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贴片直插SN74LS139DR2G，SN74LS138ML1G，SN74LS138ML2G，4
贴片直插SN74LS148DR2G，SN74LS139MR1G，SN74LS145MELG，4
贴片直插SN74LS139MELG，SN74LS138DR2G，SN74LS138ML1G，4
全新SN74LS148NSR SN74LS145DG4 SN74LS13DR2G SN74LS139MR1
