GR >> AT27C256R-70RC 
88715
AT27C256R-70RC
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 70NS 28SOIC
Description original&Quality new original
554199
AT27C256R-70RC
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 70NS 28SOIC
Description original&Quality new original