创唯电子销售集成电路 (IC) - 缓冲器,驱动器,接收器,收发器, SN74ALS621A-1DW, SN74ALS621A-1DWE4, SN74ALS621A-1DWG4, SN74ALS621A-1DWR, SN74ALS621A-1DWRE4, SN74ALS621A-1DWRG4, SN74ALS621A-1N, SN74ALS621A-1NE4, SN74ALS621A-1NSR, SN74ALS621A-1NSRE4, SN74ALS621A-1NSRG4, SN74ALS621ADW.