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https://e2e.ti.com/support/switches-multiplexers-group/switches-multiplexers/f/switches-multiplexers-forum/1461911/ts3a4742-ts3a4742dgkr-marking-consultation
工具与软件：
你(们)好
我们发现该产品的物理标记不一致 请帮助确保所有内容都正确无误 这意味着什么 谢谢
根据数据表、只有"L7R"是有效标记。
左侧的芯片没有"TI"标识。 您是否从授权经销商处获得该产品？
