CAT823, CAT824 System Supervisory Voltage Reset with Watchdog and Manual Reset
●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.
■Features：
● Automatically Restarts Microprocessor after Power Failure
● Monitors Pushbutton for External Override
● Accurate Under Voltage System Monitoring
● Brownout Detection System Reset for use with 3.0, 3.3, and 5.0 V Systems
● Pin and Function Compatible with the MAX823/24 Products
● Operating Range from −40°C to +85°C
● Available in TSOT−23 5−lead Package
● These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
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CAT823 、 CAT824 、 CAT823TTDI−GT3 、 CAT823STDI−GT3 、 CAT823RTDI−GT3 、 CAT823ZTDI−GT3 、 CAT823YTDI−GT3 、 CAT824MTDI−GT3 、 CAT824UTDI−GT3 |
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[ Microprocessor ][ Microcontroller Based Systems ][ Intelligent Instruments ][ Control Systems ][ Critical P Monitors ][ Portable Equipment ] |
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Datasheet |
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Please see the document for details |
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TSOT−23−5 |
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English Chinese Chinese and English Japanese |
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2022/2/10 |
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Rev. 9 |
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CAT823/D |
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186 KB |
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