SN74LS244NSR
SN74LS244NSRE4
SN74LS244NSRG4
SN74LS245D
SN74LS245DB
SN74LS245DBE4
SN74LS245DBG4
SN74LS245DBR
SN74LS245DBRE4
SN74LS245DBRG4