GR >> AT28HC256F-90TU 
88438
AT28HC256F-90TU
Atmel
Quantity 20000
Packaging IC EEPROM 256KBIT 90NS 28TSOP
Description original&Quality new original
554987
AT28HC256F-90TU
Microchip Technology
Quantity 9000
Packaging IC EEPROM 256KBIT 90NS 28TSOP
Description original&Quality new original