CAT1022, CAT1021 - Supervisory Circuits

Catalyst Semiconductor

Datasheet Details

Part number	CAT1022, CAT1021
Manufacturer	Catalyst Semiconductor
File Size	303.04 KB
Description	Supervisory Circuits
Datasheet	CAT1021_CatalystSemiconductor.pdf
Note	This datasheet PDF includes multiple part numbers: CAT1022, CAT1021. Please refer to the document for exact specifications by model.

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 |