JPS6068412A - Integrated circuit - Google Patents

Integrated circuit

Info

Publication number
JPS6068412A
JPS6068412A JP17543883A JP17543883A JPS6068412A JP S6068412 A JPS6068412 A JP S6068412A JP 17543883 A JP17543883 A JP 17543883A JP 17543883 A JP17543883 A JP 17543883A JP S6068412 A JPS6068412 A JP S6068412A
Authority
JP
Japan
Prior art keywords
voltage
power supply
circuit
terminal
level
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
JP17543883A
Other languages
Japanese (ja)
Inventor
Toshio Nakajima
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP17543883A priority Critical patent/JPS6068412A/en
Publication of JPS6068412A publication Critical patent/JPS6068412A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10Regulating voltage or current
    • G05F1/46Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/565Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/569Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
    • G05F1/571Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overvoltage detector

Abstract

PURPOSE:To obtain an IC which can stably operate even when it is operated with a solar battery, etc. by providing a voltage deciding circuit which decides the value of the power supply voltage and a switch means which controls the supply of the power supply voltage and stopping the supply of power to the IC when the power supply voltage becomes to have a value smaller than a prescribed value. CONSTITUTION:A voltage deciding circuit 2 detects the voltage of a power supply terminal 1, and an output 3 is inverted to a high level from a low level when the power supply voltage becomes lower than a prescribed level. A P type MOS transistor TR4 is turned on when a low level of voltage is applied to a gate electrode, and the voltage of the terminal 1 is supplied to a circuit 5. Thus the circuit 2 is totally actuated. When the voltage of the terminal 1 is lower than a prescribed set level, the TR4 is turned off by the function of the circuit 2. Thus just a slight amount of the power supply current flows to the circuit 2. Thus an IC can be designed which has the stable operation even when it is driven with a solar battery, etc.
JP17543883A 1983-09-22 1983-09-22 Integrated circuit Pending JPS6068412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17543883A JPS6068412A (en) 1983-09-22 1983-09-22 Integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17543883A JPS6068412A (en) 1983-09-22 1983-09-22 Integrated circuit

Publications (1)

Publication Number Publication Date
JPS6068412A true JPS6068412A (en) 1985-04-19

Family

ID=15996090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17543883A Pending JPS6068412A (en) 1983-09-22 1983-09-22 Integrated circuit

Country Status (1)

Country Link
JP (1) JPS6068412A (en)

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