型号 / 厂家，封装，批号，备注，订购

M74HC640F1R / ST Microelectronics,Datasheet,07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

M74HC640RM13TR / ST Microelectronics,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

M74HC643-1P / Various,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

M74HC643C1 / Various,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

M74HC643DWP / Various,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

M74HC643M1R / ST Microelectronics,Datasheet,07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

M74HC643P / Various,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

M74HC645 / SGS-Thomson,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

M74HC645-1DWP / Various,Datasheet,06/07+,Octal Bus-Line Trans 订购 PDF文档

M74HC645DWP / Various,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档