DE3675506D1 - Synchronisierschaltung fuer digitalen, freilaufenden taktgeber. - Google Patents

Synchronisierschaltung fuer digitalen, freilaufenden taktgeber.

Info

Publication number
DE3675506D1
DE3675506D1 DE8686115966T DE3675506T DE3675506D1 DE 3675506 D1 DE3675506 D1 DE 3675506D1 DE 8686115966 T DE8686115966 T DE 8686115966T DE 3675506 T DE3675506 T DE 3675506T DE 3675506 D1 DE3675506 D1 DE 3675506D1
Authority
DE
Germany
Prior art keywords
freeway
clock
digital
synchronizer circuit
synchronizer
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
DE8686115966T
Other languages
English (en)
Inventor
John G Theus
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Application granted granted Critical
Publication of DE3675506D1 publication Critical patent/DE3675506D1/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
DE8686115966T 1985-11-29 1986-11-17 Synchronisierschaltung fuer digitalen, freilaufenden taktgeber. Expired - Fee Related DE3675506D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/803,262 US4691121A (en) 1985-11-29 1985-11-29 Digital free-running clock synchronizer

Publications (1)

Publication Number Publication Date
DE3675506D1 true DE3675506D1 (de) 1990-12-13

Family

ID=25186054

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686115966T Expired - Fee Related DE3675506D1 (de) 1985-11-29 1986-11-17 Synchronisierschaltung fuer digitalen, freilaufenden taktgeber.

Country Status (5)

Country Link
US (1) US4691121A (de)
EP (1) EP0225512B1 (de)
JP (1) JPS62131631A (de)
CA (1) CA1284363C (de)
DE (1) DE3675506D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0821844B2 (ja) * 1986-05-30 1996-03-04 三菱電機株式会社 半導体集積回路
JPH0198313A (ja) * 1987-10-09 1989-04-17 Nec Corp 同期化回路
US4857868A (en) * 1988-03-30 1989-08-15 Rockwell International Corporation Data driven clock generator
US5625316A (en) * 1994-07-01 1997-04-29 Motorola, Inc. Tuning circuit for an RC filter
US6233205B1 (en) * 1996-09-17 2001-05-15 Xilinx, Inc. Built-in self test method for measuring clock to out delays
US6466520B1 (en) 1996-09-17 2002-10-15 Xilinx, Inc. Built-in AC self test using pulse generators
JP3425876B2 (ja) * 1999-01-07 2003-07-14 エヌイーシーマイクロシステム株式会社 パルス発生回路
US6452459B1 (en) 1999-07-22 2002-09-17 Xilinx, Inc. Circuit for measuring signal delays of synchronous memory elements
US6630838B1 (en) 2001-01-23 2003-10-07 Xilinx, Inc. Method for implementing dynamic burn-in testing using static test signals
US7065684B1 (en) 2002-04-18 2006-06-20 Xilinx, Inc. Circuits and methods for measuring signal propagation delays on integrated circuits

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR79303E (de) * 1959-10-06 1963-02-27
DE1276703B (de) * 1966-07-01 1968-09-05 Siemens Ag Elektronischer Taktgenerator
US4134073A (en) * 1976-07-12 1979-01-09 Honeywell Information Systems Inc. Clock system having adaptive synchronization feature
US4105978A (en) * 1976-08-02 1978-08-08 Honeywell Information Systems Inc. Stretch and stall clock
US4544914A (en) * 1979-12-17 1985-10-01 Trw Inc. Asynchronously controllable successive approximation analog-to-digital converter
US4386401A (en) * 1980-07-28 1983-05-31 Sperry Corporation High speed processing restarting apparatus
JPS5760754A (en) * 1980-09-27 1982-04-12 Fujitsu Ltd Synchronizing circuit

Also Published As

Publication number Publication date
US4691121A (en) 1987-09-01
EP0225512A1 (de) 1987-06-16
CA1284363C (en) 1991-05-21
JPS62131631A (ja) 1987-06-13
EP0225512B1 (de) 1990-11-07

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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