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CAT1022

Part Number	CAT1022
Manufacturer	Catalyst Semiconductor
Description	Supervisory Circuits
Published	Apr 19, 2007
Detailed Description	CAT1021, CAT1022, CAT1023 Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer FEAT...
Datasheet	CAT1022 PDF File

Overview

CAT1021, CAT1022, CAT1023 Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer FEATURES 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 halts or “hangs” the system.
For the www.
DataSheet4U.
com CAT1021 and CAT1022, the watchdog timer monitors ...

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