AT24C512是ATMEL公司新近推出的具有I2C总线容量达512Kbit（64K×8）的E2PROM，该芯片的主要特性如下：存储容量为65536byte；与100kHz、400kHz、1MHzI2C总线兼容；100000次编程/擦写周期；单电源、读写电压为1.8V～5.5V；ESD保护电压>4kV；数据可保存40年；写保护功能，当WP为高电平时，进入写保护状态；CMOS低功耗技术，最大写入电流为3mA；128byte页写入缓存器；自动定时的写周期；具有8引脚DIP及20引脚SOIC封装等多种封装形式。-ATMEL Corporation AT24C512 is a newly launched I2C bus has a capacity of 512Kbit (64K × 8) of the E2PROM, the chip s main characteristics are as follows: storage capacity for 65536byte　with 100kHz, 400kHz, 1MHzI2C Bus compatible　100000 times Programming/rub write cycle　single-supply, read and write voltage of 1.8V ~ 5.5V　ESD voltage protection> 4kV　data can be stored for 40 years　write-protect function, when WP is high when entering the write-protected status　CMOS low-power technology, Maximum write current of 3mA　128byte page write buffer　auto-timing write cycle　with 8-pin DIP and 20-pin SOIC package and other packages.