N24C256X-1CBT5G onsemi

Description: 256 KB I2C CMOS SERIAL EEPROM WI, Packaging: Tape & Reel (TR), Package / Case: 4-XFBGA, WLCSP, Mounting Type: Surface Mount, Memory Size: 256Kbit, Memory Type: Non-Volatile, Operating Temperature: -40°C ~ 125°C (TA), Voltage - Supply: 1.7V ~ 5.5V, Technology: EEPROM, Clock Frequency: 1 MHz, Memory Format: EEPROM, Supplier Device Package: 4-WLCSP (1x1), Write Cycle Time - Word, Page: 5ms, Memory Interface: I2C, Access Time: 450 ns, Memory Organization: 32K x 8.