
Maxim Integrated
BENEFITS AND FEATURES
• Improves Reliability of Processor Operation
o Temperature-Compensated Voltage Monitor for Precise, Automated Power Fail Detection
o Automatically Restarts a Microprocessor After Power Failure
o Maintains Reset for 150ms After VCC Returns to Tolerance for Processor Stabilization
o Monitors Pushbutton for External Override
o Active-Low Reset Output
• Efficient Open-Drain Output with Internal 5.5kΩ Pullup Resistor Saves Power and Space
o 35µA (max) Quiescent Current
• Allows for Easy Design with No Complicated Settings
o Fixed 3.3V Reset Threshold
o 5%, 10%, and 20% Tolerance Versions Available
• Operates in Most Commercial and Industrial Environments
o -40°C to +85°C Operating Temperature Range
• MXD1818 Offers Improved Performance over the DS1818