SN74ACT240DB
SN74ACT240DBE4
SN74ACT240DBG4
SN74ACT240DBR
SN74ACT240DBRE4
SN74ACT240DBRG4
SN74ACT240DW
SN74ACT240DWE4
SN74ACT240DWG4
SN74ACT240DWR