SN74LS641-1N
SN74LS641-1NE4
SN74LS641DW
SN74LS641DWE4
SN74LS641DWG4
SN74LS641DWR
SN74LS641DWRE4
SN74LS641DWRG4
SN74LS641N
SN74LS641NE4