JPS5651679A - Measuring circuit for minimum operation pulse - Google Patents

Measuring circuit for minimum operation pulse

Info

Publication number
JPS5651679A
JPS5651679A JP12679679A JP12679679A JPS5651679A JP S5651679 A JPS5651679 A JP S5651679A JP 12679679 A JP12679679 A JP 12679679A JP 12679679 A JP12679679 A JP 12679679A JP S5651679 A JPS5651679 A JP S5651679A
Authority
JP
Japan
Prior art keywords
pulse
circuit
pulses
inputted
width modulating
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
JP12679679A
Other languages
Japanese (ja)
Inventor
Akio Sagawa
Masayoshi Suzuki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12679679A priority Critical patent/JPS5651679A/en
Publication of JPS5651679A publication Critical patent/JPS5651679A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To shorten the time of a measurement by making it possible to find minimum operation pulse automatically from the number of pulses by employing a pulse width modulating circuit that provides pulse-width modulation in proportion to the number of pulses.
CONSTITUTION: Pulses generated by pulse generating circuit 10 are inputted to pulse-width modulating circuit 30 via gate 20. The output of pulse-width modulating circuit 30 is inputted to memory control terminal 18 of memory circuit 1. The minimum write pulse width of memory circuit 1 can be found automatically by counting the number of pulses inputted to pulse-width modulating circuit 30 until memory circuit 1 is turned on.
COPYRIGHT: (C)1981,JPO&Japio
JP12679679A 1979-10-03 1979-10-03 Measuring circuit for minimum operation pulse Pending JPS5651679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12679679A JPS5651679A (en) 1979-10-03 1979-10-03 Measuring circuit for minimum operation pulse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12679679A JPS5651679A (en) 1979-10-03 1979-10-03 Measuring circuit for minimum operation pulse

Publications (1)

Publication Number Publication Date
JPS5651679A true JPS5651679A (en) 1981-05-09

Family

ID=14944154

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12679679A Pending JPS5651679A (en) 1979-10-03 1979-10-03 Measuring circuit for minimum operation pulse

Country Status (1)

Country Link
JP (1) JPS5651679A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447119A (en) * 1987-08-17 1989-02-21 Ando Electric Pulse generator
JPH02256314A (en) * 1989-03-29 1990-10-17 Nippon Precision Circuits Kk Pulse generator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109481A (en) * 1977-03-07 1978-09-25 Nippon Telegr & Teleph Corp <Ntt> Test method for semiconductor circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109481A (en) * 1977-03-07 1978-09-25 Nippon Telegr & Teleph Corp <Ntt> Test method for semiconductor circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447119A (en) * 1987-08-17 1989-02-21 Ando Electric Pulse generator
JPH02256314A (en) * 1989-03-29 1990-10-17 Nippon Precision Circuits Kk Pulse generator

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