xc3s1400an Xilinx Corp., xc3s1400an Datasheet - Page 14

• Manufacturer Part Number: xc3s1400an
• Description: Spartan-3an Fpga Family Data Sheet
• Manufacturer: Xilinx Corp.

DC and Switching Characteristics
General DC Characteristics for I/O Pins
Table 9: General DC Characteristics of User I/O, Dual-Purpose, and Dedicated Pins
14
Notes:
1.
2.
3.
Symbol
I
I
R
R
RPU
RPD
I
R
I
C
PU
PD
REF
HS
I
DT
The numbers in this table are based on the conditions set forth in
This parameter is based on characterization. The pull-up resistance R
V
L
IN
(2)
(2)
CCAUX
(2)
(2)
Leakage current at User I/O,
Input-only, Dual-Purpose, and
Dedicated pins, FPGA powered
Current through pull-up resistor
at User I/O, Dual-Purpose,
Input-only, and Dedicated pins.
Dedicated pins are powered by
V
Equivalent pull-up resistor value
at User I/O, Dual-Purpose,
Input-only, and Dedicated pins
(based on I
Current through pull-down
resistor at User I/O,
Dual-Purpose, Input-only, and
Dedicated pins
Equivalent pull-down resistor
value at User I/O, Dual-Purpose,
Input-only, and Dedicated pins
(based on I
V
Input capacitance
Resistance of optional differential
termination circuit within a
differential I/O pair. Not available
on Input-only pairs.
Leakage current on pins during
hot socketing, FPGA unpowered
must be 3.3V on Spartan-3AN FPGAs. V
CCAUX
REF
current per pin
.
Description
RPU
RPD
per Note 2)
per Note 2)
Driver is in a high-impedance state,
V
All pins except INIT_B, PROG_B, DONE, and JTAG
pins when PUDC_B = 1.
INIT_B, PROG_B, DONE, and JTAG pins or other
pins when PUDC_B = 0.
V
IN
V
V
CCAUX
CCO
CCO
= 0V or V
CCAUX
V
V
V
IN
= 3.3V
= 2.5V
IN
IN
= 3.0V to 3.6V
= GND
= V
= GND
for Spartan-3A FPGAs can be either 3.3V or 2.5V.
CCO
www.xilinx.com
CCO
±
±
Test Conditions
max, sample-tested
10%
10%
All V
Table
CCO
PU
-
8.
= V
V
V
levels
V
V
V
V
V
V
V
V
V
CCO
CCO
CCAUX
V
V
V
V
V
IN
CCO
CCO
CCO
CCO
CCO
CCO
CCO
CCO
MINI_LVDS_33,
MINI_LVDS_25,
CCO
IN
IN
IN
IN
= 1.14V to 1.26V
3.0V to 3.6V
= 1.14V to 1.26V
= 1.14V to 1.26V
= 3.0V to 3.6V
= 2.3V to 2.7V
= 1.7V to 1.9V
= 1.4V to 1.6V
LVDS_33,
RSDS_33
LVDS_25,
RSDS_25
/ I
= 2.3V to 2.7V
= 1.7V to 1.9V
= 1.4V to 1.6V
= 3.0V to 3.6V
= 2.3V to 2.7V
= 1.7V to 1.9V
= 1.4V to 1.6V
or V
= 3.0V to 3.6V
RPU
. The pull-down resistance R
CCAUX
=
–151
10.8
15.3
Min
–10
–10
–82
–36
–22
–11
167
–10
5.1
6.2
8.4
5.5
4.1
3.0
2.7
2.4
90
90
–
Add I
DS557-3 (v3.1) June 2, 2008
–315
–182
HS
11.4
14.8
21.6
28.4
41.1
10.4
Typ
–88
–56
–31
346
100
110
7.8
5.7
5.1
4.5
Product Specification
–
–
–
–
PD
+ I
= V
RPU
IN
119.4
–710
–437
–226
–148
Max
23.9
33.1
52.6
74.0
20.8
15.7
11.1
+10
+10
–83
+10
659
115
9.6
8.1
10
/ I
–
RPD
.
Units
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
pF
Ω
Ω
R