型号：DM74LS240WM
厂商：NSC[National Semiconductor]
大小：142.97 Kbytes
页数：共6页
功能：Octal TRI-STATE Buffers/Line Drivers/Line Receivers
厂商：FAIRCHILD[Fairchild Semiconductor]
大小：72.21 Kbytes
页数：共7页
功能：Octal 3-STATE Buffer/Line Driver/Line Receiver
