GR >> AT27C256R-45PI 
89349
AT27C256R-45PI
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 45NS 28DIP
Description original&Quality new original
554174
AT27C256R-45PI
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 45NS 28DIP
Description original&Quality new original