GR >> AT27BV512-12TC 
89153
AT27BV512-12TC
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 120NS 28TSOP
Description original&Quality new original
553873
AT27BV512-12TC
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 120NS 28TSOP
Description original&Quality new original