DM74LS14SJX DM74LS14SJL DM74LS139SJ DM74LS139MX DM74LS138SJ

DM74LS74ASJ-R1 DM74LS139SJ-R1 DM74LS08MSOP14 DM74LS04SJX03+

正品DM74LS139SJX DM74LS126AMX DM74LS125ASJ DM74LS125AMX

DM74LS139SJX【DECIMAL DECODER, LS SERIES】