AT >> AT24C512BY7-YH25-T 
91489
AT24C512BY7-YH25-T
Atmel
Quantity 20000
Packaging IC EEPROM 512KBIT 1MHZ 8SAP
Description original&Quality new original
553068
AT24C512BY7-YH25-T
Microchip Technology
Quantity 9000
Packaging IC EEPROM 512KBIT 1MHZ 8SAP
Description original&Quality new original