Minimum External Setup Time Data latched in LE

Routing

Clkpin

DFF

Q

LUT

Tdclk2le

Dedicated Clock pin

IOE

Routing

Tincomb

Tsamecol

Tsu

Tsu_ext = Tincomb + Tsame col + Tsu - minimum(Tdclk2le)

Tsu_ext = 3.1 ns + 1.4ns + 1.3ns - 0 = 5.8 ns

Input

Tsu_ext?

D

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