XC3S50A Xilinx Corp., XC3S50A Datasheet - Page 14

• Manufacturer Part Number: XC3S50A
• Description: Spartan-3a 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.
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
L
IN
(2)
(2)
(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
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
V
IN
CCAUX
V
V
CCAUX
CCO
CCO
= 0V or V
V
V
V
IN
= 2.25V to 2.75V
= 3.3V
= 2.5V
IN
IN
= 3.0V to 3.6V
= GND
= V
= GND
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CCO
CCO
±
±
Test Conditions
max, sample-tested
10%
10%
All V
Table
CCO
PU
–
8.
V
= V
V
V
levels
V
CCAUX
V
V
V
V
V
V
V
V
CCO
CCO
CCAUX
V
V
V
V
V
V
V
V
V
V
IN
IN
CCO
CCO
CCO
CCO
CCO
CCO
CCO
MINI_LVDS_33,
MINI_LVDS_25,
CCO
CCO
IN
IN
IN
IN
IN
IN
IN
IN
= 1.14V to 1.26V
= 1.14V to 1.26V
3.0V to 3.6V
2.3V to 2.7V
= 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
= 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
= 2.25V to 2.75V
= 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
or V
= 3.0V to 3.6V
RPU
. The pull-down resistance R
CCAUX
CCAUX
=
=
–151
10.8
15.3
Min
–10
–10
–82
–36
–22
–11
167
100
–10
5.1
6.2
8.4
5.5
4.1
3.0
2.7
2.4
7.9
5.9
4.2
3.6
3.0
90
90
3
Add I
DS529-3 (v1.5) July 10, 2007
–315
–182
HS
11.4
14.8
21.6
28.4
41.1
10.4
16.0
12.0
Typ
–88
–56
–31
346
225
100
110
7.8
5.7
5.1
4.5
8.5
7.2
6.0
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
35.0
26.3
18.6
15.7
12.5
+10
+10
+10
–83
659
457
115
9.6
8.1
10
/ I
–
RPD
.
Units
μA
μA
μA
μA
μA
μA
μA
μA
kΩ
kΩ
kΩ
kΩ
kΩ
μA
μA
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
μA
pF
Ω
Ω
R