SN74LS273DW
SN74LS273DWE4
SN74LS273DWG4
SN74LS273DWR
SN74LS273DWR2
SN74LS273DWRE4
SN74LS273DWRG4
SN74LS273J
SN74LS273N
SN74LS273NE4