15 American Telephone And Telegraph Company And At&T Information Systems Clock recovery circuit
ATE58026T1 (de) * 1985-08-19 1990-11-15 Siemens Ag Synchronisierungseinrichtung.
US4745302A (en) * 1985-12-23 1988-05-17 Hitachi, Ltd. Asynchronous signal synchronizing circuit

Also Published As

Publication number Publication date
EP0335547A2 (de) 1989-10-04
JPH0248816A (ja) 1990-02-19
US4851710A (en) 1989-07-25
JP2944039B2 (ja) 1999-08-30
EP0335547A3 (en) 1990-09-12
EP0335547B1 (de) 1995-06-28
DE68923207T2 (de) 1995-11-09

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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
8327 Change in the person/name/address of the patent owner

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: HENKEL, FEILER & HAENZEL, 81675 MUENCHEN