GR >> AT28HC256-70TC 
89711
AT28HC256-70TC
Atmel
Quantity 20000
Packaging IC EEPROM 256KBIT 70NS 28TSOP
Description original&Quality new original
554891
AT28HC256-70TC
Microchip Technology
Quantity 9000
Packaging IC EEPROM 256KBIT 70NS 28TSOP
Description original&Quality new original