型号 / 厂家，封装，批号，备注，订购

HD74HC540FPVEL / ,,08/09+,原装现货库存 订购 PDF文档

HD74HC540P-E / ,,最新批号,原装现货 订购 PDF文档

HD74HC540TELL / ,,08/09+,库房原装现货 订购 PDF文档

HD74HC540TVELL / ,,最新批号,现货库存 订购 PDF文档

HD74HC541FPEL(RENESAS) / RENESAS,全新,08/09+,010-62104891 订购 PDF文档

HD74HC541FPEL-E / ,,最新批号,现货库存 订购 PDF文档

HD74HC541FTTL / ,,08/09+,原装现货库存 订购 PDF文档

HD74HC541TELL / HITACHI,全新,08/09+,010-62104891 订购 PDF文档

HD74HC541TELL-E / RENESAS,TSSOP,04+,全新原装价格优势 订购 PDF文档

HD74HC564 / ,,08/09+,全新原装现货 订购 PDF文档