JPS5621211A - Power-on-reset circuit - Google Patents

Power-on-reset circuit

Info

Publication number
JPS5621211A
JPS5621211A JP9783979A JP9783979A JPS5621211A JP S5621211 A JPS5621211 A JP S5621211A JP 9783979 A JP9783979 A JP 9783979A JP 9783979 A JP9783979 A JP 9783979A JP S5621211 A JPS5621211 A JP S5621211A
Authority
JP
Japan
Prior art keywords
power supply
semiconductor substrate
power
output terminal
integrated
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
JP9783979A
Other languages
Japanese (ja)
Inventor
Shunichi 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.)
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 JP9783979A priority Critical patent/JPS5621211A/en
Publication of JPS5621211A publication Critical patent/JPS5621211A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To avoid the consumption of electric power at normality of power supply, by taking th output terminal through the connection of the doping region of inverse conduction type as the semiconductor substrate to the series connection consisting of the capacitive and resistive elements integrated on the semiconductor substrate.
CONSTITUTION: This inversion relates to the power-on-reset circuit, which avoids the input and resets the register during the waiting time, when the power supply is applied and the power supply is a normal value and the integrated circuit is in normal operation. To the series connection between the capacitive element C and the resistive element 1 integrated on the semiconductor substrate, the doping region of opposite conduction type as the semiconductor substrate is connected, i.e. n-type diffusion region on p-type substrate for n-channel MOS, making the output terminal A. Another end of the resistive element 1 is connected to the ground terminal of the power supply 2 and another end of the capacitive element C is connected to the output terminal of the power supply 2.
COPYRIGHT: (C)1981,JPO&Japio
JP9783979A 1979-07-30 1979-07-30 Power-on-reset circuit Pending JPS5621211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9783979A JPS5621211A (en) 1979-07-30 1979-07-30 Power-on-reset circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9783979A JPS5621211A (en) 1979-07-30 1979-07-30 Power-on-reset circuit

Publications (1)

Publication Number Publication Date
JPS5621211A true JPS5621211A (en) 1981-02-27

Family

ID=14202877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9783979A Pending JPS5621211A (en) 1979-07-30 1979-07-30 Power-on-reset circuit

Country Status (1)

Country Link
JP (1) JPS5621211A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62254073A (en) * 1985-06-18 1987-11-05 モトロ−ラ・インコ−ポレ−テツド Cmos power-on detection circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5088931A (en) * 1973-12-10 1975-07-17
JPS5132265A (en) * 1974-07-11 1976-03-18 Philips Nv

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5088931A (en) * 1973-12-10 1975-07-17
JPS5132265A (en) * 1974-07-11 1976-03-18 Philips Nv

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62254073A (en) * 1985-06-18 1987-11-05 モトロ−ラ・インコ−ポレ−テツド Cmos power-on detection circuit

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