GR >> AT27C512R-15JC 
89408
AT27C512R-15JC
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 150NS 32PLCC
Description original&Quality new original
554258
AT27C512R-15JC
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 150NS 32PLCC
Description original&Quality new original