型号 / 厂家，封装，批号，备注，订购

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DM74AS161M / FAIRCHILD,,08/09+,010-62106431 订购 PDF文档

DM74AS163M / NATIONAL SEMICONDUCTOR,,08/09+,全新原装深圳库存 订购 PDF文档

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DM74AS163N
/ ,,最新批号,原装现货 订购 PDF文档

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DM74AS1804WM / NATIONAL SEMICONDUCTOR,,08/09+,全新原装深圳库存 订购 PDF文档

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