| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DM74LS240WM | Octal 3-STATE Buffer/Line Driver/Line Receiver | 73K |
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| 2 | DM74LS240WM | Octal TRI-STATE Buffers/Line Drivers/Line Receivers | 146K |
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| 3 | DM74LS240WMX | Dual 4-Bit Non-Inverting Buffer/Driver | 73K |
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