μP Supervisor with Watchdog Timer, Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset

Designed with high reset threshold accuracy and low power consumption, the ISL88705, ISL88706, ISL88707, ISL88708, ISL88716 and ISL88813 devices are microprocessor supervisors that are designed to monitor power-supply and battery functions in microprocessor systems. They can help to lower system cost, reduce board space requirements and increase the reliability of systems.

Features

? Fixed-Voltage Options Allow Precise Monitoring of +3.0V, +3.3V, and +5.0V Power Supplies

? Additional Voltage Monitor for Power-Fail Detection or Low-Battery Warning

- Monitors Voltages Down to 1.25V

- Adjustable Power-Fail Input Threshold

? Watchdog Timer Capability With 1.6s Time-out

? Both RST and RST Outputs Available

? 140ms Minimum Reset Pulse Width with Option to Customize Using an External Capacitor

? Manual Reset Input on all Devices

? Reset Signal Valid Down to VDD = 1V

? Accurate ±1.8 Voltage Threshold

? Immune to Power-Supply Transients

? Ultra Low 10μA Maximum Supply Current at 3V

? Pb-Free (RoHS Compliant)

Applications

? Portable/Battery Powered Equipment

? Notebook/Desktop Computer Systems

? Designs Using DSPs, Microcontrollers or Microprocessors

? Controllers

? Intelligent Instruments

? Communications Systems

? Industrial Equipment

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