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DS1239 - MicroManager Chip

Datasheet Summary

Description

VBAT VCCO VCC GND PF PF WC/ SC PSI IN NMI ST CEO CEI PBRST RST PSO - +3 Volt Battery Input - Switched SRAM Supply Output - +5 Volt Power Supply Input - Ground - Power Fail (Active High) - Power Fail (Active Low) - Wake-Up Control (Sleep) - Power Supply Control Input - Early Warning Input - Non-M

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 appli.

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Datasheet preview – DS1239

Datasheet Details

Part number DS1239
Manufacturer DALLAS
File Size 56.43 KB
Description MicroManager Chip
Datasheet download datasheet DS1239 Datasheet
Additional preview pages of the DS1239 datasheet.

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DS1239 MicroManager Chip www.dalsemi.
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