Features: *Watchdog Timer on SDA for 24C321/641*Programmable Reset Threshold* 400 KHz I2C Bus Compatible*2.7 to 6 Volt Operation* Low Power CMOS Technology*32 - Byte Page Write Buffer* Built-in inadvertent write protection - VCC Lock Out* Active High or Low Reset Outputs - Precision Power Supply V...
CAT24C: Features: *Watchdog Timer on SDA for 24C321/641*Programmable Reset Threshold* 400 KHz I2C Bus Compatible*2.7 to 6 Volt Operation* Low Power CMOS Technology*32 - Byte Page Write Buffer* Built-in inad...
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The CAT24CXXX is a single chip solution to three popular functions of EEPROM memory, precision reset controller and watchdog timer. The 24C321/322(32K) and 24C641/642(64K) feature a I2C Serial CMOS EEPROM. Catalyst's advanced CMOS technology sub- stantially reduces device power requirements. The 24CXXX features a 32-byte page and is available in 8-pin DIP or 8-pin SOIC packages.
The reset function of the CAT24CXXX protects the system during brown out and power up/down conditions. During system failure the watchdog timer feature protects the microcontroller with a reset signal. 24CXXX features active low reset on pin 2 and active high reset on pin 7. 24C321/641 features watchdog timer on the SDA line. 24C322/642 does not feature the watchdog timer function.