JPS5432040A - Clock detector circuit - Google Patents

Clock detector circuit

Info

Publication number
JPS5432040A
JPS5432040A JP9807877A JP9807877A JPS5432040A JP S5432040 A JPS5432040 A JP S5432040A JP 9807877 A JP9807877 A JP 9807877A JP 9807877 A JP9807877 A JP 9807877A JP S5432040 A JPS5432040 A JP S5432040A
Authority
JP
Japan
Prior art keywords
detector circuit
clock detector
clock
abnormal state
secure
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.)
Pending
Application number
JP9807877A
Other languages
Japanese (ja)
Inventor
Hiroshi Hayashi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP9807877A priority Critical patent/JPS5432040A/en
Publication of JPS5432040A publication Critical patent/JPS5432040A/en
Pending legal-status Critical Current

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  • Manipulation Of Pulses (AREA)

Abstract

PURPOSE: To secure a detection for the abnormal state through a simple constitution for the clock detector circuit which detects the abnormal state of the clock pulse.
COPYRIGHT: (C)1979,JPO&Japio
JP9807877A 1977-08-16 1977-08-16 Clock detector circuit Pending JPS5432040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9807877A JPS5432040A (en) 1977-08-16 1977-08-16 Clock detector circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9807877A JPS5432040A (en) 1977-08-16 1977-08-16 Clock detector circuit

Publications (1)

Publication Number Publication Date
JPS5432040A true JPS5432040A (en) 1979-03-09

Family

ID=14210304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9807877A Pending JPS5432040A (en) 1977-08-16 1977-08-16 Clock detector circuit

Country Status (1)

Country Link
JP (1) JPS5432040A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61145601A (en) * 1984-12-19 1986-07-03 Mitsubishi Electric Corp Reset circuit
JPH01128294A (en) * 1987-11-12 1989-05-19 Sharp Corp Self-refreshing device for field memory
JPH02108111A (en) * 1988-10-17 1990-04-20 Fujitsu Ltd Stop detecting circuit for clock signal
US6597204B2 (en) 2000-11-10 2003-07-22 Nec Corporation Clock interruption detection circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61145601A (en) * 1984-12-19 1986-07-03 Mitsubishi Electric Corp Reset circuit
JPH01128294A (en) * 1987-11-12 1989-05-19 Sharp Corp Self-refreshing device for field memory
JPH02108111A (en) * 1988-10-17 1990-04-20 Fujitsu Ltd Stop detecting circuit for clock signal
US6597204B2 (en) 2000-11-10 2003-07-22 Nec Corporation Clock interruption detection circuit

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