R
DC and Switching Characteristics
General DC Characteristics for I/O Pins
Table 78: General DC Characteristics of User I/O, Dual-Purpose, and Dedicated Pins
Symbol
Description
Test Conditions
Min
Typ
Max Units
I
Leakage current at User I/O,
Input-only, Dual-Purpose, and
Dedicated pins
Driver is in a high-impedance state,
–10
–
+10
μA
L
V
= 0V or V
max, sample-tested
IN
CCO
(2)
I
Current through pull-up resistor at
User I/O, Dual-Purpose, Input-only,
and Dedicated pins
V
V
V
V
V
= 0V, V
= 0V, V
= 0V, V
= 0V, V
= 0V, V
= 3.3V
= 2.5V
= 1.8V
= 1.5V
= 1.2V
–0.36
–0.22
–0.10
–0.06
–0.04
2.4
–
–
–
–
–
–
–
–
–
–
–
–1.24
–0.80
–0.42
–0.27
–0.22
10.8
mA
mA
mA
mA
mA
kΩ
RPU
IN
IN
IN
IN
IN
CCO
CCO
CCO
CCO
CCO
(2)
PU
R
Equivalent pull-up resistor value at
User I/O, Dual-Purpose, Input-only,
V
= 0V, V
= 3.0V to 3.465V
= 2.3V to 2.7V
CCO
IN
CCO
V
V
= 0V, V
= 0V, V
2.7
11.8
kΩ
IN
IN
and Dedicated pins (based on I
per Note 2)
RPU
= 1.7V to 1.9V
=1.4V to 1.6V
CCO
4.3
20.2
kΩ
CCO
V
= 0V, V
5.0
25.9
kΩ
IN
V
= 0V, V
= 1.14V to 1.26V
CCO
5.5
32.0
kΩ
IN
(2)
I
Current through pull-down resistor at
User I/O, Dual-Purpose, Input-only,
and Dedicated pins
V
= V
0.10
0.75
mA
RPD
IN
CCO
(2)
PD
R
Equivalent pull-down resistor value at
User I/O, Dual-Purpose, Input-only,
V
= V
= 3.0V to 3.465V
= 2.3V to 2.7V
4.0
3.0
2.3
1.8
1.5
–10
–
–
–
34.5
27.0
19.0
16.0
12.6
+10
10
kΩ
kΩ
kΩ
kΩ
kΩ
μA
pF
Ω
IN
CCO
V
= V
= V
= V
IN
IN
IN
CCO
CCO
CCO
and Dedicated pins (based on I
per Note 2)
RPD
V
V
= 1.7V to 1.9V
= 1.4V to 1.6V
–
–
V
= V
= 1.14V to 1.26V
CCO
–
IN
I
V
current per pin
All V
levels
–
REF
REF
CCO
C
R
Input capacitance
-
–
IN
Resistance of optional differential
termination circuit within a differential
I/O pair. Not available on Input-only
pairs.
V
Min ≤VICM ≤V
Max
–
120
–
DT
OCM
OCM
V
Min ≤V ≤V Max
OD
ID
OD
V
= 2.5V
CCO
Notes:
1. The numbers in this table are based on the conditions set forth in Table 77.
2. This parameter is based on characterization. The pull-up resistance R = V
/ I
. The pull-down resistance R = V / I
.
PU
CCO RPU
PD
IN RPD
120
www.xilinx.com
DS312-3 (v3.8) August 26, 2009
Product Specification
XILINX [ XILINX, INC ]
