ATMEL AT25320B handbook

This datasheet describes the features and characteristics of the AT25320B/640B device. The device is a serial electrically-erasable programmable read-only memory (EEPROM) with a capacity of 32768/65536 bits and an organization of 4096/8192 8-bit words. The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential.