型号 / 厂家，封装，批号，备注，订购

HD74AC20P / Hitachi Semiconductor,Datasheet,07+,4-Input NAND-Functio 订购 PDF文档

HD74AC221FP / Hitachi Semiconductor,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

HD74AC221P / Hitachi Semiconductor,Datasheet,07+,Dual Monostable Mult 订购 PDF文档

HD74AC240T / Renesas Technology,Datasheet,07+,Octal Buffers/Line D 订购 PDF文档

HD74AC241 / Hitachi Semiconductor,Datasheet,07+,Octal Buffer-Line Dr 订购 PDF文档

HD74AC245T / Renesas Technology,Datasheet,07+,Octal Bus Transceive 订购 PDF文档

HD74AC253P / Hitachi Semiconductor,Datasheet,06/07+,4-Line Digital Multi 订购 PDF文档

HD74AC257 / Hitachi Semiconductor,Datasheet,07+,2-Line Digital Multi 订购 PDF文档

HD74AC257P / Hitachi Semiconductor,Datasheet,07+,2-Line Digital Multi 订购 PDF文档

HD74AC258FP / Hitachi Semiconductor,Datasheet,07+,2-Line Digital Multi 订购 PDF文档