GR >> AT28C256F-15PC 
88803
AT28C256F-15PC
Atmel
Quantity 20000
Packaging IC EEPROM 256KBIT 150NS 28DIP
Description original&Quality new original
554752
AT28C256F-15PC
Microchip Technology
Quantity 9000
Packaging IC EEPROM 256KBIT 150NS 28DIP
Description original&Quality new original