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MAX707C Datasheet PDF - Maxim Integrated

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Part Name
MAX707C

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MFG CO.
MaximIC
Maxim Integrated MaximIC

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 signifcantly 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, low battery detection, or for monitoring a power supply other than +5V.
4) An active-low manual-reset input.

The MAX707/MAX708 are the same as the MAX705/MAX706, except an active-high reset is substituted for the watchdog timer. The MAX813L is the same as the MAX705, except RESET is provided instead of RESET.
Two supply-voltage monitor levels are available: The MAX705/MAX707/MAX813L generate a reset pulse when the supply voltage drops below 4.65V, while the MAX706/MAX708 generate a reset pulse below 4.40V. All four parts are available in 8-pin DIP, SO, and µMAX® packages.

Benefts and 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
  
Applications
● Computers
● Controllers
● Intelligent Instruments
● Critical μP Power Monitoring


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