JPS574616A - Power-on resetting circuit - Google Patents

Power-on resetting circuit

Info

Publication number
JPS574616A
JPS574616A JP7814880A JP7814880A JPS574616A JP S574616 A JPS574616 A JP S574616A JP 7814880 A JP7814880 A JP 7814880A JP 7814880 A JP7814880 A JP 7814880A JP S574616 A JPS574616 A JP S574616A
Authority
JP
Japan
Prior art keywords
source
gate
enhancement type
power
drain
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
JP7814880A
Other languages
Japanese (ja)
Inventor
Kyoji Sakamura
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 JP7814880A priority Critical patent/JPS574616A/en
Publication of JPS574616A publication Critical patent/JPS574616A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/22—Modifications for ensuring a predetermined initial state when the supply voltage has been applied
    • H03K17/223—Modifications for ensuring a predetermined initial state when the supply voltage has been applied in field-effect transistor switches

Abstract

PURPOSE:To realize a small size for a power-on resetting circuit and also secure long and stable duration for a reset pulse, by connecting the gate of the 2nd enhancement type MOSFET to the source of the 1st enhancement type MOSFET whose drain and gate are connected to a power source. CONSTITUTION:Both the gate and the drain of the 1st enhancement type MOSFET 1 having the threshold voltage are connected to a power source VDD, at the gate of the 2nd enhancement type MOSFET5 is connected to the source of the MOSFET1. The drain of the MOSFET5 is connected to the source VDD, and the source is connected to an earth or another power source via a capacitor 2 as well as to an inverter circuit 3. Then a reset signal output is obtained from the output of the circuit 3.
JP7814880A 1980-06-10 1980-06-10 Power-on resetting circuit Pending JPS574616A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7814880A JPS574616A (en) 1980-06-10 1980-06-10 Power-on resetting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7814880A JPS574616A (en) 1980-06-10 1980-06-10 Power-on resetting circuit

Publications (1)

Publication Number Publication Date
JPS574616A true JPS574616A (en) 1982-01-11

Family

ID=13653810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7814880A Pending JPS574616A (en) 1980-06-10 1980-06-10 Power-on resetting circuit

Country Status (1)

Country Link
JP (1) JPS574616A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503344A (en) * 1982-04-09 1985-03-05 Honeywell Inc. Power up reset pulse generator
JPS6159932A (en) * 1984-08-31 1986-03-27 Fujitsu Ten Ltd Amplitude modulation stereo broadcast system identification device
JPS61123167A (en) * 1984-11-20 1986-06-11 Fujitsu Ltd Semiconductor integrated circuit
JPS62234418A (en) * 1986-03-14 1987-10-14 ウエスタン、デジタル、コ−ポレ−シヨン Power-up reset circuit
US5027006A (en) * 1988-12-22 1991-06-25 Sgs-Thomson Microelectronics S.A. Circuit for detecting a supply voltage drop and for resetting an initialization circuit
JPH09153777A (en) * 1995-11-28 1997-06-10 Mitsubishi Electric Corp Semiconductor device and comparator circuit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503344A (en) * 1982-04-09 1985-03-05 Honeywell Inc. Power up reset pulse generator
JPS6159932A (en) * 1984-08-31 1986-03-27 Fujitsu Ten Ltd Amplitude modulation stereo broadcast system identification device
JPS61123167A (en) * 1984-11-20 1986-06-11 Fujitsu Ltd Semiconductor integrated circuit
JPH0656879B2 (en) * 1984-11-20 1994-07-27 富士通株式会社 Semiconductor integrated circuit
JPS62234418A (en) * 1986-03-14 1987-10-14 ウエスタン、デジタル、コ−ポレ−シヨン Power-up reset circuit
US5027006A (en) * 1988-12-22 1991-06-25 Sgs-Thomson Microelectronics S.A. Circuit for detecting a supply voltage drop and for resetting an initialization circuit
JPH09153777A (en) * 1995-11-28 1997-06-10 Mitsubishi Electric Corp Semiconductor device and comparator circuit

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