Xilinx virtex-5 fpga

240 www.xilinx.com Virtex-5 FPGA User Guide
UG190 (v5.0) June 19, 2009
Chapter 6: SelectIO Resources
Table 6-4 lists the LVTTL DC voltage specifications.
X-Ref Target - Figure 6-28
Figure 6-28: LVTTL Bidirectional Termination
Table 6-4: LVTTL DC Voltage Specifications
Parameter Min Typ Max
V
CCO
3.0 3.3 3.45
V
REF
–––
V
TT
–––
V
IH
2.0 – 3.45
V
IL
–0.2 – 0.8
V
OH
2.4 – –
V
OL
– – 0.4
I
OH
at V
OH
(mA) Note 2 – –
I
OL
at V
OL
(mA) Note 2 - –
Notes:
1. V
OL
and V
OH
for lower drive currents are sample tested.
2. Supported DRIVE strengths are 2, 4, 6, 8, 12, 16, and 24 mA
Z
0
IOB
IOB
LVT T L
Z
0
IOB
IOB
LVTTL LVTTL
V
TT
Note: V
TT
is any voltage from 0V to V
CCO
R
P
= Z
0
V
TT
R
P
= Z
0
ug190_6_25_022806
LVT T L