GR >> AT27BV256-90RC 
89139
AT27BV256-90RC
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 90NS 28SOIC
Description original&Quality new original
553856
AT27BV256-90RC
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 90NS 28SOIC
Description original&Quality new original