AT >> AT27C256R-70RU 
91340
AT27C256R-70RU
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 70NS 28SOIC
Description original&Quality new original
554201
AT27C256R-70RU
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 70NS 28SOIC
Description original&Quality new original