JPH03175723A - Power-on signal generation circuit - Google Patents
Power-on signal generation circuitInfo
- Publication number
- JPH03175723A JPH03175723A JP31578889A JP31578889A JPH03175723A JP H03175723 A JPH03175723 A JP H03175723A JP 31578889 A JP31578889 A JP 31578889A JP 31578889 A JP31578889 A JP 31578889A JP H03175723 A JPH03175723 A JP H03175723A
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- voltage
- generation circuit
- current
- source voltage
- 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
Abstract
PURPOSE: To realize low power consumption by reducing through current on an inverter by providing a resistor between the drain of the transistor of a voltage generation circuit and the output terminal of the voltage generation circuit.
CONSTITUTION: A voltage V1 generated at the voltage generation circuit 1 turns off the transistor T1 in an area where a low source voltage Vcc exists, and it goes to the voltage almost equal to the source voltage VCC. When the source voltage VCC rises gradually and the transistor T1 is turned on, a current flows on the resistors R1, R2, therefore, the influence of the resistor R2 is given, a voltage V2 is decreased adversely according to the rise of the source voltage VCC and the increment of the current on the drain of the transistor T1. Therefore, since the gate voltage of the transistor T2 is decreased according to the rise of the source voltage VCC. the through current I1 of the inverter 2 can be reduced.
COPYRIGHT: (C)1991,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31578889A JPH03175723A (en) | 1989-12-04 | 1989-12-04 | Power-on signal generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31578889A JPH03175723A (en) | 1989-12-04 | 1989-12-04 | Power-on signal generation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03175723A true JPH03175723A (en) | 1991-07-30 |
Family
ID=18069568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31578889A Pending JPH03175723A (en) | 1989-12-04 | 1989-12-04 | Power-on signal generation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03175723A (en) |
-
1989
- 1989-12-04 JP JP31578889A patent/JPH03175723A/en active Pending
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