Maxim Integrated Voltage Supervisor 8-Pin SO, ICL7665AESA+

μP Over/Undervoltage Warning
Improved Second Source
Dual Comparator with Precision Internal Reference
3μA Operating Current
2% Threshold Accuracy
1.6V to 16V Supply Voltage Range
On-Board Hysteresis Outputs
Externally Programmable Trip Points
Monolithic, Low-Power CMOS Design
Applications
μP Voltage Monitoring
Battery-Backup Switching
High/Low Temperature, Pressure, Voltage Alarms
Low-Battery Detection
Over/Undervoltage Protection
Power Supply Fault Monitoring
Power-Fail and Brownout Detection