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 3.0V, 3.3V, and 5.0V Supplies

• 140msec Guaranteed Minimum RESET, RESET Output Duration

• RESET Output Guaranteed to VCC = 1.0V (MAX809)

• Low 17µA Supply Current

• VCC Transient Immunity

• Small SOT–23 Package

• No External Components

• Wide Operating Temperature: –40°C to 85°C

Typical Applications

• Computers

• Embedded Systems

• Battery Powered Equipment

• Critical µP Power Supply Monitoring