Virtex-6 FPGA Data Sheet: DC and Switching Characteristics
Table 44: IOB Switching Characteristics for the Commercial (XC) Virtex-6 Devices (Cont’d)
TIOPI
TIOOP
TIOTP
I/O Standard
Speed Grade
Speed Grade
Speed Grade
Units
-3
-2
-1
-1L
-3
-2
-1
-1L
-3
-2
-1
-1L
DIFF_SSTL18_I
0.85 0.94 1.09 1.08 1.47 1.58 1.75 1.73 1.47 1.58 1.75 1.73
0.85 0.94 1.09 1.08 1.40 1.51 1.67 1.65 1.40 1.51 1.67 1.65
0.85 0.94 1.09 1.08 1.39 1.50 1.67 1.66 1.39 1.50 1.67 1.66
0.85 0.94 1.09 1.08 1.36 1.47 1.63 1.62 1.36 1.47 1.63 1.62
0.85 0.94 1.09 1.08 1.40 1.51 1.67 1.65 1.40 1.51 1.67 1.65
0.81 0.91 1.06 1.06 1.42 1.54 1.71 1.69 1.42 1.54 1.71 1.69
0.81 0.91 1.06 1.06 1.41 1.52 1.68 1.66 1.41 1.52 1.68 1.66
0.81 0.91 1.06 1.06 1.41 1.52 1.68 1.66 1.41 1.52 1.68 1.66
ns
ns
ns
ns
ns
ns
ns
ns
DIFF_SSTL18_I_DCI
DIFF_SSTL18_II
DIFF_SSTL18_II_DCI
DIFF_SSTL18_II_T_DCI
DIFF_SSTL15
DIFF_SSTL15_DCI
DIFF_SSTL15_T_DCI
Table 45: IOB Switching Characteristics for the Defense-grade (XQ) Virtex-6 Devices
TIOPI
Speed Grade
-1
TIOOP
Speed Grade
-1
TIOTP
Speed Grade
-1
I/O Standard
Units
-2
-1L
-2
-1L
-2
-1L
LVDS_25
LVDSEXT_25
HT_25
0.94
0.94
0.94
0.94
0.94
0.91
0.91
0.91
0.91
0.91
0.91
0.91
0.91
0.91
0.57
0.57
0.57
0.57
0.57
0.57
0.57
0.57
0.57
0.57
0.57
0.57
1.09
1.08
1.08
1.08
1.08
1.08
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
1.06
0.70
0.70
0.70
0.70
0.70
0.70
0.70
0.70
0.70
0.70
0.70
0.70
1.54
1.65
1.62
1.50
1.54
1.56
1.56
1.54
1.58
1.62
1.54
1.60
1.54
1.54
5.46
3.49
2.81
2.41
1.95
2.05
1.82
5.49
3.50
2.73
2.33
1.88
2.16
1.62
1.73
1.69
1.65
1.62
1.71
1.72
1.69
1.72
1.78
1.69
1.74
1.71
1.69
5.63
3.65
2.95
2.59
2.10
2.21
1.98
5.62
3.65
2.88
2.53
2.03
1.54
1.65
1.62
1.50
1.54
1.56
1.56
1.54
1.58
1.62
1.54
1.60
1.54
1.54
5.46
3.49
2.81
2.41
1.95
2.05
1.82
5.49
3.50
2.73
2.33
1.88
2.16
1.62
1.73
1.69
1.65
1.62
1.71
1.72
1.69
1.72
1.78
1.69
1.74
1.71
1.69
5.63
3.65
2.95
2.59
2.10
2.21
1.98
5.62
3.65
2.88
2.53
2.03
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1.09
2.20
2.20
1.09
2.20
3.18
2.20
BLVDS_25
1.09
3.18
RSDS_25 (point to point)
HSTL_I
1.09
2.22
2.22
1.06
2.44
2.44
HSTL_II
1.06
2.21
2.21
HSTL_III
1.06
1.06
2.50
2.50
HSTL_I_18
2.43
2.43
HSTL_II_18
1.06
2.30
2.30
HSTL_III_18
1.06
1.06
2.49
2.49
SSTL2_I
2.50
2.50
SSTL2_II
1.06
1.06
0.66
0.66
0.66
0.66
0.66
2.49
2.49
SSTL15
2.07
2.07
LVCMOS25, Slow, 2 mA
LVCMOS25, Slow, 4 mA
LVCMOS25, Slow, 6 mA
LVCMOS25, Slow, 8 mA
LVCMOS25, Slow, 12 mA
LVCMOS25, Slow, 16 mA
LVCMOS25, Slow, 24 mA
LVCMOS25, Fast, 2 mA
LVCMOS25, Fast, 4 mA
LVCMOS25, Fast, 6 mA
LVCMOS25, Fast, 8 mA
LVCMOS25, Fast, 12 mA
6.01
6.01
3.79
3.79
3.08
3.08
2.72
2.72
2.23
2.23
0.66
2.29
2.29
0.66
2.24
2.24
0.66
0.66
0.66
0.66
0.66
6.04
6.04
3.82
3.82
2.99
2.99
2.65
2.65
2.08
2.08
DS152 (v3.6) March 18, 2014
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Product Specification
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