JP5572283B2 - 電圧検知回路 - Google Patents
電圧検知回路 Download PDFInfo
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- JP5572283B2 JP5572283B2 JP2007280506A JP2007280506A JP5572283B2 JP 5572283 B2 JP5572283 B2 JP 5572283B2 JP 2007280506 A JP2007280506 A JP 2007280506A JP 2007280506 A JP2007280506 A JP 2007280506A JP 5572283 B2 JP5572283 B2 JP 5572283B2
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- Prior art keywords
- voltage
- transistor
- transistors
- circuit
- internal
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
- G01R19/16519—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using FET's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16552—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies in I.C. power supplies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dram (AREA)
- Semiconductor Integrated Circuits (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
Vdiff=VPP/3
となり、検出信号Vdiffの変動量も内部電圧VPPの変動量の1/3となる。このため、電圧変動に対する感度が低く、内部電圧を十分に安定化させることが困難であった。
VPP−Vref1
で与えられ、トランジスタ12,13の接続点(接点b1)のレベル、すなわち、検出信号Vdiffのレベルは
VPP−2×Vref1 ・・・(1)
で与えられることになる。
VPP−Vref1
で与えられ、トランジスタ21,22の接続点(接点a2)のレベル、すなわち、検出信号Vdiffのレベルは
2×VPP−2×Vref1 ・・・(2)
で与えられることになる。
Vref3−(Vref4−VBB)
で与えられ、トランジスタ32,33の接続点(接点b3)のレベル、すなわち、検出信号Vdiffのレベルは
Vref3−2×(Vref4−VBB) ・・・(3)
で与えられることになる。
VBB+Vref3−Vref4
で与えられ、トランジスタ41,42の接続点(接点a4)のレベル、すなわち、検出信号Vdiffのレベルは
VBB+2×(Vref3−Vref4) ・・・(4)
で与えられることになる。
Vout−Vref5 ・・・(5)
で与えられることになる。
Vout−Vref5 ・・・(6)
で与えられることになる。
11,12,13,31,32,33,203,204 Nチャンネル型MOSトランジスタ
14,24,34,44,201 コンパレータ
21,22,23,41,42,43,202,213,214 Pチャンネル型MOSトランジスタ
100,101 半導体装置
110,111 内部電圧生成回路
121,122,123 内部回路
130,131 基準電圧生成回路
200,210 内部降圧電源発生回路
Claims (4)
- 第1及び第2の配線間の電圧を検知する電圧検知回路であって、前記第1及び第2の配線間に直列接続された少なくとも第1及び第2のトランジスタを備え、
前記第1のトランジスタのゲートに第1の基準電圧が供給され、前記第2のトランジスタのゲートとドレインが短絡され、前記第1のトランジスタのドレインと前記第2のトランジスタのソースの接続点から検出信号が出力され、
前記検出信号と第2の基準電圧とを比較するコンパレータをさらに備え、
前記第2の配線と前記第2のトランジスタとの間に接続された第3のトランジスタをさらに備え、前記第3のトランジスタのゲートに前記コンパレータの出力が供給され、
前記第1及び第2のトランジスタがNチャンネル型MOSトランジスタであり、前記第1の基準電圧が前記第2の基準電圧よりも高電位であることを特徴とする電圧検知回路。 - 前記第1のトランジスタのソースが前記第1の配線に接続され、前記第1の配線に印加される電位は前記第2の配線に印加される電位よりも低いことを特徴とする請求項1に記載の電圧検知回路。
- 第1及び第2の配線間の電圧を検知する電圧検知回路であって、前記第1及び第2の配線間に直列接続された少なくとも第1及び第2のトランジスタを備え、
前記第1のトランジスタのゲートに第1の基準電圧が供給され、前記第2のトランジスタのゲートとドレインが短絡され、前記第1のトランジスタのドレインと前記第2のトランジスタのソースの接続点から検出信号が出力され、
前記検出信号と第2の基準電圧とを比較するコンパレータをさらに備え、
前記第1の配線と前記第1のトランジスタとの間に接続された第3のトランジスタをさらに備え、前記第3のトランジスタのゲートに前記コンパレータの出力が供給され、
前記第1及び第2のトランジスタがPチャンネル型MOSトランジスタであり、前記第1の基準電圧が前記第2の基準電圧よりも低電位であることを特徴とする電圧検知回路。 - 前記第1のトランジスタと前記第2のトランジスタが同じサイズであることを特徴とする請求項1乃至3のいずれか一項に記載の電圧検知回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007280506A JP5572283B2 (ja) | 2007-10-29 | 2007-10-29 | 電圧検知回路 |
US12/259,923 US7750659B2 (en) | 2007-10-29 | 2008-10-28 | Voltage detecting circuit and semiconductor device including the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007280506A JP5572283B2 (ja) | 2007-10-29 | 2007-10-29 | 電圧検知回路 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014134307A Division JP2014225267A (ja) | 2014-06-30 | 2014-06-30 | 電圧検知回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009110175A JP2009110175A (ja) | 2009-05-21 |
JP5572283B2 true JP5572283B2 (ja) | 2014-08-13 |
Family
ID=40587445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007280506A Active JP5572283B2 (ja) | 2007-10-29 | 2007-10-29 | 電圧検知回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7750659B2 (ja) |
JP (1) | JP5572283B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010187047A (ja) * | 2009-02-10 | 2010-08-26 | Renesas Electronics Corp | テスト回路、及びテスト方法 |
US10094859B1 (en) * | 2017-07-19 | 2018-10-09 | Invecas, Inc. | Voltage detector |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2543872B2 (ja) * | 1986-08-13 | 1996-10-16 | 株式会社東芝 | 増幅回路 |
JPH03209695A (ja) * | 1990-01-12 | 1991-09-12 | Nec Corp | 集積回路装置 |
KR920010633A (ko) * | 1990-11-30 | 1992-06-26 | 김광호 | 반도체 메모리 장치의 기준전압 발생회로 |
AU5597194A (en) * | 1992-11-24 | 1994-06-22 | Medtronic, Inc. | Implantable medical device with magnetically actuated switch |
US6049447A (en) * | 1993-09-08 | 2000-04-11 | Siemens Ag | Current limiting device |
EP0661713B1 (en) * | 1993-12-31 | 1999-06-09 | STMicroelectronics S.r.l. | Circuit for detecting a drop of a supply voltage |
US5654655A (en) * | 1994-05-27 | 1997-08-05 | Advantest Corporation | Driver circuit for semiconductor test system |
US5801533A (en) * | 1996-09-17 | 1998-09-01 | Intel Corporation | Method and apparatus with cascode biasing magneto field effect transistors for improved sensitivity and amplification |
KR100223849B1 (ko) | 1996-10-24 | 1999-10-15 | 구본준 | 반도체 메모리장치 |
JPH11306780A (ja) * | 1998-04-17 | 1999-11-05 | Hitachi Ltd | 電源回路及び半導体記憶装置並びにデータ処理装置 |
JP2000014134A (ja) | 1998-06-17 | 2000-01-14 | Canon Inc | 高圧電源回路 |
US6693448B1 (en) * | 1998-08-24 | 2004-02-17 | Renesas Technology Corporation | Semiconductor integrated circuit |
JP3594119B2 (ja) | 1999-08-26 | 2004-11-24 | シャープ株式会社 | 直流安定化電源装置 |
JP4473427B2 (ja) * | 2000-08-03 | 2010-06-02 | エーユー オプトロニクス コーポレイション | アレイ基板の検査方法及び該検査装置 |
US6542409B2 (en) * | 2001-07-19 | 2003-04-01 | Fujitsu Limited | System for reference current tracking in a semiconductor device |
TWI240078B (en) * | 2001-11-09 | 2005-09-21 | Macronix Int Co Ltd | Circuit for measuring capacitance and measuring method using the same |
CN100382419C (zh) * | 2002-09-11 | 2008-04-16 | 三菱电机株式会社 | 电压检测电路和使用它的内部电压发生电路 |
US6842027B2 (en) * | 2002-10-07 | 2005-01-11 | Intel Corporation | Method and apparatus for detection and quantification of on-die voltage noise in microcircuits |
-
2007
- 2007-10-29 JP JP2007280506A patent/JP5572283B2/ja active Active
-
2008
- 2008-10-28 US US12/259,923 patent/US7750659B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2009110175A (ja) | 2009-05-21 |
US20090115402A1 (en) | 2009-05-07 |
US7750659B2 (en) | 2010-07-06 |
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