AT >> AT27LV512A-90TU 
91319
AT27LV512A-90TU
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 90NS 28TSOP
Description original&Quality new original
554456
AT27LV512A-90TU
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 90NS 28TSOP
Description original&Quality new original