KR970017909A - Externally Controllable Substrate Bias Voltage Generator Circuit - Google Patents
Externally Controllable Substrate Bias Voltage Generator Circuit Download PDFInfo
- Publication number
- KR970017909A KR970017909A KR1019950030029A KR19950030029A KR970017909A KR 970017909 A KR970017909 A KR 970017909A KR 1019950030029 A KR1019950030029 A KR 1019950030029A KR 19950030029 A KR19950030029 A KR 19950030029A KR 970017909 A KR970017909 A KR 970017909A
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- KR
- South Korea
- Prior art keywords
- voltage
- detector
- substrate
- detecting
- response
- Prior art date
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- Dram (AREA)
- Measurement Of Current Or Voltage (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
본 발명은 기판전압 발생회로에 관한 것으로서, 특히 기판전압을 검출하기 위한 검출부; 검출부의 출력을 지연하기 위한 지연부; 지연부의 출력에 응답하여 발진신호를 발생하는 발진부; 및 발진신호에 응답하여 기판의 전하를 펌핑하는 펌핑부를 구비한 기판전압 발생회로에 있어서, 검출부는 기판전압의 정상적인 레벨을 검출하기 위한 제1전압검출기 ; 기판전압의 적어도 하나 이상의 테스트 레벨을 검출하기 위한 적어도 하나 이상의 제2전압검출기; 및 외부 제어신호에 응답하여 테스트모드에서는 적어도 하나 이상의 제2전압검출기 중 선택된 전압검출기를 인에이블시키고 정상모드에서는 제1전압검출기를 인에이블시키는 모드선택부를 구비한다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a substrate voltage generation circuit, and in particular, a detector for detecting a substrate voltage; A delay unit for delaying the output of the detector; An oscillator for generating an oscillation signal in response to the output of the delay unit; And a pumping unit for pumping charge of the substrate in response to the oscillation signal, the substrate voltage generating circuit comprising: a first voltage detector for detecting a normal level of the substrate voltage; At least one second voltage detector for detecting at least one test level of the substrate voltage; And a mode selector for enabling the selected voltage detector of the at least one second voltage detector in the test mode in response to the external control signal, and enabling the first voltage detector in the normal mode.
따라서, 본 발명에서는 기판전압의 검출레벨을 패키지 외부에서 선택할 수 있어서 테스트시간을 단축시킬 수 있다.Therefore, in the present invention, the detection level of the substrate voltage can be selected outside the package, thereby reducing the test time.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제2도는 본 발명에 의한 외부 제어 가능한 기판 바이어스 전압 발생회로의 블럭도,2 is a block diagram of an externally controllable substrate bias voltage generation circuit according to the present invention;
제3도는 본 발명에 의한 외부 제어 가능한 기판 바이어스 전압 발생회로의 검출회로부의 바람직한 일실시예를 나타낸 회로 구성도.3 is a circuit diagram showing a preferred embodiment of the detection circuit portion of the externally controllable substrate bias voltage generation circuit according to the present invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950030029A KR970017909A (en) | 1995-09-14 | 1995-09-14 | Externally Controllable Substrate Bias Voltage Generator Circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950030029A KR970017909A (en) | 1995-09-14 | 1995-09-14 | Externally Controllable Substrate Bias Voltage Generator Circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR970017909A true KR970017909A (en) | 1997-04-30 |
Family
ID=66615714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950030029A KR970017909A (en) | 1995-09-14 | 1995-09-14 | Externally Controllable Substrate Bias Voltage Generator Circuit |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR970017909A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030041509A (en) * | 2001-11-20 | 2003-05-27 | 최인국 | storage tank for a water purifier |
-
1995
- 1995-09-14 KR KR1019950030029A patent/KR970017909A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030041509A (en) * | 2001-11-20 | 2003-05-27 | 최인국 | storage tank for a water purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WITN | Withdrawal due to no request for examination |