| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74LVT244B | 3.3V Octal buffer/line driver 3-State | 93K |
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| 2 | 74LVT244BD | 3.3V Octal buffer/line driver 3-State | 93K |
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| 3 | 74LVT244BDB | 3.3V Octal buffer/line driver 3-State | 93K |
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| 4 | 74LVT244BPW | 3.3V Octal buffer/line driver 3-State | 93K |
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