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型号 / 厂家，封装，批号，备注，订购
MM74HC688N /MC74HC521N / ,,,原装现货 订购 PDF文档
MM74HC688N_NL / FAIR,,08/09+,原装特价 订购 PDF文档
MM74HC688N_Q / ,,最新批号,现货库存 订购 PDF文档
MM74HC688N-NL / FS,,08/09+,全新原装深圳库存 订购 PDF文档
MM74HC688WM/74HC688D/SN74HC688DW / FSC,,08/09+,原装现货 订购 PDF文档
MM74HC688WM_Q / ,,最新批号,现货库存 订购 PDF文档
MM74HC688WMXS / NS,,08/09+,特价 订购 PDF文档
MM74HC7292N / TOS,DIP-16,08/09+,原装010-66001623 订购 PDF文档