DS1236A - MicroManager Chip

Product Overview

Datasheet Details

Part number	DS1236A
Manufacturer	DALLAS
File Size	320.45 KB
Description	MicroManager Chip
Datasheet	DS1236A Datasheet
Additional preview pages of the DS1236A datasheet.

Product details

Description

VBAT VCCO VCC GND PF PF WC/ SC RC IN NMI ST CEO CEI PBRST RST RST - +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) - Reset Control - Early Warning Input - Non-Maskable Interrupt - Strobe Input - Chip Enable Output - Chip Enable Input - Pushbutton Reset Input - Reset Output (Active Low) - Reset Output (Active High) DESCRIPTION The DS1236A MicroManager Chip provides all the

Features

Holds microprocessor in check during power transients Halts and restarts an out-of-control microprocessor Monitors pushbutton 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 at 25°C Controls external power switch for high current.

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Published: Jun 10, 2005 |