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MAX690 Datasheet PDF - Maxim Integrated

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MFG CO.
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MAX690 Datasheet PDF : MAX690 pdf     
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General Description
These microprocessor (µP) supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery-control functions in µP systems. They significantly improve system reliability and accuracy compared to separate ICs or discrete components.
These devices are designed for use in systems powered by 3.0V or 3.3V supplies. See the selector guide in the back of this data sheet for similar devices designed for 5V systems. The suffixes denote different reset threshold voltages: 3.075V (T), 2.925V (S), and 2.625V (R) (see the Reset Thresholdsection in the Detailed Description). All these parts are available in 8-pin DIP and SO packages.

Features
♦ RESET and RESET Outputs
♦ Manual Reset Input
♦ Precision Supply-Voltage Monitor
♦ 200ms Reset Time Delay
♦ Watchdog Timer (1.6s timeout)
♦ Battery-Backup Power Switching—Battery Can Exceed VCCin Normal Operation
♦ 40µA VCCSupply Current
♦ 1µA Battery Supply Current
♦ Voltage Monitor for Power-Fail or Low-Battery Warning
♦ Guaranteed RESET Assertion to VCC= 1V
♦ 8-Pin DIP and SO Packages

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

 

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