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CAT1021 Datasheet Supervisory Circuits

Manufacturer: Catalyst Semiconductor

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Datasheet Details

Part number CAT1021
Manufacturer Catalyst Semiconductor
File Size 303.04 KB
Description Supervisory Circuits
Datasheet download datasheet CAT1021 Datasheet

Overview

CAT1021, CAT1022, CAT1023 Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog.

Key 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.

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