ZA201407602B - Digital sensing circuit for a secondary clock signal to be monitored for clock failure with the aid of a primary clock signal - Google Patents

Digital sensing circuit for a secondary clock signal to be monitored for clock failure with the aid of a primary clock signal

Info

Publication number
ZA201407602B
ZA201407602B ZA2014/07602A ZA201407602A ZA201407602B ZA 201407602 B ZA201407602 B ZA 201407602B ZA 2014/07602 A ZA2014/07602 A ZA 2014/07602A ZA 201407602 A ZA201407602 A ZA 201407602A ZA 201407602 B ZA201407602 B ZA 201407602B
Authority
ZA
South Africa
Prior art keywords
clock signal
monitored
aid
sensing circuit
failure
Prior art date
Application number
ZA2014/07602A
Inventor
Bernd Heinemann
Gunther Auer
Original Assignee
Areva Gmbh
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 Areva Gmbh filed Critical Areva Gmbh
Publication of ZA201407602B publication Critical patent/ZA201407602B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/08—Output circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/40—Monitoring; Error detection; Preventing or correcting improper counter operation
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
    • H03K5/135—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals by the use of time reference signals, e.g. clock signals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Safety Devices In Control Systems (AREA)
  • Manipulation Of Pulses (AREA)
ZA2014/07602A 2012-06-14 2014-10-20 Digital sensing circuit for a secondary clock signal to be monitored for clock failure with the aid of a primary clock signal ZA201407602B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012209971A DE102012209971B3 (en) 2012-06-14 2012-06-14 Digital sampling circuit for a primary clock signal to be monitored for clock loss secondary clock signal
PCT/EP2013/058168 WO2013185960A2 (en) 2012-06-14 2013-04-19 Digital sensing circuit for a secondary clock signal to be monitored for clock failure with the aid of a primary clock signal

Publications (1)

Publication Number Publication Date
ZA201407602B true ZA201407602B (en) 2016-02-24

Family

ID=48236883

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2014/07602A ZA201407602B (en) 2012-06-14 2014-10-20 Digital sensing circuit for a secondary clock signal to be monitored for clock failure with the aid of a primary clock signal

Country Status (8)

Country Link
EP (1) EP2862279B1 (en)
CN (1) CN104380606B (en)
BR (1) BR112014030648B1 (en)
DE (1) DE102012209971B3 (en)
ES (1) ES2594775T3 (en)
PL (1) PL2862279T3 (en)
WO (1) WO2013185960A2 (en)
ZA (1) ZA201407602B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110048712A (en) * 2019-05-17 2019-07-23 湖北京邦科技有限公司 Pulse generating device and chip including the pulse generating device
CN111539531A (en) * 2020-04-28 2020-08-14 济南浪潮高新科技投资发展有限公司 Quantum bit resetting method, device, equipment and readable storage medium
CN114448398A (en) * 2020-11-02 2022-05-06 圣邦微电子（北京）股份有限公司 Battery protection chip, multi-delay clock chain multiplexing circuit and method thereof
CN114006605B (en) * 2021-12-31 2022-05-10 峰岹科技(深圳)股份有限公司 Single-edge delay circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05191236A (en) * 1992-01-17 1993-07-30 Fujitsu Ltd Clock interruption detection circuit
KR950005940B1 (en) * 1992-12-29 1995-06-07 재단법인한국전자통신연구소 Clock monitoring circuit
CN1148874C (en) * 1999-12-29 2004-05-05 上海贝尔有限公司 Clock signal pulse missing detecting circuit
JP2002026705A (en) * 2000-07-13 2002-01-25 Mitsubishi Electric Corp Pulse detector
US7038508B2 (en) * 2004-04-30 2006-05-02 Intel Corporation Methods and apparatuses for detecting clock loss in a phase-locked loop
WO2007110099A1 (en) * 2006-03-27 2007-10-04 Freescale Semiconductor, Inc. Apparatus for detecting clock failure and method therefor
DE102007031131A1 (en) * 2007-06-29 2009-01-08 IHP GmbH - Innovations for High Performance Microelectronics/Institut für innovative Mikroelektronik Clock monitoring circuit, particularly clock watch dog circuit for use with an integrated circuit, has reference clock generator, which comprises ring oscillator formed for producing reference clock signal of reference clock frequency
CN102497200B (en) * 2011-12-13 2015-04-15 东南大学 Clock signal loss detecting circuit and clock signal loss detecting method
CN202364199U (en) * 2011-12-13 2012-08-01 东南大学 Detection circuit for clock signal loss

Also Published As

Publication number Publication date
DE102012209971B3 (en) 2013-05-29
PL2862279T3 (en) 2017-01-31
ES2594775T3 (en) 2016-12-22
CN104380606A (en) 2015-02-25
BR112014030648A2 (en) 2017-06-27
EP2862279A2 (en) 2015-04-22
BR112014030648B1 (en) 2022-02-22
WO2013185960A3 (en) 2014-02-20
EP2862279B1 (en) 2016-07-06
CN104380606B (en) 2017-04-26
WO2013185960A2 (en) 2013-12-19

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