Random Access Memory, ROM chip, ROM, Eeprom microchip programming

 11AA02E48 Series 2 Kbit (256 x 8) 5.5 V SMT UNI/O® Serial EEPROM - SOT-23-3

https://www.futureelectronics.com/p/semiconductors--memory--RAM--eeprom--i2c-interface-protocol/11aa02e48t-i-tt-microchip-5437884