型号 / 厂家，封装，批号，备注，订购

74HC4518M1R / ,,,原装现货 订购 PDF文档

74HC4518P / ,,,原装现货 订购 PDF文档

74HC4520AF / TOSHIBA,SMD,07+,全新原装国内外现货 订购 PDF文档

74HC4520B1R / ,,,原装现货 订购 PDF文档

74HC4520BM / ,,全新,021-51875986 订购 PDF文档

74HC4520D/T3 PBF / ,,,原装现货 订购 PDF文档

74HC4520D+118 / ,,,原装现货 订购 PDF文档

74HC4520M1 / ,,全新,021-51875986 订购 PDF文档

74HC4520MIR / ST,,07+,010-66001623 订购 PDF文档

74HC4520N.652 / ,,,原装现货 订购 PDF文档