GR >> AT28HC256-12SI 
88822
AT28HC256-12SI
Atmel
Quantity 20000
Packaging IC EEPROM 256KBIT 120NS 28SOIC
Description original&Quality new original
554874
AT28HC256-12SI
Microchip Technology
Quantity 9000
Packaging IC EEPROM 256KBIT 120NS 28SOIC
Description original&Quality new original