Microprocessor Supervisory & Reset Circuits (4.0V to 4.4V), Maxim Integrated

Microprocessor Supply Voltage Supervisory & Reset Circuits
Power supply voltage monitoring and supervisory circuits for use in desktop, laptop and notebook computers, test and measurement instruments, portable battery-powered equipment and multiple-output power supplies.

Supply Voltage Detector
Supply Voltage Supervisor
Power Supply Supervisor
Microprocessor Supervisory
Microprocessor Voltage Supervisor
Microcontroller Reset Circuit