I2C BUS 1Kbit (128x8bit) EEPROM; I/F: I2C BUS; Capacity (bit): 256; Bit Format (wordxbit): 32768x8; Supply Voltage (V): 1.7 to 5.5; Operating Temperature Range (°C): -40 to +85; Max.Write Cycle Time (ms): 5; Number of Rewrite (Times): 106; Data Retention (Years): 40;