JPS5816935U - reset circuit - Google Patents

reset circuit

Info

Publication number
JPS5816935U
JPS5816935U JP10807681U JP10807681U JPS5816935U JP S5816935 U JPS5816935 U JP S5816935U JP 10807681 U JP10807681 U JP 10807681U JP 10807681 U JP10807681 U JP 10807681U JP S5816935 U JPS5816935 U JP S5816935U
Authority
JP
Japan
Prior art keywords
voltage
power supply
divides
section
output
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
JP10807681U
Other languages
Japanese (ja)
Inventor
修 佐藤
徳永　公治
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP10807681U priority Critical patent/JPS5816935U/en
Publication of JPS5816935U publication Critical patent/JPS5816935U/en
Pending legal-status Critical Current

Links

Landscapes

  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Electronic Switches (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のリセット回路の回路図、第２図は従来回
路のリセット出力波形図、第３図は本考案によをリセッ
ト回路の一実施例を示す回路図、第４図は本考案回路、
のりセット出力波形図である。−１，４，５，８・・・
抵抗、２．９・・・コンデンサ、６・・・基準電圧、７
・・・電圧比較器。Fig. 1 is a circuit diagram of a conventional reset circuit, Fig. 2 is a reset output waveform diagram of the conventional circuit, Fig. 3 is a circuit diagram showing an embodiment of the reset circuit according to the present invention, and Fig. 4 is a circuit diagram showing an embodiment of the reset circuit according to the present invention. circuit,
It is a glue set output waveform diagram. -1, 4, 5, 8...
Resistor, 2.9... Capacitor, 6... Reference voltage, 7
...Voltage comparator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源の投入または電源電圧の低下に伴なって機器を自動
的にリセットするリセット回路において、前記電源の電
圧を分圧する分圧部と、基準電圧部と、前記分圧値と基
準電圧の大小を比較する電圧比較部と、前記基準電圧よ
り分圧値が大きいときは前記電圧比較部出力によりハイ
インピーダンスにさせられ、前記基準電圧より分圧値が
小さいときは前記電圧比較部出力によりローインピーダ
ンスにさせられる出力回路部と、抵抗とコンデンサの接
続点が前記出力回路部に接続された時定数回路とから構
成したリセット回路。A reset circuit that automatically resets a device when the power is turned on or when the power supply voltage drops, includes a voltage dividing section that divides the voltage of the power supply, a reference voltage section, and a voltage dividing section that divides the voltage of the power supply, and a voltage dividing section that divides the voltage of the power supply and a voltage difference between the voltage division value and the reference voltage. A voltage comparator to be compared is set to high impedance by the output of the voltage comparator when the divided voltage value is larger than the reference voltage, and is set to low impedance by the output of the voltage comparator when the divided voltage is smaller than the reference voltage. and a time constant circuit in which a connection point between a resistor and a capacitor is connected to the output circuit section.
JP10807681U 1981-07-21 1981-07-21 reset circuit Pending JPS5816935U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10807681U JPS5816935U (en) 1981-07-21 1981-07-21 reset circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10807681U JPS5816935U (en) 1981-07-21 1981-07-21 reset circuit

Publications (1)

Publication Number Publication Date
JPS5816935U true JPS5816935U (en) 1983-02-02

Family

ID=29902498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10807681U Pending JPS5816935U (en) 1981-07-21 1981-07-21 reset circuit

Country Status (1)

Country Link
JP (1) JPS5816935U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52153351A (en) * 1976-06-15 1977-12-20 Sharp Corp Automatic clearing device
JPS53106524A (en) * 1977-03-01 1978-09-16 Toshiba Corp Initial clear unit for digital circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52153351A (en) * 1976-06-15 1977-12-20 Sharp Corp Automatic clearing device
JPS53106524A (en) * 1977-03-01 1978-09-16 Toshiba Corp Initial clear unit for digital circuit

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