AT >> AT49BV512-90TC 
90522
AT49BV512-90TC
Atmel
Quantity 20000
Packaging IC FLASH 512KBIT 90NS 32TSOP
Description original&Quality new original
556472
AT49BV512-90TC
Microchip Technology
Quantity 9000
Packaging IC FLASH 512KBIT 90NS 32TSOP
Description original&Quality new original