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电平转换器和驱动器怎么选,电平转换器是否包含驱动器的功能?

大家好,

现在我需要对一组双向信号做电平转换。外部连接线有点长,在做电平转换的同时想改善信号完整性,请问是选1个电平转换器件好呢,还是用2颗驱动器?

能够容忍外部链接线长的能力是不是主要看IOH和IOL两个指标,我看电平转换器件的这两个指标比一些驱动器的还要高