EEPROM 24C04

From the shop's description

EEPROM 24C04 is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. 2-Wire Serial EEPROM 4K (512 x 8) 24C04 is 2-Wire Serial EEPROM 4K (512 x 8) in 8-DIP Package. It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.