GR >> AT28C040-25FC 
89602
AT28C040-25FC
Atmel
Quantity 20000
Packaging IC EEPROM 4MBIT 250NS 32FLATPACK
Description original&Quality new original
554616
AT28C040-25FC
Microchip Technology
Quantity 9000
Packaging IC EEPROM 4MBIT 250NS 32FLATPACK
Description original&Quality new original