型号 / 厂家，封装，批号，备注，订购

HD74AS257FP / Hitachi Semiconductor,Datasheet,07+,2-Line Digital Multi 订购 PDF文档

HD74AS374P / Hitachi Semiconductor,Datasheet,07+,Octal D-Type Flip-Fl 订购 PDF文档

HD74AS640P / Hitachi Semiconductor,Datasheet,06/07+,Octal Bus-Line Trans 订购 PDF文档

HD74BC244AT / Renesas Technology,Datasheet,07+,Octal Buffers/Line D 订购 PDF文档

HD74BC373AFP / Renesas Technology,Datasheet,06/07+,Octal D-type Transpa 订购 PDF文档

HD74BC373AT / Renesas Technology,Datasheet,06/07+,Octal D-type Transpa 订购 PDF文档

HD74BC374AFP / Renesas Technology,Datasheet,07+,Octal D-type Flip-Fl 订购 PDF文档

HD74BC563A / Hitachi Semiconductor,Datasheet,06/07+,Octal D Type Transpa 订购 PDF文档

HD74BC564A / Hitachi Semiconductor,Datasheet,07+,Octal D Type Flip Fl 订购 PDF文档

HD74BC573A / Hitachi Semiconductor,Datasheet,06/07+,Octal D Type Transpa 订购 PDF文档