IC快速检索：
型号 / 厂家，封装，批号，备注，订购
74HC540B1R / ST,,08/09+,010-66001623/66001621 订购 PDF文档
74HC540BM1 / ST/SOP7.2,管,1999, 订购 PDF文档
74HC540D / MOT,,08/09+,全新原装深圳库存 订购 PDF文档
74HC540D,653 / PHI,,08/09+,全新库存特价 订购 PDF文档
74HC540D.652 / PH,,08/09+,原装特价 订购 PDF文档
74HC540D.652PBF / PH,,08/09+,原装特价 订购 PDF文档
74HC540D.653 / PHILIPS,,08/09+,原装010-66001623 订购 PDF文档
74HC540D/7.2M / PHI,,08/09+,010-66001623/66001621 订购 PDF文档