| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74LVC2244AD | Octal buffer/line driver with 30 ohm series termination resistors; 5 V input/output tolerant; 3-state | 86K |
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| 2 | 74LVC2244ADB | Octal buffer/line driver with 30 ohm series termination resistors; 5 V input/output tolerant; 3-state | 86K |
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