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DS90UH947-Q1: WhenoLDI CLK input > 150MHz or <150MHz the display is abnormal

Part Number: DS90UH947-Q1

Team,

We use 947/948 pair in my application.

Now we set 8pair LVDS input and clk+/-. If our clk+/- = 150MHz. The output on display is ok. But when we lower(140MHz) the clk or higher the clk(160MHz), the display will be abnormal. Our resolution is 1920*1200.

As I know, different clk may cause different frame rate, but display may be normal. Could you let us know which part could we check.

Roy