| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74LVT244ADB | 3.3V Octal buffer/line driver 3-State | 92K |
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| 2 | 74LVT244ADB | 3.3 V octal buffer/line driver; 3-state | 102K |
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| 3 | 74LVT244ADB-T | Dual 4-Bit Non-Inverting Buffer/Driver | 359K |
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