| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | PCA9554ADGVR | REMOTE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS | 665K |
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| 2 | PCA9554ADGVRG4 | REMOTE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS | 665K |
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