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目前使用的TCA4311A芯片1000片中有10片的ready脚一直为低，EN和VCC都正常。请问，TCA4311A的ready端上拉电阻为1K ,芯片会不会烧毁！
请参考。
http://www.deyisupport.com/question_answer/analog/interface_and_clocks/f/59/p/145340/410495.aspx#410495
