GR >> AT28HC64B-70SC 
88553
AT28HC64B-70SC
Atmel
Quantity 20000
Packaging IC EEPROM 64KBIT 70NS 28SOIC
Description original&Quality new original
555007
AT28HC64B-70SC
Microchip Technology
Quantity 9000
Packaging IC EEPROM 64KBIT 70NS 28SOIC
Description original&Quality new original