GR >> AT28BV64-30TC 
89573
AT28BV64-30TC
Atmel
Quantity 20000
Packaging IC EEPROM 64KBIT 300NS 28TSOP
Description original&Quality new original
554517
AT28BV64-30TC
Microchip Technology
Quantity 9000
Packaging IC EEPROM 64KBIT 300NS 28TSOP
Description original&Quality new original