Sram memory, sram memory card, sram card reader, memory card

 CAT24C256 Series 256 Kb (32 K x 8) 5.5 V I2C CMOS Serial EEPROM - UDFN-8

https://www.futureelectronics.com/p/semiconductors--memory--RAM--nvram--quantum-trap-nvsram/cat24c256hu4igt3-onsemi-8034362