GR >> AT28HC256F-90PI 
88841
AT28HC256F-90PI
Atmel
Quantity 20000
Packaging IC EEPROM 256KBIT 90NS 28DIP
Description original&Quality new original
554977
AT28HC256F-90PI
Microchip Technology
Quantity 9000
Packaging IC EEPROM 256KBIT 90NS 28DIP
Description original&Quality new original