QPro Virtex 2.5V QML High-Reliability FPGAs
R
DC Input and Output Levels
Values for V
IL
and V
IH
are recommended input voltages.
Values for I
OL
and I
OH
are guaranteed output currents over
the recommended operating conditions at the V
OL
and V
OH
test points. Only selected standards are tested. These are
Input/Output
Standard
LVTTL
(1)
LVCMOS2
PCI, 3.3V
PCI, 5.0V
GTL
GTL+
HSTL I
HSTL III
HSTL IV
SSTL3 I
SSTL3 II
SSTL2 I
SSTL2 II
CTT
AGP
V
IL
V, min
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5
V, max
0.8
0.7
44% V
CCINT
0.8
V
REF
– 0.05
V
REF
– 0.1
V
REF
– 0.1
V
REF
– 0.1
V
REF
– 0.1
V
REF
– 0.2
V
REF
– 0.2
V
REF
– 0.2
V
REF
– 0.2
V
REF
– 0.2
V
REF
– 0.2
V, min
2.0
1.7
60% V
CCINT
2.0
V
REF
+ 0.05
V
REF
+ 0.1
V
REF
+ 0.1
V
REF
+ 0.1
V
REF
+ 0.1
V
REF
+ 0.2
V
REF
+ 0.2
V
REF
+ 0.2
V
REF
+ 0.2
V
REF
+ 0.2
V
REF
+ 0.2
V
IH
V, max
5.5
5.5
V
CCO
+ 0.5
5.5
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
chosen to ensure that all standards meet their specifica-
tions. The selected standards are tested at minimum V
CCO
with the respective V
OL
and V
OH
voltage levels shown.
Other standards are sample tested.
V
OL
V, max
0.4
0.4
10% V
CCO
0.55
0.4
0.6
0.4
0.4
0.4
V
REF
– 0.6
V
REF
– 0.8
V
REF
– 0.65
V
REF
– 0.80
V
REF
– 0.4
10% V
CCO
V
OH
V, min
2.4
1.9
90% V
CCO
2.4
n/a
n/a
V
CCO
– 0.4
V
CCO
– 0.4
V
CCO
– 0.4
V
REF
+ 0.6
V
REF
+ 0.8
V
REF
+ 0.65
V
REF
+ 0.80
V
REF
+ 0.4
90% V
CCO
I
OL
mA
24
12
(2)
(2)
I
OH
mA
–24
–12
(2)
(2)
40
36
8
24
48
8
16
7.6
15.2
8
(2)
n/a
n/a
-8
–8
–8
–8
–16
–7.6
–15.2
–8
(2)
Notes:
1. V
OL
and V
OH
for lower drive currents are sample tested.
2. Tested according to the relevant specifications.
4
1-800-255-7778
DS002 (v1.5) December 5, 2001
Preliminary Product Specification
XILINX [ XILINX, INC ]
