SN74LS280N
SN74LS280ND
SN74LS280NE4
SN74LS280NS
SN74LS280NSE4
SN74LS280NSG4
SN74LS280NSR
SN74LS280NSRE4
SN74LS280NSRG4
SN74LS283D
0755-88377780