GR >> AT27BV512-90TC 
89170
AT27BV512-90TC
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 90NS 28TSOP
Description original&Quality new original
553894
AT27BV512-90TC
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 90NS 28TSOP
Description original&Quality new original