GR >> AT27LV520-70SC 
89550
AT27LV520-70SC
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 70NS 20SOIC
Description original&Quality new original
554457
AT27LV520-70SC
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 70NS 20SOIC
Description original&Quality new original