AT >> AT49BV512-90VC 
90971
AT49BV512-90VC
Atmel
Quantity 20000
Packaging IC FLASH 512KBIT 90NS 32VSOP
Description original&Quality new original
556474
AT49BV512-90VC
Microchip Technology
Quantity 9000
Packaging IC FLASH 512KBIT 90NS 32VSOP
Description original&Quality new original