GR >> AT27BV512-90RC 
89168
AT27BV512-90RC
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 90NS 28SOIC
Description original&Quality new original
553892
AT27BV512-90RC
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 90NS 28SOIC
Description original&Quality new original