Description: Microprocessor Supervisory Circuits
Features:

Monitors Single +5V Supply

Low Supply-Current Consumption: 0.5μA (Typ)

Adjustable Reset Threshold and Reset Timeout Period

Manual Reset Input

Open-Drain Reset Output

Power-Fail Comparator with Adjustable Threshold

Watchdog Timer with Adjustable Timeout Period

Watchdog Input for System Monitoring

Power-On Reset Output

Power-Supply Glitch Immunity

SOT23-5 and DIP-8 Packages

Applications:

Microprocessor-Based Systems

Personal Computers

Controllers

Instrumentation

Automotive Electronics(For reference only)
https://www.utsource.net/itm/p/72655.html