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MAX708 - Low-Cost / uP Supervisory Circuits

General Description

The MAX705

MAX708/MAX813L microprocessor (µP) supervisory circuits reduce the complexity and number of components required to monitor power-supply and battery functions in µP systems.

Key Features

  • Supervisory-Function Integration Significantly Improves System Reliability While Reducing Board Space.
  • μMAX Package.
  • Guaranteed RESET Valid at VCC = 1V -- 200ms Reset Pulse Width -- Debounced TTL/CMOS-Compatible Manual- Reset Input -- Active-High Reset Output (MAX707/MAX708/ MAX813L).
  • Precision-Supply Voltage Monitor -- 4.65V (MAX705/MAX707/MAX813L) -- 4.40V (MAX706/MAX708).
  • Voltage Monitor for Power-Fail or Low-Battery Warning Ordering Informa.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX700 Power-Supply Monitor
MAX701 Power-Supply Monitor
MAX702 Power-Supply Monitor
MAX703 Low-Cost P Supervisory Circuits
MAX704 Low-Cost P Supervisory Circuits

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Click here for production status of specific part numbers. MAX705–MAX708/MAX813L Low-Cost, μP Supervisory Circuits General Description The MAX705–MAX708/MAX813L microprocessor (µP) supervisory circuits reduce the complexity and number of components required to monitor power-supply and battery functions in µP systems. These devices significantly improve system reliability and accuracy compared to separate ICs or discrete components. The MAX705/MAX706/MAX813L provide four functions: 1) A reset output during power-up, power-down, and brownout conditions. 2) An independent watchdog output that goes low if the watchdog input has not been toggled within 1.6 seconds. 3) A 1.25V threshold detector for power-fail warning, lowbattery detection, or for monitoring a power supply other than +5V.