GR >> AT27LV512A-12TC 
89534
AT27LV512A-12TC
Atmel
Quantity 20000
Packaging IC OTP 512KBIT 120NS 28TSOP
Description original&Quality new original
554433
AT27LV512A-12TC
Microchip Technology
Quantity 9000
Packaging IC OTP 512KBIT 120NS 28TSOP
Description original&Quality new original