型号 / 厂家，封装，批号，备注，订购

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SN74LER245A / ,SSOP,05+,全新原装 订购 PDF文档

SN74LCX4245DW / PH,,,010-62106431 订购 PDF文档

SN74LF347 / TEXAS INSTRUMENTS,,,全新原装，深圳/香港现货 订购 PDF文档