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• DM74LS240
• 页
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• 2
• DM74LS240WM
• National Semiconductor Corporation
• Octal TRI-STATE Buffer/Line Driver/Line Receiver
• 6页
• 142K

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• DM74LS240SJ
• Fairchild Semiconductor
• Octal 3-STATE Buffer/Line Driver/Line Receiver
• 7页
• 72K

• 4
• DM74LS240N
• National Semiconductor Corporation
• Octal TRI-STATE Buffer/Line Driver/Line Receiver
• 6页
• 142K

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