型号 / 厂家，封装，批号，备注，订购

DM74H22J / National Semiconductor,Datasheet,07+,4-Input NAND-Functio 订购 PDF文档

DM74H22N / ,,08/09+,全新原装现货 订购 PDF文档

DM74H40J / ,,08/09+,全新原装货 订购 PDF文档

DM74H50J / ,,08/09+,原装库房现货 订购 PDF文档

DM74H50W / ,,最新批号,原装现货 订购 PDF文档

DM74H53J / National Semiconductor,Datasheet,07+,2-2-2-3-Input AND-OR 订购 PDF文档

DM74H53W / ,,最新批号,原装现货 订购 PDF文档

DM74H61J / National Semiconductor,Datasheet,07+,3-Input AND-Function 订购 PDF文档

DM74H61N / ,,08/09+,原装现货库存 订购 PDF文档

DM74H71J / National Semiconductor,Datasheet,07+,Single -Slave 订购 PDF文档