DS1813R-10+T&R

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. The DS1813 also monitors a pushbutton on the reset output. If the reset line is pulled low, a reset is generated upon release and will be held in reset output low for typically 150ms.

• Automatically Restarts a Microprocessor After Power Failure
• Monitors Pushbutton for External Override
• Maintains Reset for Typically 150ms After Vcc Returns to an In-Tolerance Condition
• Reduces Need for Discrete Components
• Precision Temperature-Compensated Voltage Reference and Voltage Sensor
• Efficient Open-Drain Output with Internal 5.5kΩ Pullup Resistor

Notas

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