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关于此帖子- https://e2e.ti.com/support/interface/i2c/f/390/t/504097
VccA 可以比 Vccb 高多少? 两个电源的标称值均为3.3V、但其中一个可为+5%、另一个可为-5%。 这是否会使 TCA9517A 正常工作? 上拉电阻为4.75k 至3.3V