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Virtex-4 FPGA Data Sheet: DC and Switching Characteristics
DS302 (v3.7) September 9, 2009
Product Specification
20
LVTTL, Slow, 12 mA
0.76
0.87
0.97
3.26
3.61
3.96
3.26
3.61
3.96
ns
LVTTL, Slow, 16 mA
0.76
0.87
0.97
2.87
3.16
3.46
2.87
3.16
3.46
ns
LVTTL, Slow, 24 mA
0.76
0.87
0.97
2.60
2.85
3.12
2.60
2.85
3.12
ns
LVTTL, Fast, 2 mA
0.76
0.87
0.97
3.96
4.41
4.86
3.96
4.41
4.86
ns
LVTTL, Fast, 4 mA
0.76
0.87
0.97
2.87
3.16
3.46
2.87
3.16
3.46
ns
LVTTL, Fast, 6 mA
0.76
0.87
0.97
2.51
2.74
3.00
2.51
2.74
3.00
ns
LVTTL, Fast, 8 mA
0.76
0.87
0.97
2.34
2.55
2.79
2.34
2.55
2.79
ns
LVTTL, Fast, 12 mA
0.76
0.87
0.97
2.09
2.26
2.47
2.09
2.26
2.47
ns
LVTTL, Fast, 16 mA
0.76
0.87
0.97
2.09
2.26
2.47
2.09
2.26
2.47
ns
LVTTL, Fast, 24 mA
0.76
0.87
0.97
1.88
2.02
2.20
1.88
2.02
2.20
ns
LVCMOS33, Slow, 2 mA
0.76
0.87
0.97
6.98
7.88
8.73
6.98
7.88
8.73
ns
LVCMOS33, Slow, 4 mA
0.76
0.87
0.97
4.92
5.52
6.09
4.92
5.52
6.09
ns
LVCMOS33, Slow, 6 mA
0.76
0.87
0.97
4.07
4.54
5.00
4.07
4.54
5.00
ns
LVCMOS33, Slow, 8 mA
0.76
0.87
0.97
3.25
3.59
3.95
3.25
3.59
3.95
ns
LVCMOS33, Slow, 12 mA
0.76
0.87
0.97
2.83
3.11
3.42
2.83
3.11
3.42
ns
LVCMOS33, Slow, 16 mA
0.76
0.87
0.97
2.11
2.28
2.49
2.11
2.28
2.49
ns
LVCMOS33, Slow, 24 mA
0.76
0.87
0.97
2.11
2.28
2.49
2.11
2.28
2.49
ns
LVCMOS33, Fast, 2 mA
0.76
0.87
0.97
5.98
6.73
7.44
5.98
6.73
7.44
ns
LVCMOS33, Fast, 4 mA
0.76
0.87
0.97
3.55
3.93
4.33
3.55
3.93
4.33
ns
LVCMOS33, Fast, 6 mA
0.76
0.87
0.97
2.93
3.23
3.55
2.93
3.23
3.55
ns
LVCMOS33, Fast, 8 mA
0.76
0.87
0.97
2.09
2.25
2.46
2.09
2.25
2.46
ns
LVCMOS33, Fast, 12 mA
0.76
0.87
0.97
1.93
2.08
2.27
1.93
2.08
2.27
ns
LVCMOS33, Fast, 16 mA
0.76
0.87
0.97
1.79
1.91
2.08
1.79
1.91
2.08
ns
LVCMOS33, Fast, 24 mA
0.76
0.87
0.97
1.79
1.91
2.08
1.79
1.91
2.08
ns
LVCMOS25, Slow, 2 mA
0.69
0.80
0.88
4.77
5.34
5.89
4.77
5.34
5.89
ns
LVCMOS25, Slow, 4 mA
0.69
0.80
0.88
4.09
4.56
5.02
4.09
4.56
5.02
ns
LVCMOS25, Slow, 6 mA
0.69
0.80
0.88
3.53
3.92
4.31
3.53
3.92
4.31
ns
LVCMOS25, Slow, 8 mA
0.69
0.80
0.88
3.53
3.92
4.31
3.53
3.92
4.31
ns
LVCMOS25, Slow, 12 mA
0.69
0.80
0.88
2.90
3.19
3.50
2.90
3.19
3.50
ns
LVCMOS25, Slow, 16 mA
0.69
0.80
0.88
2.75
3.02
3.31
2.75
2.02
3.31
ns
LVCMOS25, Slow, 24 mA
0.69
0.80
0.88
2.33
2.54
2.77
2.33
2.54
2.77
ns
LVCMOS25, Fast, 2 mA
0.69
0.80
0.88
3.20
3.54
3.89
3.20
3.54
3.89
ns
LVCMOS25, Fast, 4 mA
0.69
0.80
0.88
2.66
2.92
3.19
2.66
2.92
3.19
ns
LVCMOS25, Fast, 6 mA
0.69
0.80
0.88
2.36
2.57
2.81
2.36
2.57
2.81
ns
LVCMOS25, Fast, 8 mA
0.69
0.80
0.88
2.13
2.31
2.52
2.13
2.31
2.52
ns
LVCMOS25, Fast, 12 mA
0.69
0.80
0.88
2.06
2.23
2.43
2.06
2.23
2.43
ns
Table 27: IOB Switching Characteristics(1,2) (Continued)
IOSTANDARD
Attribute(1)
TIOPI
TIOOP
TIOTP
Units
Speed Grade
-12
-11
-10
-12
-11
-10
-12
-11
-10