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贴片直插MC74LVX573DW，MC74LVX245DW，MC74LVX374DT，4
贴片直插MC74LVX574DT，MC74LVX32DR2，MC74LVX374DW，4
丝印MC74LVX4051D-MC74LVX374DW-MC74LVX374DT-MC74LVX373DT
