GR >> AT27BV512-90JC 
88697
AT27BV512-90JC
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 90NS 32PLCC
Description original&Quality new original
553890
AT27BV512-90JC
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 90NS 32PLCC
Description original&Quality new original