数据和时钟线都是集电极开路的。

The Data and Clock lines are both open collector.

youdao

特点：集电极-发射极饱和压降低，电流大。

Features: low vce (sat), large current capacity.

youdao

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).

youdao

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).

youdao