| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | R3131N40HC | Low Voltage Detector with built-in Delay Circuit | 279K |
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| 2 | R3131N40HC3-TR | Low Voltage Detector with built-in Delay Circuit | 279K |
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| 3 | R3131N40HC5-TR | Low Voltage Detector with built-in Delay Circuit | 279K |
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| 4 | R3131N40HC8-TR | Low Voltage Detector with built-in Delay Circuit | 279K |
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