AT >> AT27C256R-45RU 
91339
AT27C256R-45RU
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 45NS 28SOIC
Description original&Quality new original
554178
AT27C256R-45RU
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 45NS 28SOIC
Description original&Quality new original