AT >> AT49F512-55VU 
91213
AT49F512-55VU
Atmel
Quantity 20000
Packaging IC FLASH 512KBIT 55NS 32VSOP
Description original&Quality new original
556877
AT49F512-55VU
Microchip Technology
Quantity 9000
Packaging IC FLASH 512KBIT 55NS 32VSOP
Description original&Quality new original