GR >> AT27LV256A-55RI 
89519
AT27LV256A-55RI
Atmel
Quantity 20000
Packaging IC OTP 256KBIT 55NS 28SOIC
Description original&Quality new original
554410
AT27LV256A-55RI
Microchip Technology
Quantity 9000
Packaging IC OTP 256KBIT 55NS 28SOIC
Description original&Quality new original