SN74LS156NSG4
SN74LS156NSR
SN74LS156NSRE4
SN74LS156NSRG4
SN74LS157D
SN74LS157DBR
SN74LS157DBRE4
SN74LS157DBRG4
SN74LS157DE4
SN74LS157DG4