General Description

The MIC705, MIC706, MIC707, and MIC708 are inexpensive mircoprocessor supervisory circuit that monitors power supplies in microprocessor based systems. The circuit functions include a watchdog timer, microprocessor reset, backup battery switchover, power failure warning and a debounced manual reset input.

Features

• Debounced manual reset input is TTL/CMOS Compatible

• Watchdog timer, 1.6s (MIC705/706)

• 4.65V or 4.40V Precision Voltage Monitor

• Early power fail warning or low battery detect

Applications

• Automotive systems

• Intelligent systems

• Critical microprocessor power monitoring

• Battery powered computers

• Computers

• Controllers