GR >> AT27C256R-15TC 
89344
AT27C256R-15TC
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 150NS 28TSOP
Description original&Quality new original
554168
AT27C256R-15TC
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 150NS 28TSOP
Description original&Quality new original