| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | N74F2240D | Octal inverter buffer with 30ohm equivalent output termination 3-State | 98K |
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| 2 | N74F2240DB | Dual 4-Bit Inverting Buffer/Driver | 359K |
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| 3 | N74F2240D-T | Dual 4-Bit Inverting Buffer/Driver | 359K |
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