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DS1813：5V EconoReset with Pushbutton

The DS1813 (5V) and DS1818 (3.3V) EconoResets are simple three-pin voltage monitors and power-on resets that hold reset for 150ms for stabilization after power returns to tolerance. The voltage monitor uses precision temperature reference and comparator circuits that detect out-of-tolerance conditions and generate an active low reset. The DS1813 (like the DS1811) has an open-drain output with an internal 5.5kΩ pull-up resistor for use in a wired-AND circuit. The DS1813 also monitors a pushbutton on the reset output, generating a reset when the pushbutton is released. EconoResets replace discrete components and save space, particularly in the new SOT-23 package. They can benefit any system that requires reliable processor operation, especially consumer products like printers, HVAC, energy management, cellular telephones, PDAs, and set-top boxes.

Key Features Voltage monitor for power-fail detection Monitors pushbutton for external over-ride Active low reset output 150ms pause for stabilization Efficient open-drain output with internal 5.5kΩ pull-up resistor Maximum quiescent current of 40µA Operating ranges: 5V with 5%, 10% or 15% tolerance -40°C to +85°C

DS1813: Block Diagram

DataSheet

Parametrics

Quality and Environmental Data

• DS1813.pdf

Ordering Information