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JPS5465068A - Voltage detection circuit - Google Patents

Voltage detection circuit

Info

Publication number
JPS5465068A
JPS5465068A JP13178277A JP13178277A JPS5465068A JP S5465068 A JPS5465068 A JP S5465068A JP 13178277 A JP13178277 A JP 13178277A JP 13178277 A JP13178277 A JP 13178277A JP S5465068 A JPS5465068 A JP S5465068A
Authority
JP
Japan
Prior art keywords
supply end
potential supply
potential
output
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
JP13178277A
Other languages
Japanese (ja)
Inventor
Masaru Watanabe
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP13178277A priority Critical patent/JPS5465068A/en
Publication of JPS5465068A publication Critical patent/JPS5465068A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Control Of Electrical Variables (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)

Abstract

PURPOSE: To detect that supply voltage has decreased by connecting the first potential supply end to the second potential supply end by way of plural MOS type transistors in series.
CONSTITUTION: A VDD potential supply end 10 is connected to an earth potential supply end by way of MOS type transistors 11, 12, 13 in series. The gates of the transistors 11, 13 are connected to the VDD potential supply end 10 and the gate of the transistor 12 is connected to its own drain. Here, when the potential VOUT of the output end 14 goes below the level at which the output of an inverter 15 is inverted, the output level of the inverter 15 changes over, whereby it is detected that the VDD potential has become lower than the specified level.
COPYRIGHT: (C)1979,JPO&Japio
JP13178277A 1977-11-02 1977-11-02 Voltage detection circuit Pending JPS5465068A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13178277A JPS5465068A (en) 1977-11-02 1977-11-02 Voltage detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13178277A JPS5465068A (en) 1977-11-02 1977-11-02 Voltage detection circuit

Publications (1)

Publication Number Publication Date
JPS5465068A true JPS5465068A (en) 1979-05-25

Family

ID=15066013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13178277A Pending JPS5465068A (en) 1977-11-02 1977-11-02 Voltage detection circuit

Country Status (1)

Country Link
JP (1) JPS5465068A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62229416A (en) * 1986-03-31 1987-10-08 Toshiba Corp Voltage limit circuit
JPS63127165A (en) * 1986-11-17 1988-05-31 Nec Corp Level comparator
JPS63261168A (en) * 1987-04-03 1988-10-27 エステーミクロエレクトロニクス　ソシエテ　アノニム High-voltage level detector for mos technique
JP2012173052A (en) * 2011-02-18 2012-09-10 Handotai Rikougaku Kenkyu Center:Kk Voltage detection circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5174675A (en) * 1974-12-24 1976-06-28 Seiko Instr & Electronics DENCHIDENATSUKENSHUTSUSOCHI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5174675A (en) * 1974-12-24 1976-06-28 Seiko Instr & Electronics DENCHIDENATSUKENSHUTSUSOCHI

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62229416A (en) * 1986-03-31 1987-10-08 Toshiba Corp Voltage limit circuit
JPS63127165A (en) * 1986-11-17 1988-05-31 Nec Corp Level comparator
JPS63261168A (en) * 1987-04-03 1988-10-27 エステーミクロエレクトロニクス　ソシエテ　アノニム High-voltage level detector for mos technique
JP2012173052A (en) * 2011-02-18 2012-09-10 Handotai Rikougaku Kenkyu Center:Kk Voltage detection circuit

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