GR >> AT27BV256-15RI 
89129
AT27BV256-15RI
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 150NS 28SOIC
Description original&Quality new original
553841
AT27BV256-15RI
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 150NS 28SOIC
Description original&Quality new original