Voltage Supervisors | CAT823
Voltage Supervisor with Manual Reset and Watchdog
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概览
The CAT823 and CAT824 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 CAT823 also provides a manual reset input which can be used to initiate reset if pulled low. This input can be directly attached to a push-button or a processor signal.
- Microprocessor and Microcontroller Based Systems
- Intelligent Instruments
- Control Systems
- Critical μP Monitors
- Portable Equipment
- Automatically Restarts Microprocessor after Power Failure
- Monitors Pushbutton for Eexternal Override
- Accurate Under Voltage System Monitoring
- Brownout Detection System Reset for use with 3.0, 3.3, and 5.0 Volt Systems
- Pin and Function Compatible with the MAX823/24/25 Products
- Operating Range from -40°C to +85°C
- Available in TSOT-23 5-lead and SC-70 Packages
- These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant
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