型号 / 厂家，封装，批号，备注，订购

74S20HD74S20P / ,,最新批号,原装现货 订购 PDF文档

74S22 / Fairchild Semiconductor,Datasheet,07+,Full Line Condensed 订购 PDF文档

74S225AJ / Various,Datasheet,07+,FIFO-LIFO Register - 订购 PDF文档

74S225AN / Various,Datasheet,07+,FIFO-LIFO Register - 订购 PDF文档

74S240NA / ,,最新批号,原装现货 订购 PDF文档

74S240PC / Various,Datasheet,07+,Inverting-Function B 订购 PDF文档

74S242 / ,,,原装现货 订购 PDF文档

74S243S0P / ,,最新批号, 订购 PDF文档

74S244F / ,,最新批号,原装现货 订购 PDF文档

74S244NA / ,,最新批号,原装现货 订购 PDF文档