型号 / 厂家，封装，批号，备注，订购

M74HC643B1R / ST Microelectronics,Datasheet,06/07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

M74HC643C1R / ST Microelectronics,Datasheet,07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

M74HC643F1 / Various,Datasheet,06/07+,Octal Bus-Line Trans 订购 PDF文档

M74HC643F1R / ST Microelectronics,Datasheet,07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

M74HC643FP / Various,Datasheet,06/07+,Octal Bus-Line Trans 订购 PDF文档

M74HC643M1 / ST Microelectronics,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

M74HC643RM13TR / ST Microelectronics,Datasheet,07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

M74HC643TTR / ST Microelectronics,Datasheet,07+,OCTAL BUS TRANSCEIVE 订购 PDF文档

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

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