| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 74ACTQ544SC | Single 8-Bit Inverting Bus Transceiver | 88K |
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| 2 | 74ACTQ544SCQR | Single 8-Bit Inverting Bus Transceiver | 569K |
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| 3 | 74ACTQ544SCX | Single 8-Bit Inverting Bus Transceiver | 88K |
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