Virtex-6 FPGA Data Sheet: DC and Switching Characteristics
Table 45: IOB Switching Characteristics for the Defense-grade (XQ) Virtex-6 Devices (Cont’d)
TIOPI
Speed Grade
-1
TIOOP
Speed Grade
-1
TIOTP
Speed Grade
-1
I/O Standard
Units
-2
-1L
-2
-1L
1.66
1.62
1.65
1.69
1.66
1.66
-2
-1L
1.66
1.62
1.65
1.69
1.66
1.66
DIFF_SSTL18_II
0.94
0.94
0.94
0.91
0.91
0.91
1.09
1.08
1.08
1.08
1.06
1.06
1.06
1.50
1.47
1.51
1.54
1.52
1.52
2.27
1.50
1.47
1.51
1.54
1.52
1.52
2.27
ns
ns
ns
ns
ns
ns
DIFF_SSTL18_II_DCI
DIFF_SSTL18_II_T_DCI
DIFF_SSTL15
1.09
2.20
2.20
1.09
2.30
2.30
1.06
2.25
2.25
DIFF_SSTL15_DCI
DIFF_SSTL15_T_DCI
1.06
2.25
2.25
1.06
2.25
2.25
Table 46: IOB 3-state ON Output Switching Characteristics (T
)
IOTPHZ
Speed Grade
Symbol
Description
Units
-3
-2
-1
-1L
0.99
TIOTPHZ
T input to Pad high-impedance
0.86
0.92
0.99
ns
DS152 (v3.6) March 18, 2014
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Product Specification
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