型号 / 厂家，封装，批号，备注，订购

M74HC253RM13 / ,,,原装现货 订购 PDF文档

M74HC253TTR / ST Microelectronics,Datasheet,07+,DUAL 4 CHANNEL MULTI 订购 PDF文档

M74HC257B1N / ST Microelectronics,Datasheet,06/07+,2-Line Digital Multi 订购 PDF文档

M74HC257C1R / ST Microelectronics,Datasheet,06/07+,HC258QUAD 2CHANNEL M 订购 PDF文档

M74HC257DP / Various,Datasheet,07+,2-Line Digital Multi 订购 PDF文档

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