JPH058442B2 - - Google Patents

Info

Publication number
JPH058442B2
JPH058442B2 JP62117253A JP11725387A JPH058442B2 JP H058442 B2 JPH058442 B2 JP H058442B2 JP 62117253 A JP62117253 A JP 62117253A JP 11725387 A JP11725387 A JP 11725387A JP H058442 B2 JPH058442 B2 JP H058442B2
Authority
JP
Japan
Prior art keywords
clock
test
output
input
fault
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 - Lifetime
Application number
JP62117253A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6386009A (ja
Inventor
Josefu Defuajio Jon
Jeraado Makunamara Teimoshii
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS6386009A publication Critical patent/JPS6386009A/ja
Publication of JPH058442B2 publication Critical patent/JPH058442B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F1/10—Distribution of clock signals, e.g. skew
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317—Testing of digital circuits
    • G01R31/3181—Functional testing
    • G01R31/3185—Reconfiguring for testing, e.g. LSSD, partitioning
    • G01R31/318533—Reconfiguring for testing, e.g. LSSD, partitioning using scanning techniques, e.g. LSSD, Boundary Scan, JTAG
    • G01R31/318577—AC testing, e.g. current testing, burn-in
    • G01R31/31858—Delay testing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Manipulation Of Pulses (AREA)
JP62117253A 1986-09-29 1987-05-15 クロック障害検出回路 Granted JPS6386009A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/912,289 US4800564A (en) 1986-09-29 1986-09-29 High performance clock system error detection and fault isolation
US912289 1986-09-29

Publications (2)

Publication Number Publication Date
JPS6386009A JPS6386009A (ja) 1988-04-16
JPH058442B2 true JPH058442B2 (en]) 1993-02-02

Family

ID=25431665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62117253A Granted JPS6386009A (ja) 1986-09-29 1987-05-15 クロック障害検出回路

Country Status (4)

Country Link
US (1) US4800564A (en])
EP (1) EP0262330B1 (en])
JP (1) JPS6386009A (en])
DE (1) DE3789651T2 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6428210U (en]) * 1987-08-10 1989-02-20

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920540A (en) * 1987-02-25 1990-04-24 Stratus Computer, Inc. Fault-tolerant digital timing apparatus and method
US5020024A (en) * 1987-01-16 1991-05-28 Stratus Computer, Inc. Method and apparatus for detecting selected absence of digital logic synchronism
US5081629A (en) * 1989-05-08 1992-01-14 Unisys Corporation Fault isolation for multiphase clock signals supplied to dual modules which are checked by comparison using residue code generators
US4972414A (en) * 1989-11-13 1990-11-20 International Business Machines Corporation Method and apparatus for detecting oscillator stuck faults in a level sensitive scan design (LSSD) system
JPH05307619A (ja) * 1991-05-16 1993-11-19 Nec Corp マイクロプロセッサのａｃ特性測定方法
US5313476A (en) * 1991-06-28 1994-05-17 International Business Machines Corporation Clock security ring
WO1993006544A1 (en) * 1991-09-23 1993-04-01 Digital Equipment Corporation Method and apparatus for clock skew reduction through absolute delay regulation
JPH05298134A (ja) 1991-12-16 1993-11-12 Internatl Business Mach Corp <Ibm> コンピュータシステムにおける処理誤りの処理機構及び方法
GB2268366B (en) * 1992-06-30 1996-08-07 Ericsson Ge Mobile Communicat Control channel timing detection and self correction for digitally trunked simulcast radio communication system
US5805645A (en) * 1992-06-30 1998-09-08 Ericsson Inc. Control channel synchronization between DBC and Cellular networks
TW255052B (en]) * 1992-11-03 1995-08-21 Thomson Consumer Electronics
KR950005940B1 (ko) * 1992-12-29 1995-06-07 재단법인한국전자통신연구소 클럭 감시 회로
US5495598A (en) * 1993-12-23 1996-02-27 Unisys Corporation Stuck fault detection for branch instruction condition signals
EP0667533A3 (en) * 1994-02-14 1996-06-12 Hewlett Packard Co Signal loss detector.
US5471488A (en) * 1994-04-05 1995-11-28 International Business Machines Corporation Clock fault detection circuit
US5642069A (en) * 1994-04-26 1997-06-24 Unisys Corporation Clock signal loss detection and recovery apparatus in multiple clock signal system
US6430242B1 (en) 1998-06-15 2002-08-06 International Business Machines Corporation Initialization system for recovering bits and group of bits from a communications channel
US6088830A (en) * 1998-07-28 2000-07-11 Evsx, Inc. Method and apparatus for logic circuit speed detection
US6272647B1 (en) * 1998-11-20 2001-08-07 Honeywell Inc. Fault tolerant clock voter with recovery
US6611217B2 (en) 1999-06-11 2003-08-26 International Business Machines Corporation Initialization system for recovering bits and group of bits from a communications channel
US6453431B1 (en) 1999-07-01 2002-09-17 International Business Machines Corporation System technique for detecting soft errors in statically coupled CMOS logic
JP2001021624A (ja) * 1999-07-07 2001-01-26 Fujitsu Ltd テストデータ生成システム及び方法並びにテストデータ生成プログラムを記録した記録媒体
US6795515B1 (en) 2000-04-11 2004-09-21 International Business Machines Corporation Method and apparatus for locating sampling points in a synchronous data stream
US6718474B1 (en) 2000-09-21 2004-04-06 Stratus Technologies Bermuda Ltd. Methods and apparatus for clock management based on environmental conditions
US6671644B2 (en) * 2001-08-15 2003-12-30 International Business Machines Corporation Using clock gating or signal gating to partition a device for fault isolation and diagnostic data collection
US6614263B2 (en) * 2002-02-05 2003-09-02 Logicvision, Inc. Method and circuitry for controlling clocks of embedded blocks during logic bist test mode
JP5124904B2 (ja) * 2005-03-14 2013-01-23 日本電気株式会社 半導体試験方法及び半導体装置
JP4862680B2 (ja) * 2007-02-15 2012-01-25 富士通株式会社 クロック信号分配回路、情報処理装置及びクロック信号分配方法
US10353837B2 (en) 2013-09-09 2019-07-16 Qualcomm Incorporated Method and apparatus to enable multiple masters to operate in a single master bus architecture
US9996488B2 (en) 2013-09-09 2018-06-12 Qualcomm Incorporated I3C high data rate (HDR) always-on image sensor 8-bit operation indicator and buffer over threshold indicator
US9690725B2 (en) 2014-01-14 2017-06-27 Qualcomm Incorporated Camera control interface extension with in-band interrupt
KR20160070171A (ko) * 2013-10-09 2016-06-17 퀄컴 인코포레이티드 CCIe 프로토콜을 통한 에러 검출 능력
US9684624B2 (en) 2014-01-14 2017-06-20 Qualcomm Incorporated Receive clock calibration for a serial bus
US10215804B2 (en) * 2016-07-27 2019-02-26 International Business Machines Corporation Semiconductor power and performance optimization
FR3084488B1 (fr) 2018-07-24 2020-08-14 Stmicroelectronics (Grenoble 2) Sas Dispositif de detection d'une faute dans un circuit de propagation d'un signal d'horloge, et procede correspondant

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3056108A (en) * 1959-06-30 1962-09-25 Internat Bushiness Machines Co Error check circuit
IN146507B (en]) * 1975-09-29 1979-06-23 Ericsson Telefon Ab L M
US4063078A (en) * 1976-06-30 1977-12-13 International Business Machines Corporation Clock generation network for level sensitive logic system
US4144448A (en) * 1977-11-29 1979-03-13 International Business Machines Corporation Asynchronous validity checking system and method for monitoring clock signals on separate electrical conductors
US4441075A (en) * 1981-07-02 1984-04-03 International Business Machines Corporation Circuit arrangement which permits the testing of each individual chip and interchip connection in a high density packaging structure having a plurality of interconnected chips, without any physical disconnection
US4392226A (en) * 1981-09-28 1983-07-05 Ncr Corporation Multiple source clock encoded communications error detection circuit
US4542509A (en) * 1983-10-31 1985-09-17 International Business Machines Corporation Fault testing a clock distribution network
JPS6227814A (ja) * 1985-07-29 1987-02-05 Nec Corp 故障検出回路
US4686677A (en) * 1985-08-02 1987-08-11 Unisys Corporation Apparatus and method for detecting time-related faults
US4683570A (en) * 1985-09-03 1987-07-28 General Electric Company Self-checking digital fault detector for modular redundant real time clock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6428210U (en]) * 1987-08-10 1989-02-20

Also Published As

Publication number Publication date
EP0262330A2 (en) 1988-04-06
EP0262330B1 (en) 1994-04-20
JPS6386009A (ja) 1988-04-16
US4800564A (en) 1989-01-24
DE3789651T2 (de) 1994-11-17
EP0262330A3 (en) 1989-11-29
DE3789651D1 (de) 1994-05-26

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