JPS648714A - Initial value setting circuit - Google Patents

Initial value setting circuit

Info

Publication number
JPS648714A
JPS648714A JP62164525A JP16452587A JPS648714A JP S648714 A JPS648714 A JP S648714A JP 62164525 A JP62164525 A JP 62164525A JP 16452587 A JP16452587 A JP 16452587A JP S648714 A JPS648714 A JP S648714A
Authority
JP
Japan
Prior art keywords
terminal
setting circuit
output terminal
circuit
initial value
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
JP62164525A
Other languages
Japanese (ja)
Inventor
Masao Ikushima
Akira Osawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP62164525A priority Critical patent/JPS648714A/en
Publication of JPS648714A publication Critical patent/JPS648714A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To make the circuit operation stable by using a substrate potential of a P-channel MOS transistor(TR) as a power supply voltage and connecting a capacitor between a drain or source of the TR and a ground or negative power voltage terminal so as to prevent malfunction caused by the turning off of an internal TR due to a level of the initial setting value over a long period. CONSTITUTION:An initial setting circuit 14 is connected to an RS type FF via an OR circuit 13. A set terminal 3, a reset terminal 4, an output terminal 5 and an inverting output terminal 6 of the RS-FF are provided to RS-FFs 1, 2. Moreover, an input terminal 10 for a signal to reset the initial setting is connected to the initial value setting circuit 14, a P-channel MOS TR 14a is connected between a terminal 10 of the initial value setting circuit 14 and its output terminal 11 and a capacitor 14b is connected between the output terminal 11 and a ground terminal. Then the malfunction caused by a level of the input terminal 10 to turn off the TR 14a for a long period is prevented.
JP62164525A 1987-07-01 1987-07-01 Initial value setting circuit Pending JPS648714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62164525A JPS648714A (en) 1987-07-01 1987-07-01 Initial value setting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62164525A JPS648714A (en) 1987-07-01 1987-07-01 Initial value setting circuit

Publications (1)

Publication Number Publication Date
JPS648714A true JPS648714A (en) 1989-01-12

Family

ID=15794822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62164525A Pending JPS648714A (en) 1987-07-01 1987-07-01 Initial value setting circuit

Country Status (1)

Country Link
JP (1) JPS648714A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0320490A (en) * 1989-06-16 1991-01-29 Asahi Glass Co Ltd Production of alkali hydroxide

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5639620A (en) * 1979-09-07 1981-04-15 Sanyo Electric Co Ltd Flip-flop circuit
JPS60111520A (en) * 1983-11-21 1985-06-18 Ricoh Co Ltd Unbalancing type latch circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5639620A (en) * 1979-09-07 1981-04-15 Sanyo Electric Co Ltd Flip-flop circuit
JPS60111520A (en) * 1983-11-21 1985-06-18 Ricoh Co Ltd Unbalancing type latch circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0320490A (en) * 1989-06-16 1991-01-29 Asahi Glass Co Ltd Production of alkali hydroxide

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