AT >> AT27BV256-70TU 
91315
AT27BV256-70TU
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 70NS 28TSOP
Description original&Quality new original
553853
AT27BV256-70TU
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 70NS 28TSOP
Description original&Quality new original