SN74BCT240DB
SN74BCT240DBE4
SN74BCT240DBG4
SN74BCT240DBR
SN74BCT240DBRE4
SN74BCT240DBRG4
SN74BCT240DW
SN74BCT240DWE4
SN74BCT240DWG4
SN74BCT240DWR