Specifications:

Automatically restarts microprocessor after power failure
Monitors pushbutton for external override
Internal circuitry debounces pushbutton switch
Maintains reset for 350ms after VCCreturns to an in-tolerance condition or pushbutton released
Accurate 5%, 10%, or 15% microprocessor 5V power supply monitoring
Reduces need for discrete components
Precision temperature-compensated voltage reference and voltage sensor
Low-cost TO-92 package or surface-mount SOT-223 package
Internal 5kpull-up resistor
Operating temperature of -40C to 85C