CAT1021 - Supervisory Circuits

Product Overview

Catalyst Semiconductor

Part number	CAT1021
Manufacturer	Catalyst Semiconductor
File Size	303.04 KB
Description	Supervisory Circuits
Datasheet	CAT1021 Datasheet
Additional preview pages of the CAT1021 datasheet.

The CAT1021, CAT1022 and CAT1023 are complete memory and supervisory solutions for microcontrollerbased systems.

Precision Power Supply Voltage Monitor.
5V, 3.3V and 3V systems.
Five threshold voltage options Watchdog Timer Active High or Low Reset.
Valid reset guaranteed at VCC = 1V 400kHz I2C Bus 2.7V to 5.5V Operation Low power CMOS technology 16-Byte Page Write Buffer Built-in inadvertent write protection.
WP pin (CAT1021) All supervisors have a 1.6 second watchdog timer circuit that resets a system to a known state if software or a Manual Reset Input hardware glitch.

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Published: Apr 19, 2007 |