GENERAL DESCRIPTION
The DS1813 EconoReset uses a precision temperature reference and comparator circuit to monitor the status of the power supply (VCC). When an out-of-tolerance condition is detected, an internal power-fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance condition, the reset signal is kept in the active state for approximately 150ms to allow the power supply and processor to stabilize.

FEATURES
ƒ Automatically Restarts a Microprocessor After Power Failure
ƒ Monitors Pushbutton for External Override
ƒ Maintains Reset for Typically 150ms After VCC Returns to an In-Tolerance Condition
ƒ Reduces Need for Discrete Components
ƒ Precision Temperature-Compensated Voltage Reference and Voltage Sensor
ƒ Low-Cost TO-92 or Space-Saving Surface Mount SOT-23 Packages Available
ƒ Efficient Open-Drain Output with Internal 5.5kΩ Pullup Resistor
ƒ -40°C to +85°C Operating Temperature