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请问TMUX1136可以用来做两个RS485的切换开关吗?
您好,
不可以的,它们电平不兼容,TMUX1136 仅兼容TTL 和 CMOS 逻辑电平,RS485总线AB间的电压差有负值。TMUX1136 不兼容RS485的电平标准。