| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | A3989 | Bipolar Stepper and High Current DC Motor Driver | 1118K |
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| 2 | A3989SEV-T | Bipolar Stepper and High Current DC Motor Driver | 1118K |
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| 3 | A3989SEVTR-T | Bipolar Stepper and High Current DC Motor Driver | 1118K |
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