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 1.5 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V Supplies

• Precision Monitoring Voltages from 1.2 V to 4.9 V Available in 100 mV Steps

• Four Guaranteed Minimum Power−On Reset Pulse Width Available (1 ms, 20 ms, 100 ms, and 140 ms)

• RESET Output Guaranteed to VCC = 1.0 V.

• Low Supply Current

• Compatible with Hot Plug Applications

• VCC Transient Immunity

• No External Components

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

• Pb−Free Packages are Available

Typical Applications

• Computers

• Embedded Systems

• Battery Powered Equipment

• Critical Microprocessor Power Supply Monitoring