DE69417622T2 - Spannungskomparator mit einer Summierung von auf dem Bandgap-Prinzip beruhenden Gleichströmen und diesen enthaltender Versorgungsspannungsschalter - Google Patents

Spannungskomparator mit einer Summierung von auf dem Bandgap-Prinzip beruhenden Gleichströmen und diesen enthaltender Versorgungsspannungsschalter

Info

Publication number
DE69417622T2
DE69417622T2 DE69417622T DE69417622T DE69417622T2 DE 69417622 T2 DE69417622 T2 DE 69417622T2 DE 69417622 T DE69417622 T DE 69417622T DE 69417622 T DE69417622 T DE 69417622T DE 69417622 T2 DE69417622 T2 DE 69417622T2
Authority
DE
Germany
Prior art keywords
summation
direct currents
supply voltage
currents based
switch containing
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.)
Expired - Fee Related
Application number
DE69417622T
Other languages
English (en)
Other versions
DE69417622D1 (de
Inventor
William Carl Slemmer
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.)
STMicroelectronics lnc USA
Original Assignee
STMicroelectronics lnc USA
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 STMicroelectronics lnc USA filed Critical STMicroelectronics lnc USA
Application granted granted Critical
Publication of DE69417622D1 publication Critical patent/DE69417622D1/de
Publication of DE69417622T2 publication Critical patent/DE69417622T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/30—Regulators using the difference between the base-emitter voltages of two bipolar transistors operating at different current densities
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/141—Battery and back-up supplies
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/143—Detection of memory cassette insertion or removal; Continuity checks of supply or ground lines; Detection of supply variations, interruptions or levels ; Switching between alternative supplies
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26—Current mirrors
    • G05F3/262—Current mirrors using field-effect transistors only

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electrical Variables (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Static Random-Access Memory (AREA)
DE69417622T 1993-04-30 1994-04-28 Spannungskomparator mit einer Summierung von auf dem Bandgap-Prinzip beruhenden Gleichströmen und diesen enthaltender Versorgungsspannungsschalter Expired - Fee Related DE69417622T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5630193A 1993-04-30 1993-04-30

Publications (2)

Publication Number Publication Date
DE69417622D1 DE69417622D1 (de) 1999-05-12
DE69417622T2 true DE69417622T2 (de) 1999-09-09

Family

ID=22003501

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417622T Expired - Fee Related DE69417622T2 (de) 1993-04-30 1994-04-28 Spannungskomparator mit einer Summierung von auf dem Bandgap-Prinzip beruhenden Gleichströmen und diesen enthaltender Versorgungsspannungsschalter

Country Status (4)

Country Link
US (2) US5781043A (de)
EP (1) EP0627817B1 (de)
JP (1) JPH0778481A (de)
DE (1) DE69417622T2 (de)

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US5894423A (en) * 1996-12-26 1999-04-13 Motorola Inc. Data processing system having an auto-ranging low voltage detection circuit
US5936392A (en) * 1997-05-06 1999-08-10 Vlsi Technology, Inc. Current source, reference voltage generator, method of defining a PTAT current source, and method of providing a temperature compensated reference voltage
US5841724A (en) * 1997-06-12 1998-11-24 Enable Semiconductor, Inc. Voltage source and memory-voltage switch in a memory chip
US6037833A (en) * 1997-11-10 2000-03-14 Philips Electronics North America Corporation Generator for generating voltage proportional to absolute temperature
JP3954245B2 (ja) * 1999-07-22 2007-08-08 株式会社東芝 電圧発生回路
US6281734B1 (en) * 1999-12-31 2001-08-28 Stmicroelectronics, Inc. Reference voltage adjustment
US6268764B1 (en) * 2000-02-18 2001-07-31 Microchip Technology Incorporated Bandgap voltage comparator used as a low voltage detection circuit
TW479904U (en) * 2000-10-09 2002-03-11 Sunplus Technology Co Ltd Diode circuit to simulate zero cutoff voltage and the rectifying circuit having zero cutoff voltage characteristics
US7665063B1 (en) 2004-05-26 2010-02-16 Pegasystems, Inc. Integration of declarative rule-based processing with procedural programming
DE102004038552B4 (de) * 2004-08-06 2006-05-11 Atmel Germany Gmbh Spannungskomparator
US7116588B2 (en) * 2004-09-01 2006-10-03 Micron Technology, Inc. Low supply voltage temperature compensated reference voltage generator and method
US20060164128A1 (en) * 2005-01-21 2006-07-27 Miller Ira G Low current power supply monitor circuit
US7633334B1 (en) * 2005-01-28 2009-12-15 Marvell International Ltd. Bandgap voltage reference circuit working under wide supply range
US8335704B2 (en) 2005-01-28 2012-12-18 Pegasystems Inc. Methods and apparatus for work management and routing
KR100746293B1 (ko) * 2006-02-01 2007-08-03 삼성전자주식회사 캐스코드형 전류 모드 비교기, 이를 구비하는 수신 회로 및반도체 장치
US8924335B1 (en) 2006-03-30 2014-12-30 Pegasystems Inc. Rule-based user interface conformance methods
CN101427192A (zh) * 2006-04-25 2009-05-06 Nxp股份有限公司 针对电压参考和/或电流参考的电路装置以及相应方法
US8250525B2 (en) 2007-03-02 2012-08-21 Pegasystems Inc. Proactive performance management for multi-user enterprise software systems
FI20075322A0 (fi) * 2007-05-07 2007-05-07 Nokia Corp Teholähteitä RF-tehovahvistimelle
CN101557215B (zh) * 2008-07-07 2012-06-13 西安民展微电子有限公司 一种电压比较器
US20100026375A1 (en) * 2008-07-29 2010-02-04 Texas Instruments Incorporated Circuit to generate cmos level signal to track core supply voltage (vdd) level
US8027187B2 (en) * 2008-09-12 2011-09-27 Micron Technology, Inc. Memory sensing devices, methods, and systems
US8843435B1 (en) 2009-03-12 2014-09-23 Pegasystems Inc. Techniques for dynamic data processing
US8468492B1 (en) 2009-03-30 2013-06-18 Pegasystems, Inc. System and method for creation and modification of software applications
US8880487B1 (en) 2011-02-18 2014-11-04 Pegasystems Inc. Systems and methods for distributed rules processing
US9195936B1 (en) 2011-12-30 2015-11-24 Pegasystems Inc. System and method for updating or modifying an application without manual coding
US10469396B2 (en) 2014-10-10 2019-11-05 Pegasystems, Inc. Event processing with enhanced throughput
US10698599B2 (en) 2016-06-03 2020-06-30 Pegasystems, Inc. Connecting graphical shapes using gestures
US10698647B2 (en) 2016-07-11 2020-06-30 Pegasystems Inc. Selective sharing for collaborative application usage
US11048488B2 (en) 2018-08-14 2021-06-29 Pegasystems, Inc. Software code optimizer and method
US11567945B1 (en) 2020-08-27 2023-01-31 Pegasystems Inc. Customized digital content generation systems and methods

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US5373227A (en) * 1993-03-26 1994-12-13 Micron Semiconductor, Inc. Control circuit responsive to its supply voltage level
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Also Published As

Publication number Publication date
EP0627817A1 (de) 1994-12-07
US5781043A (en) 1998-07-14
DE69417622D1 (de) 1999-05-12
JPH0778481A (ja) 1995-03-20
USRE39918E1 (en) 2007-11-13
EP0627817B1 (de) 1999-04-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee