| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | PCF8574APWR | REMOTE 8BIT I/O EXPANDER FOR I2C BUS | 448K |
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| 2 | PCF8574APWR | REMOTE 8BIT I/O EXPANDER FOR I2C BUS | 448K |
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| 3 | PCF8574APWR | REMOTE 8BIT I/O EXPANDER FOR I2C BUS | 446K |
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| 4 | PCF8574APWR | REMOTE 8BIT I/O EXPANDER FOR I2C BUS | 446K |
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