Data Sheet
June 1999
ORCA Series 2 FPGAs
Output Buffer Characteristics (continued)
OR2TxxA
40
35
I
OL
30
25
20
15
80
70
IOH
I
OL
60
50
40
IOH
10
5
30
20
0
0.0
0.5
1.0
1.5
2.0
2.5 3.0
10
0
OUTPUT VOLTAGE, V
O
(V)
5-4637(F)
0.0 0.5 1.0
1.5 2.0 2.5
(V)
3.0 3.5
Figure 86. Sinklim (TJ = 125 °C, VDD = 3.0 V)
OUTPUT VOLTAGE, V
O
70
5-4637(F)
I
OL
60
50
40
30
Figure 83. Sinklim (TJ = 25 °C, VDD = 3.3 V)
140
IOL
120
100
80
I
OH
20
10
0
I
OH
60
40
20
0
0.0
0.5
1.0
1.5
2.0
2.5 3.0
(V)
OUTPUT VOLTAGE, V
O
5-4637(F)
Figure 87. Slewlim (TJ = 125 °C, VDD = 3.0 V)
0.0 0.5 1.0
1.5 2.0 2.5
(V)
3.0 3.5
OUTPUT VOLTAGE, V
O
70
5-4637(F)
IOL
60
50
40
Figure 84. Slewlim (TJ = 25 °C, VDD = 3.3 V)
140
IOL
120
100
80
I
OH
30
20
10
0
I
OH
60
40
20
0
0.0
0.5
1.0
1.5
2.0
2.5 3.0
(V)
OUTPUT VOLTAGE, V
O
5-4637(F)
Figure 88. Fast (TJ = 125 °C, VDD = 3.0 V)
0.0 0.5 1.0
1.5 2.0 2.5
(V)
3.0 3.5
OUTPUT VOLTAGE, V
O
5-4637(F)
Figure 85. Fast (TJ = 25 °C, VDD = 3.3 V)
171
Lucent Technologies Inc.
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