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R
Spartan-3 FPGA Family: DC and Switching Characteristics
Table 5: General Recommended Operating Conditions
Symbol
Description
Min
Nom
Max
Units
T_J
Junction temperature
Commercial
Industrial
0
-
85
°C
–40
-
100
°C
V_CCINT
V_CCO ⁽¹⁾
Internal supply voltage
Output driver supply voltage
1.140
1.200
1.260
V
1.140
-
3.450
V
V_CCAUX
Auxiliary supply voltage
2.375
2.500
2.625
V
Notes:
1. The V_CCO range given here spans the lowest and highest operating voltages of all supported I/O standards. The recommended
V_CCO range specific to each of the single-ended I/O standards is given in Table 8, and that specific to the differential standards is
given in Table 10.
Table 6: General DC Characteristics of User I/O, Dual-Purpose, and Dedicated Pins
Symbol
Description
Test Conditions
Device Revision Min Typ Max Units
I_L
Leakage current at User
Driver is in a
0 V_CCO > 3.0V –25
-
+25 µA
I/O, Dual-Purpose, and
Dedicated pins
high-impedance state,
V_IN = 0V or V_CCO max,
V_CCO < 3.0V –10
-
+10 µA
sample-tested
I_RPU(2)
Current through pull-up
resistor at User I/O,
Dual-Purpose, and
Dedicated pins
I_RPD(2)
Current through
pull-down resistor at
User I/O, Dual-Purpose,
and Dedicated pins
V_IN =0, V_CCO = 3.3V
V_IN =0, V_CCO = 3.0V
V_IN =0, V_CCO = 2.5V
V_IN =0, V_CCO = 1.8V
V_IN =0, V_CCO = 1.5V
V_IN =0, V_CCO = 1.2V
V_IN = V_CCO
0
–0.84 - –2.35 mA
–0.69 - –1.99 mA
–0.47 - –1.41 mA
–0.21 - –0.69 mA
–0.13 - –0.43 mA
–0.06 - –0.22 mA
0.37
-
1.67 mA
I_REF V_REF current per pin
C_IN Input capacitance
0 V_CCO > 3.0V –25
-
+25 µA
V_CCO < 3.0V –10
-
+10 µA
All
3
-
10
pF
Notes:
1. The numbers in this table are based on the conditions set forth in Table 5.
2. This parameter is based on characterization.
DS099-3 (v1.3) March 4, 2004
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