GR >> AT28HC256F-12PI 
88834
AT28HC256F-12PI
Atmel
Quantity 20000
Packaging IC EEPROM 256KBIT 120NS 28DIP
Description original&Quality new original
554958
AT28HC256F-12PI
Microchip Technology
Quantity 9000
Packaging IC EEPROM 256KBIT 120NS 28DIP
Description original&Quality new original