SN74LS670NSR
SN74LS670NSRE4
SN74LS670NSRG4
SN74LS673DW
SN74LS673DWE4
SN74LS673DWG4
SN74LS673N
SN74LS673NE4
SN74LS674DW
SN74LS674DWG4