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序号 型号 描述 大小 厂家Logo 下载
1 IN74LS244DW Octal 3-State Noninverting Buffer/Line Driver/Line Receiver 247K INTEGRAL IN74LS244DW
2 IN74LS244DW Octal 3-State Noninverting Buffer/Line Driver/Line Receiver 259K IKSEMICON IN74LS244DW