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CDCLVD1204分发出来没有时钟,是个2点几伏的高电平

Other Parts Discussed in Thread: CDCLVD1204

我是用一个供电电压是2.5V的LVDS电平输出的100MHZ晶振通过交流耦合以LVPECL电平的偏置方式连接到了CDCLVD1204上,可是芯片输出都是高电平,实测了供电电压3.12V,并且接地也正常,通道选择引脚拉低,使用0通道,不知道大家有么有遇到过类似的情况? 给点建议 谢谢