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luoyanghero
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Registered: ‎11-24-2016

7-series fpga HP and HR IOB speed wierd?

Hi, I find 'IOB High Range (HR) Switching Characteristics' is faster than 'IOB High Performance (HP) Switching Characteristics' in ds182(table 20 and 21, at page21). I feel strange. In my memory, HP-pin is faster than HR-pin.

For example, DIFF_HSTL_L_18_S, HP is 0.75ns, HR is 0.65ns(Tiopi -3)

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luoyanghero
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Explorer
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Registered: ‎11-24-2016

By the way, what's the difference Tiopi, Tioop, Tiotp?
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