全新SN74LS138DR74LS138DT74LS138NSN74LS138NHD74LS13

全新SN74LS137NS SN74LS137DR SN74LS136NS SN74LS136DR SN74LS13

全新SN74LS13DR SN74LS139N SN74LS139L SN74LS139J SN74LS139D

全新SN74LS139NS SN74LS139AN SN74LS138NS SN74LS138DR SN74LS13

全新SN74LS148NSR SN74LS145DG4 SN74LS13DR2G SN74LS139MR1

全新SN74LS146DR SN74LS145NS SN74LS145N& SN74LS145DR SN74LS13

贴插SN74LS219AN-SN74LS395AN-LM285Z-2.5V-SN74LS13DR2-N