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SN65176B: 接口论坛

Part Number: SN65176B


请问各位专家!我在使用SN65176B这颗芯片时,用X光测试发现内部结构有两种不同的结构,但是但两种芯片工作都正常,如图1和图2,能否判断这芯片是有问题芯片?