The STMicroelectronics 512-Kbit I²C-compatible EEPROM (electrically erasable programmable memory) organized as 64 K x 8 bits. It can operate with a supply voltage from 1.6 V to 5.5 V with a clock frequency up to 1 MHz, over an ambient temperature range of -40 °C / +85 °C. The device offers three 8-bit registers, namely: the device type identifier (DTI) register, the configurable device address (CDA) register, and the software write protection (SWP) register.

Compatible with the following I²C bus modes
Byte and page write within 4 ms
Preprogrammed device address
Software write protection register