
Lucent Technologies Inc.
137
Preliminary Data Sheet, Rev. 1
September 1998
ORCA Series 3 FPGAs
Output Buffer Characteristics
OR3Cxx
5-4634(F)
Figure 88. Sinklim (TJ = 25 °C, VDD = 5.0 V)
5-4636(F)
Figure 89. Slewlim (TJ = 25 °C, VDD = 5.0 V)
5-4638(F)
Figure 90. Fast (TJ = 25 °C, VDD = 5.0 V)
5-4635(C)
Figure 91. Sinklim (TJ = 125 °C, VDD = 4.5 V)
5-4637(F)
Figure 92. Slewlim (TJ = 125 °C, VDD = 4.5 V)
5-4639(F)
Figure 93. Fast (TJ = 125 °C, VDD = 4.5 V)
70
60
50
40
30
20
10
0
OUTPUT
CURRENT
,
IO
(
m
A)
0
12345
OUTPUT VOLTAGE, VO (V)
IOL
IOH
250
225
150
100
50
0
OU
TPU
T
CU
RRE
NT
,I
O
(mA
)
01
2
3
4
OUTPUT VOLTAGE, VO (V)
IOL
IOH
5
200
175
125
75
25
250
225
150
100
50
0
O
U
TP
UT
CU
RRE
NT
,I
O
(m
A
)
01
2
3
4
OUTPUT VOLTAGE, VO (V)
IOL
IOH
5
200
175
125
75
25
50
40
30
20
10
0
OU
TPU
T
CU
RRE
NT
,I
O
(mA
)
01
2
3
4
OUTPUT VOLTAGE, VO (V)
IOL
IOH
5
150
125
100
75
50
0
O
U
T
P
UT
CU
RR
E
N
T
,I
O
(
m
A)
01
2
3
4
OUTPUT VOLTAGE, VO (V)
IOL
IOH
25
175
125
100
75
50
0
O
U
TP
UT
CUR
RE
NT
,I
O
(m
A
)
01
2
3
4
OUTPUT VOLTAGE, VO (V)
IOL
IOH
25
150