型号 / 厂家，封装，批号，备注，订购

CD74AC257M / PYLE NATIONAL CONNECTOR PRODS.,,08/09+,全新原装深圳库存 订购 PDF文档

CD74AC257M96 / ,SOIC,08/09+,正品 订购 PDF文档

CD74AC258E / ,,08/09+,全新原装深圳库存 订购 PDF文档

CD74AC258M / PYLE NATIONAL CONNECTOR PRODS.,,08/09+,全新原装深圳库存 订购 PDF文档

CD74AC273E / PYLE NATIONAL CONNECTOR PRODS.,,08/09+,全新原装深圳库存 订购 PDF文档

CD74AC273E +PBF / ,,,原装现货 订购 PDF文档

CD74AC273M / PYLE NATIONAL CONNECTOR PRODS.,,08/09+,全新原装深圳库存 订购 PDF文档

CD74AC273M96 / ,SOIC,08/09+,正品 订购 PDF文档

CD74AC280 / Texas Instruments,Datasheet,07+,9-Bit Odd-Even Parit 订购 PDF文档

CD74AC280M / PYLE NATIONAL CONNECTOR PRODS.,,08/09+,全新原装深圳库存 订购 PDF文档