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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1059412/pca9539-help-to-find-ti-alternative-solution
我们是否有 用于 PCA9539PW 的 TI 替代产品？
非常感谢！
TCA9539PW/PCA9535PW/TCA9535PW/PCA9555PW/TCA9555PW 无库存。 PCF8575 (C)具有不同的编程模型、其输出无法强力驱动为高电平。
