型号 / 厂家，封装，批号，备注，订购

M74HC245RM-13 / ,,最新批号,原装现货 订购 PDF文档

M74HC251C1 / Various,Datasheet,07+,8-Line Digital Multi 订购 PDF文档

M74HC251DP / Various,Datasheet,07+,8-Line Digital Multi 订购 PDF文档

M74HC251FP / Various,Datasheet,07+,8-Line Digital Multi 订购 PDF文档

M74HC253F1R / ST Microelectronics,Datasheet,07+,HC253 DUAL 4 CHANNEL 订购 PDF文档

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