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DS1239

Part Number	DS1239
Manufacturer	DALLAS
Description	MicroManager Chip
Published	Jun 10, 2005
Detailed Description	DS1239 MicroManager Chip www.dalsemi.com FEATURES Provides necessary control for start up and shutdown of power supply ...
Datasheet	DS1239 PDF File

Overview

DS1239 MicroManager Chip www.
dalsemi.
com FEATURES Provides necessary control for start up and shutdown of power supply from keyboard Holds microprocessor in check during power transients Halts and restarts an out-of-control microprocessor Monitors push button for external override Warns microprocessor of an impending power failure Converts CMOS SRAM into nonvolatile memory Unconditionally write-protects memory when power supply is out of tolerance Consumes less than 100 nA of battery current Controls external power switch for high current applications Accurate 10% power supply monitoring Optional 5% power supply monitoring designated DS1239-5 Provides orderly shutdown in nonvolatile micropr...

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