DS1238 MicroManager

Dallas

Description

DS1238 MicroManager www.dalsemi.com .
VBAT VCCO VCC GND PF RVT OSCIN OSCSEL IN NMI ST CEO CEI WDS RST RST - +3-Volt Battery Input - Switched SRAM Supply Output - +5-Volt Power Supply In.

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Datasheet Specifications

Part number: DS1238
Manufacturer: Dallas
File Size: 216.62 KB
Datasheet: DS1238_Dallas.pdf
Description: MicroManager

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

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 with MAX691 Standard 16-pin DIP or space-saving 16-pin SOIC Optional industrial temperature range -4

DS1238 Distributors

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DS1238 MicroManager Dallas

Dallas DS1238-like datasheet