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Номер в каталоге(s) : MAX8997 MAX8997EWW
MaximIC
Maxim Integrated
Компоненты Описание : Supervisory Circuits MAX8997EWW+

MAX8997 Datasheet PDF : Supervisory Circuits MAX8997EWW+

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Номер в каталоге(s) : MIC70 MIC70_M MIC70_N MIC70__M MIC70__N
Micrel
Micrel
Компоненты Описание : µP Supervisory Circuits

Description
The MIC705/MIC706/MIC707/MIC708 are inexpensive microprocessor Supervisory Circuits that monitor power supplies in microprocessor based systems. The circuit functions include a watchdog timer, microprocessor reset, power failure warning and a debounced manual reset input.

Features
◾ Debounced Manual Reset Input is TTL/CMOS Compatible
◾ Reset Pulse Width, 200ms
◾ Watchdog Timer, 1.6s (MIC705/MIC706)
◾ 4.4V or 4.65V Precision Voltage Monitor
◾ Early Power Fail Warning or Low Battery Detect

Typical Applications
◾ Automotive Systems
◾ Intelligent Instruments
◾ Critical Microprocessor Power Monitoring
◾ Printers
◾ Computers
◾ Controllers

Номер в каталоге(s) : MAX691AD
MaximIC
Maxim Integrated
Компоненты Описание : Microprocessor Supervisory Circuits

General Description
The MAX691A/MAX693A/MAX800L/MAX800M microprocessor (µP) Supervisory Circuits are pin-compatible upgrades to the MAX691, MAX693, and MAX695. They improve performance with 30µA supply current, 200ms typ reset active delay on power-up, and 6ns chipenable propagation delay. Features include write protection of CMOS RAM or EEPROM, separate watchdog outputs, backup-battery switchover, and a RESET output that is valid with VCC down to 1V. The MAX691A/ MAX800L have a 4.65V typical reset-threshold voltage, and the MAX693A/MAX800M’s reset threshold is 4.4V typical. The MAX800L/MAX800M guarantee power-fail accuracies to ±2%

Features
♦ 200ms Power-OK/Reset Timeout Period
♦ 1µA Standby Current, 30µA Operating Current
♦ On-Board Gating of Chip-Enable Signals, 10ns Max Delay
♦ MaxCap™ or SuperCap™ Compatible
♦ Guaranteed RESET Assertion to VCC = +1V
♦ Voltage Monitor for Power-Fail or Low-Battery Warning
♦ Power-Fail Accuracy Guaranteed to ±2% (MAX800L/M)
♦ Available in 16-Pin Narrow SO and Plastic DIP Packages

Applications
   Computers
   Controllers
   Intelligent Instruments
   Automotive Systems
   Critical µP Power Monitoring

Номер в каталоге(s) : ADM8692 ADM8692ARNZ
ADI
Analog Devices
Компоненты Описание : Microprocessor Supervisory Circuits

GENERAL DESCRIPTION
The ADM869x family of Supervisory Circuits offers complete single- chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include microprocessor reset, backup battery switchover, watchdog timer, CMOS RAM write protection, and power failure warning. The complete family provides a variety of configurations to satisfy most microprocessor system requirements.

FEATURES
   Upgrade for ADM690 to ADM695, MAX690 to MAX695
   Specified over temperature
   Low power consumption (0.7 mW)
   Precision voltage monitor
   Reset assertion down to 1 V VCC
   Low switch on resistance 0.7 Ω normal, 7 Ω in backup
   High current drive (100 mA)
   Watchdog timer: 100 ms, 1.6 s, or adjustable
   400 nA standby current
   Automatic battery backup power switching
   Extremely fast gating of chip enable signals (3 ns)
   Voltage monitor for power fail
   Available in TSSOP package

APPLICATIONS
   Microprocessor systems
   Computers
   Controllers
   Intelligent instruments
   Automotive systems

Номер в каталоге(s) : ADM8692AN ADM8692ARN
ADI
Analog Devices
Компоненты Описание : Microprocessor Supervisory Circuits

GENERAL DESCRIPTION
The ADM8690–ADM8695 family of Supervisory Circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection and power failure warning. The complete family provides a variety of configurations to satisfy most microprocessor system requirements.

FEATURES
   Upgrade for ADM690/ADM695, MAX690–MAX695
   Specified Over Temperature
   Low Power Consumption (0.7 mW)
   Precision Voltage Monitor
   Reset Assertion Down to 1 V VCC
   Low Switch On-Resistance 0.7 Ω Normal,
      7 Ω in Backup
   High Current Drive (100 mA)
   Watchdog Timer—100 ms, 1.6 s, or Adjustable
   400 nA Standby Current
   Automatic Battery Backup Power Switching
   Extremely Fast Gating of Chip Enable Signals (3 ns)
   Voltage Monitor for Power Fail
   Available in TSSOP Package

APPLICATIONS
   Microprocessor Systems
   Computers
   Controllers
   Intelligent Instruments
   Automotive Systems

Номер в каталоге(s) : ADM8690-ADM8695 ADM8690ADM8695
ADI
Analog Devices
Компоненты Описание : Microprocessor Supervisory Circuits

GENERAL DESCRIPTION
The ADM8690–ADM8695 family of Supervisory Circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection and power failure warning. The complete family provides a variety of configurations to satisfy most microprocessor system requirements.
   
FEATURES
    Upgrade for ADM690/ADM695, MAX690–MAX695
    Specified Over Temperature
    Low Power Consumption (0.7 mW)
    Precision Voltage Monitor
    Reset Assertion Down to 1 V VCC
    Low Switch On-Resistance 0.7 Ω Normal,
        7 Ω in Backup
    High Current Drive (100 mA)
    Watchdog Timer—100 ms, 1.6 s, or Adjustable
    400 nA Standby Current
    Automatic Battery Backup Power Switching
    Extremely Fast Gating of Chip Enable Signals (3 ns)
    Voltage Monitor for Power Fail
    Available in TSSOP Package
   
APPLICATIONS
    Microprocessor Systems
    Computers
    Controllers
    Intelligent Instruments
    Automotive Systems
   

Номер в каталоге(s) : ADM8694 ADM8694AN ADM8694ARN
ADI
Analog Devices
Компоненты Описание : Microprocessor Supervisory Circuits

GENERAL DESCRIPTION
The ADM8690–ADM8695 family of Supervisory Circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection and power failure warning. The complete family provides a variety of configurations to satisfy most microprocessor system requirements.

FEATURES
   Upgrade for ADM690/ADM695, MAX690–MAX695
   Specified Over Temperature
   Low Power Consumption (0.7 mW)
   Precision Voltage Monitor
   Reset Assertion Down to 1 V VCC
   Low Switch On-Resistance 0.7 Ω Normal,
      7 Ω in Backup
   High Current Drive (100 mA)
   Watchdog Timer—100 ms, 1.6 s, or Adjustable
   400 nA Standby Current
   Automatic Battery Backup Power Switching
   Extremely Fast Gating of Chip Enable Signals (3 ns)
   Voltage Monitor for Power Fail
   Available in TSSOP Package

APPLICATIONS
   Microprocessor Systems
   Computers
   Controllers
   Intelligent Instruments
   Automotive Systems

Номер в каталоге(s) : MAX823_EUK MAX824_EUK MAX825_EUK
MaximIC
Maxim Integrated
Компоненты Описание : 5-Pin Microprocessor Supervisory Circuits

General Description
The MAX823/MAX824/MAX825* microprocessor (µP) Supervisory Circuits combine reset output, watchdog, and manual-reset input functions in a 5-pin SOT23-5 package. They significantly improve system reliability and accuracy compared to separate ICs or discrete components. The MAX823/MAX824/MAX825 are specifically designed to ignore fast transients on VCC.

Features
♦ Precision Monitoring of +3V, +3.3V, and +5V Power Supplies
♦ Operating Current: 10µA (MAX823L/M)
                                  3µA (MAX825T/S/R)
♦ Fully Specified Over Temperature
♦ 140ms Min Power-On Reset
♦ Guaranteed RESET Valid to VCC = 1V
♦ Power-Supply Transient Immunity
♦ Watchdog Timer with 1.6sec Timeout (MAX823/MAX824)
♦ Manual-Reset Input (MAX823/MAX825)
♦ No External Components

Applications
   Battery-Powered Computers and Controllers
   Embedded Controllers
   Intelligent Instruments
   Automotive Systems
   Critical µP Monitoring
   Portable/Battery-Powered Equipment

Номер в каталоге(s) : ADM8693ARU ADM8695AN ADM8691AN ADM8692ARU
ADI
Analog Devices
Компоненты Описание : Microprocessor Supervisory Circuits

GENERAL DESCRIPTION
The ADM8690–ADM8695 family of Supervisory Circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection and power failure warning. The complete family provides a variety of configurations to satisfy most microprocessor system requirements

FEATURES
   Upgrade for ADM690/ADM695, MAX690–MAX695
   Specified Over Temperature
   Low Power Consumption (0.7 mW)
   Precision Voltage Monitor
   Reset Assertion Down to 1 V VCC
   Low Switch On-Resistance 0.7 Ω Normal,
      7 Ω in Backup
   High Current Drive (100 mA)
   Watchdog Timer—100 ms, 1.6 s, or Adjustable
   400 nA Standby Current
   Automatic Battery Backup Power Switching
   Extremely Fast Gating of Chip Enable Signals (3 ns)
   Voltage Monitor for Power Fail
   Available in TSSOP Package

APPLICATIONS
   Microprocessor Systems
   Computers
   Controllers
   Intelligent Instruments
   Automotive Systems

Компоненты Описание : +3.0V/+3.3V low power microprocessor Supervisory Circuits

The SP706R/S/T and SR708R/S/T series is a family of microprocessor (up) Supervisory Circuits that integrate myriad componets involved in discrete solutions which monitor power-supply and battery in up and digital systems.

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