DS681 Datasheet, PDF (9/56 Pages) Xilinx, Inc – Fast look-ahead carry logic

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General DC Characteristics for I/O Pins
Table 9: General DC Characteristics of User I/O, Dual-Purpose, and Dedicated Pins
Symbol
Description
Test Conditions
I_L Leakage current at User I/O,
Driver is in a high-impedance state,
Input-only, Dual-Purpose, and V_IN = 0V or V_CCO max, sample-tested
Dedicated pins, FPGA powered
I_HS
Leakage current on pins during All pins except INIT_B, PROG_B, DONE, and JTAG
hot socketing, FPGA unpowered ^{pins when PUDC_B = 1.}
INIT_B, PROG_B, DONE, and JTAG pins or other
pins when PUDC_B = 0.
I_RPU(2)
Current through pull-up resistor
at User I/O, Dual-Purpose,
Input-only, and Dedicated pins.
Dedicated pins are powered by
V_CCAUX.
R_PU(2)
Equivalent pull-up resistor value
at User I/O, Dual-Purpose,
Input-only, and Dedicated pins
(based on I_RPU per Note 2)
I_RPD(2)
Current through pull-down
resistor at User I/O,
Dual-Purpose, Input-only, and
Dedicated pins
V_IN = GND
V_IN = GND
V_IN = V_CCO
V_CCO or V_CCAUX =
3.0V to 3.6V
V_CCO or V_CCAUX =
2.3V to 2.7V
V_CCO = 1.7V to 1.9V
V_CCO = 1.4V to 1.6V
V_CCO = 1.14V to 1.26V
V_CCO = 3.0V to 3.6V
V_CCO = 2.3V to 2.7V
V_CCO = 1.7V to 1.9V
V_CCO = 1.4V to 1.6V
V_CCO = 1.14V to 1.26V
V_CCAUX = 3.0V to 3.6V
V_CCAUX = 2.25V to 2.75V
R_PD(2)
I_REF
C_IN
R_DT
Equivalent pull-down resistor
value at User I/O, Dual-Purpose,
Input-only, and Dedicated pins
(based on I_RPD per Note 2)
V_REF current per pin
Input capacitance
Resistance of optional differential
termination circuit within a
differential I/O pair. Not available
on Input-only pairs.
V_CCAUX = 3.0V to 3.6V
V_IN = 3.0V to 3.6V
V_IN = 2.3V to 2.7V
V_IN = 1.7V to 1.9V
V_IN = 1.4V to 1.6V
V_IN = 1.14V to 1.26V
V_CCAUX = 2.25V to 2.75V
V_IN = 3.0V to 3.6V
V_IN = 2.3V to 2.7V
V_IN = 1.7V to 1.9V
V_IN = 1.4V to 1.6V
V_IN = 1.14V to 1.26V
All V_CCO levels
–
V_CCO = 3.3V ± 10%
LVDS_33,
MINI_LVDS_33,
RSDS_33
V_CCO = 2.5V ± 10%
LVDS_25,
MINI_LVDS_25,
RSDS_25
Min Typ Max Units
–10
–
+10 μA
–10
–
+10 μA
Add I_HS + I_RPU
μA
–151 –315 –710 μA
–82 –182 –437 μA
–36
–22
–11
5.1
6.2
8.4
10.8
15.3
167
100
5.5
4.1
3.0
2.7
2.4
7.9
5.9
4.2
3.6
3.0
–10
3
90
–88 –226 μA
–56 –148 μA
–31 –83 μA
11.4 23.9 kΩ
14.8 33.1 kΩ
21.6 52.6 kΩ
28.4 74.0 kΩ
41.1 119.4 kΩ
346 659 μA
225 457 μA
10.4 20.8 kΩ
7.8 15.7 kΩ
5.7 11.1 kΩ
5.1
9.6 kΩ
4.5
8.1 kΩ
16.0 35.0 kΩ
12.0 26.3 kΩ
8.5 18.6 kΩ
7.2 15.7 kΩ
6.0 12.5 kΩ
–
+10 μA
–
10
pF
100 115 Ω
90
110
–
Ω
Notes:
1. The numbers in this table are based on the conditions set forth in Table 8.
2. This parameter is based on characterization. The pull-up resistance R_PU = V_CCO / I_RPU. The pull-down resistance R_PD = V_IN / I_RPD.
DS681 (v1.1) February 3, 2009
www.xilinx.com
9
Product Specification