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DS1238

Part Number	DS1238
Manufacturer	Dallas
Description	MicroManager
Published	Jun 10, 2005
Detailed Description	DS1238 MicroManager www.dalsemi.com FEATURES Holds microprocessor in check during power transients Halts and restarts a...
Datasheet	DS1238 PDF File

Overview

DS1238 MicroManager www.
dalsemi.
com FEATURES Holds microprocessor in check during power transients Halts and restarts an out-of-control microprocessor Warns microprocessor of an impending power failure Converts CMOS SRAM into nonvolatile memory Unconditionally write-protects memory when power supply is out of tolerance Delays write protection until completion of the current memory cycle Consumes less than 200 nA of battery current Controls external power switch for high current applications Debounces pushbutton reset Accurate 10% power supply monitoring Optional 5% power supply monitoring designated DS1238-5 Provides orderly shutdown in microprocessor applications Pin-for-pin compatible wit...

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