GR >> AT27C256R-90JC 
89366
AT27C256R-90JC
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 90NS 32PLCC
Description original&Quality new original
554205
AT27C256R-90JC
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 90NS 32PLCC
Description original&Quality new original