CAT823, CAT824, CAT825
System Supervisory
Voltage Reset with Watchdog and Manual Reset
Description
The CAT823, CAT824, and CAT825 provide basic reset and monitoring functions for the electronic systems.
Each device monitors the system
voltage and maintains a reset output until that
voltage reaches the device’s specified trip value and then maintains the reset output active condition until the device’s internal timer, after a minimum timer of 140 ms; to allow the systems power supply to stabilize.
The CAT823 and CAT824 also have a watchdog input which can be used to monitor a system signal and cause a reset to be issued if the signal fails to change state prior to a timeout condition.
The C...