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全新原装进口MC74LS244DWR2 MC74LS244DW 74LS244 LS244 SOP7.2mm
贴插MC74LS244DWR2-HD74LS640FPEL-MC74LS374DWR2-B
贴片直插MC78L12ACDR2G MC74LS244DWR2 MC74VHC32DTR2 5
贴片直插MC74LS244DWR2 MC74ACT08DTR2 MC74HC4053FL1 5
丝印MC74LS245DWR2-MC74LS245AFEL-MC74LS244DWR2-MC74LS241AFEL