JPS5621211A - Power-on-reset circuit - Google Patents
Power-on-reset circuitInfo
- 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
Links
Landscapes
- Electronic Switches (AREA)
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
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)
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)
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 |
-
1979
- 1979-07-30 JP JP9783979A patent/JPS5621211A/en active Pending
Patent Citations (2)
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)
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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