Hot!How is frequency determined during start header and how do imperfections effect performance?

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arnold_w
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2018/08/27 10:44:53 (permalink)
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How is frequency determined during start header and how do imperfections effect performance?

I understand that the start header is some kind of training sequence for the memory to determine the frequency to use. How exactly is this done inside the memory chip? What happens if there is jitter and non-50% duty cycle?
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