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型号 / 厂家，封装，批号，备注，订购
PCF8574AP LEADFREE / ,,,原装现货 订购 PDF文档
PCF8570U/10 / Philips Semiconductors,Datasheet,07+,256 x 8-bit static l 订购 PDF文档
PCF8571D / Various,Datasheet,06/07+,General-Purpose Stat 订购 PDF文档
PCF8571PN / Philips Semiconductors,Datasheet,06/07+,General-Purpose Stat 订购 PDF文档
PCF8573U_5_F1 / Philips Semiconductors,Datasheet,06/07+,Clock/calendar with 订购 PDF文档
PCF8574AP LEADFREE / NXP,DIP,07+, 订购 PDF文档
PCF8574ATS/F3118 / NXP,,07+,全新原装现货 订购 PDF文档
PCF8573U_5_F3 / Philips Semiconductors,Datasheet,06/07+,Clock/calendar with 订购 PDF文档