型号 / 厂家，封装，批号，备注，订购

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SN74LS14-D / On Semiconductor,Datasheet,07+,Schmitt Triggers Dua 订购 PDF文档

SN74LS14ML2 / On Semiconductor,Datasheet,06/07+,SCHMITT TRIGGERS DUA 订购 PDF文档

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SN74LS139ML2 / On Semiconductor,Datasheet,07+,Dual 1-OF-4 Decoder/ 订购 PDF文档

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SN74LS13JDS / ,,最新批号,原装现货 订购 PDF文档

SN74LS142D / -,SOP,-,B 订购 PDF文档

SN74LS145FN / Texas Instruments,Datasheet,06/07+,BCD-to-Decimal Decod 订购 PDF文档