GR >> AT27LV520-90XC 
89554
AT27LV520-90XC
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 90NS 20TSSOP
Description original&Quality new original
554463
AT27LV520-90XC
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 90NS 20TSSOP
Description original&Quality new original