Xilinx SelectIO 7 Series - Page 52

52 www.xilinx.com 7 Series FPGAs SelectIO Resources User Guide
UG471 (v1.10) May 8, 2018
Chapter 1: SelectIO Resources
Figure 1-37 shows unidirectional terminated topologies.
X-Ref Target - Figure 1-3 7
Figure 1-37: LVTTL Unidirectional Termination
Z
0
IOB
IOB
LVTTL
LVTTL
Z
0
IOB
IOB
LVTTL
LVTTL
Z
0
IOB
IOB
LVTTL
LVTTL
ug471_c1_27_011811
V
TT
Note: V
TT
is any voltage from 0V to V
CCO
R
P
= Z
0
R
S
= Z
0
– R
D
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