SN74LS629NSG4
SN74LS629NSR
SN74LS629NSRE4
SN74LS629NSRG4
SN74LS63N
SN74LS640-1DW
SN74LS640-1DWE4
SN74LS640-1DWG4
SN74LS640-1N
SN74LS640-1NE4