GR >> AT28HC256F-90SI 
88843
AT28HC256F-90SI
Atmel
Quantity 20000
Packaging IC EEPROM 256KBIT 90NS 28SOIC
Description original&Quality new original
554981
AT28HC256F-90SI
Microchip Technology
Quantity 9000
Packaging IC EEPROM 256KBIT 90NS 28SOIC
Description original&Quality new original