FM809 circuits equivalent, 3-pin c supervisor circuits.
I VTH voltages of 4.63V, 4.38V, 4.00V, 3.08V, 2.93V and 2.63V I RESET (FM809) or RESET (FM810) output
Typical Operating Circuit
VCC VCC
FM809
µC
RESET RESET I/P GND
GN.
I I I I I Microcontrollers and Microprocessors Appliances Power-Supply Monitoring Portable Equipment Automotive Systems
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The FM809/810 are supervisor circuits that monitor power supply or other system voltages and issue reset pulse whenever the voltage being monitored is out of tolerance. Once asserted, the reset pulse is guaranteed to be valid for a minimum of 140ms (.
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