GR >> AT27LV512A-90RC 
88734
AT27LV512A-90RC
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 90NS 28SOIC
Description original&Quality new original
554451
AT27LV512A-90RC
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 90NS 28SOIC
Description original&Quality new original