The MAX809 and MAX810 are cost–effective system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. No external components are required.

Features

• Precision VCC Monitor for 2.5 V, 3.0 V, 3.3 V, and 5.0 V Supplies

• Precision Monitoring Voltages from 1.6 V to 4.9 V Available in 100 mV Steps

• 140 msec Guaranteed Minimum RESET Output Duration

• RESET Output Guaranteed to VCC = 1.0 V

• Low Supply Current

• VCC Transient Immunity

• Small SOT–23 Package

• No External Components

• Wide Operating Temperature: –40°C to 105°C

Typical Applications

• Computers

• Embedded Systems

• Battery Powered Equipment

• Critical µP Power Supply Monitoring