型号 / 厂家，封装，批号，备注，订购

LM538 / ,,04+,全新原装 订购 PDF文档

LM538N / ,,,010-62106431 订购 PDF文档

LM5437N / NS,DIP8,07+,0755-82513804 订购 PDF文档

LM5473N / NS,,05+,010-66001623/66001621 订购 PDF文档

LM550RA01T1M00 / ,,02+,原装现货 订购 PDF文档

LM5522 / NS,,,010-62106431 订购 PDF文档

LM5532M / NS,,05+,原装特价 订购 PDF文档

LM555 / ,,,原装现货 订购 PDF文档

LM555 MDC / National Semiconductor,Datasheet,06/07+,Timer 订购 PDF文档

LM555 MWC / National Semiconductor,Datasheet,07+,Timer 订购 PDF文档