AT >> AT27LV520-70XU 
91341
AT27LV520-70XU
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 70NS 20TSSOP
Description original&Quality new original
554460
AT27LV520-70XU
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 70NS 20TSSOP
Description original&Quality new original