型号 / 厂家，封装，批号，备注，订购

HD74HC646FP / Hitachi Semiconductor,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

HD74HC648 / Hitachi Semiconductor,Datasheet,07+,Octal Bus Transceive 订购 PDF文档

HD74HC648FP / Hitachi Semiconductor,Datasheet,06/07+,Octal Bus-Line Trans 订购 PDF文档

HD74HC652 / Hitachi Semiconductor,Datasheet,06/07+,Octal Bus Transceive 订购 PDF文档

HD74HC652FP / Hitachi Semiconductor,Datasheet,07+,Octal Bus-Line Trans 订购 PDF文档

HD74HC668 / Hitachi Semiconductor,Datasheet,06/07+,Synchronous UP-Down 订购 PDF文档

HD74HC669RP / Renesas Technology,Datasheet,07+,Synchronous Up/Down 订购 PDF文档

HD74HC674 / Hitachi Semiconductor,Datasheet,06/07+,16-bit Shift Registe 订购 PDF文档

HD74HC677FP / Hitachi Semiconductor,Datasheet,06/07+,16-Bit Address Compa 订购 PDF文档

HD74HC678 / Hitachi Semiconductor,Datasheet,07+,16-bit Address Compa 订购 PDF文档