This part is a kind of semiconductor called T24C02A.

Function of this product has EEPROM.

Manufacturers : First-Rank Technology

Image and pinout :

Some of the text within the PDF file :

Shenzhen First-Rank Technology Co., Ltd SPECIFICATION T24C02A/T24C04A/T24C08A/T24C16A Version 1.1 reserves the right tochangethis documentation without prior notice. GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG GG G G G GGGGGGGGGGGGGGGGGGGGG GG www.ic-GjiGaG GzG GhGi.cGomG G G TG el:G400G 66G0 8G3G G8G2G G G G G G G G G G G G G G G G G G G G G G G G G Features    Wide Voltage Operation - VCC = 1.8V to 5.5V Operating Ambient Temperature: -40 to +85  Internally Organized: - T24C02A, 256 X 8 (2K bits) - T24C04A, 512 X 8 (4K bits) - T24C08A, 1024 X 8 (8K bits) - T24C16A, 2048 X 8 (16K bits) Two-wire Serial Interface Schmitt Trigger, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol [ ... ]

T24C02A PDF Datasheet Download