AT >> AT27LV512A-90RU 
91342
AT27LV512A-90RU
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 90NS 28SOIC
Description original&Quality new original
554453
AT27LV512A-90RU
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 90NS 28SOIC
Description original&Quality new original