GR >> AT28C64B-15PU 
88388
AT28C64B-15PU
Atmel
Quantity 20000
Packaging IC EEPROM 64KBIT 150NS 28DIP
Description original&Quality new original
554802
AT28C64B-15PU
Microchip Technology
Quantity 9000
Packaging IC EEPROM 64KBIT 150NS 28DIP
Description original&Quality new original