Maxim Integrated Voltage Supervisor 4-Pin SOT-23, MAX6315US31D3+T

Supervisory Circuit Ensures Reliable System Operation with Minimal Power Consumption
Precision, Factory-Set VCC Reset Thresholds: 100mV Increments from 2.5V to 5V
Four Reset Timeout Periods Available: 1ms, 20ms, 140ms, or 1120ms (min)
Immune to Short VCC Transients
Open-Drain active-low RESET Output Can Exceed VCC
Guaranteed Over Temperature
5μA Supply Current
Pin Compatible with MAX811
Saves Space
4-Pin SOT143 Package
Applications
Computers: Desktop, Workstation, Server
Controllers
Critical μP and μC Power Monitoring
Intelligent Instruments
Portable Battery-Powered Equipment