型号 / 厂家，封装，批号，备注，订购

HD74ACT540FP / Hitachi Semiconductor,Datasheet,07+,Inverting-Function B 订购 PDF文档

HD74ACT540P / Hitachi Semiconductor,Datasheet,07+,Inverting-Function B 订购 PDF文档

HD74ACT563P / Hitachi Semiconductor,Datasheet,07+,Octal D-Type Latch - 订购 PDF文档

HD74AC244RP / Renesas Technology,Datasheet,07+,Octal Buffers/Line D 订购 PDF文档

HD74AC245RP / Renesas Technology,Datasheet,06/07+,Octal Bus Transceive 订购 PDF文档

HD74AC251 / Hitachi Semiconductor,Datasheet,07+,8-Line Digital Multi 订购 PDF文档

HD74AC251FP / Hitachi Semiconductor,Datasheet,07+,8-Line Digital Multi 订购 PDF文档

HD74AC251P / Hitachi Semiconductor,Datasheet,07+,8-Line Digital Multi 订购 PDF文档

HD74AC253 / Hitachi Semiconductor,Datasheet,06/07+,4-Line Digital Multi 订购 PDF文档

HD74AC253FP / Hitachi Semiconductor,Datasheet,07+,4-Line Digital Multi 订购 PDF文档