GR >> AT28HC256F-90SC 
88842
AT28HC256F-90SC
Atmel
Quantity 20000
Packaging IC EEPROM 256KBIT 90NS 28SOIC
Description original&Quality new original
554980
AT28HC256F-90SC
Microchip Technology
Quantity 9000
Packaging IC EEPROM 256KBIT 90NS 28SOIC
Description original&Quality new original