The Data and Clock lines are both open collector.
数据和时钟线都是集电极开路的。
An open collector (transistor) output accommodates loads up to 100 mA.
集电极开路(晶体管)输出负载可容纳高达100毫安的电流。
The bus is "idle" when both lines are high (open-collector).
总线空闲时，两条线都是高电平(集电极开路)。
The bus is "idle" when both lines are high (open-collector).
总线空闲时，两条线都是高电平(集电极开路)。
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