AT >> AT29C040A-90PC 
90742
AT29C040A-90PC
Atmel
Quantity 20000
Packaging IC FLASH 4MBIT 90NS 32DIP
Description original&Quality new original
555237
AT29C040A-90PC
Microchip Technology
Quantity 9000
Packaging IC FLASH 4MBIT 90NS 32DIP
Description original&Quality new original