SN74AS280N
Texas Instruments
SN74F280BD
SN74F280BNSR
CD74HC280MT
CD74AC280M
CD74ACT280E
CD74AC280M96G4
SN74AS286NG4
CY74FCT480ATPCG4
CY74FCT480ATQCTE4
CY74FCT480ATQCTG4
CY74FCT480BTPCG4
CY74FCT480BTQCT
CY74FCT480BTQCTE4
CY74FCT480BTQCTG4
CY74FCT480BTSOCT
CY74FCT480BTSOCTE4
SN74ALS280DE4
SN74ALS280DRE4
SN74ALS280NG4