| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | N74F240D | Octal inverter buffer 3-State | 106K |
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| 2 | N74F240DB | Octal inverter buffer 3-State | 106K |
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| 3 | N74F240DB-T | Dual 4-Bit Inverting Buffer/Driver | 829K |
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| 4 | N74F240D-T | Dual 4-Bit Inverting Buffer/Driver | 829K |
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