GR >> AT27C256R-15JC 
89338
AT27C256R-15JC
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 150NS 32PLCC
Description original&Quality new original
554161
AT27C256R-15JC
Microchip Technology
Quantity 9000
Packaging 32-PLCC
Description original&Quality new original