GR >> AT27C256R-55JC 
89354
AT27C256R-55JC
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 55NS 32PLCC
Description original&Quality new original
554182
AT27C256R-55JC
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 55NS 32PLCC
Description original&Quality new original