IC快速检索：
型号 / 厂家，封装，批号，备注，订购
MB74HC138P / ,,08/09+,正品!010-62104891 订购 PDF文档
MB74HC148PF-G-BND-TF / N/S,,08/09+,全新原装 订购 PDF文档
MB74HC174P / ,,08/09+,010-62106431 订购 PDF文档
MB74HC179 / ,,08/09+,原装全新货 订购 PDF文档
MB74HC21 / ,,08/09+,原装全新货 订购 PDF文档
MB74HC244P / ,,08/09+,正品!010-62104891 订购 PDF文档
MB74HC32PF / ,,08/09+,原装全新货 订购 PDF文档