AT24C02是美国ATMEL公司的低功耗CMOS串行EEPROM，它是内含256×8位存储空间，具有工作电压宽（2.5～5.5V）、擦写次数多（大于10000次）、写入速度快（小于10ms）等特点。

-ATMEL Corporation of the United States of low-power CMOS serial EEPROM, it is comprised of 256 x 8 storage space, with wide operating voltage (2.5 to 5.5V), Erasable more often (more than 10,000), write fast (less than 10ms), and so on.