型号 / 厂家，封装，批号，备注，订购

M74HC257F1R / ST Microelectronics,Datasheet,06/07+,HC258QUAD 2CHANNEL M 订购 PDF文档

M74HC251RM13 / ,,,原装现货 订购 PDF文档

M74HC251TTR / ST Microelectronics,Datasheet,06/07+,8 BIT SIPO SHIFT REG 订购 PDF文档

M74HC257FP / Various,Datasheet,07+,2-Line Digital Multi 订购 PDF文档

M74HC253DP / Various,Datasheet,07+,4-Line Digital Multi 订购 PDF文档

M74HC253F1 / Various,Datasheet,07+,4-Line Digital Multi 订购 PDF文档

M74HC257P / Various,Datasheet,06/07+,2-Line Digital Multi 订购 PDF文档

M74HC257TTR / ST Microelectronics,Datasheet,06/07+,QUAD 2 CHANNEL MULTI 订购 PDF文档

M74HC258C1R / ST Microelectronics,Datasheet,06/07+,HC158 QUAD 2 CHANNEL 订购 PDF文档

M74HC258F1R / ST Microelectronics,Datasheet,07+,HC158 QUAD 2 CHANNEL 订购 PDF文档