| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | SP237ACT | +5V Powered Multi-Channel RS-232 Drivers/Receivers | 408K |
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| 2 | SP237ACT | +5V Powered Multi-Channel RS-232 Drivers/Receivers | 408K |
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| 3 | SP237ACT | +5V Powered Multi-Channel RS-232 Drivers/Receivers | 408K |
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| 4 | SP237ACT/TR | +5V Powered Multi-Channel RS-232 Drivers/Receivers | 408K |
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