| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DM74S240N | Octal 3-STATE Buffer/Line Driver/Line Receiver | 47K |
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| 2 | DM74S240N/A+ | Dual 4-Bit Inverting Buffer/Driver | 141K |
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| 3 | DM74S240N/B+ | Dual 4-Bit Inverting Buffer/Driver | 141K |
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