R
QPRO XQ4000XL Series QML High-Reliability FPGAs
XQ4000XL DC Characteristics Over Recommended Operating Conditions
Symbol
Description
Min
Max
Units
V
V
High-level output voltage at I
High-level output voltage at I
= –4 mA, V min (LVTTL)
2.4
-
-
OH
OH
OH
CC
= –500 µA, (LVCMOS)
90% V
V
CC
(1)
V
Low-level output voltage at I = 12 mA, V min (LVTTL)
-
0.4
V
OL
DR
OL
CC
Low-level output voltage at I = 1500 µA, (LVCMOS)
-
2.5
-
10% V
V
OL
CC
V
Data retention supply voltage (below which configuration data may be lost)
-
V
(2)
I
Quiescent FPGA supply current
5
mA
µA
pF
pF
mA
mA
mA
CCO
I
Input or output leakage current
–10
-
+10
10
L
C
Input capacitance (sample tested)
BGA, PQ, HQ, packages
PGA packages
IN
-
16
I
I
Pad pull-up (when selected) at V = 0V (sample tested)
0.02
0.02
0.3
0.25
0.15
2.0
RPU
RPD
IN
Pad pull-down (when selected) at V = 3.6V (sample tested)
IN
I
Horizontal longline pull-up (when selected) at logic Low
RLL
Notes:
1. With up to 64 pins simultaneously sinking 12 mA.
2. With no output current loads, no active input or Longline pull-up resistors, all I/O pins in a High-Z state and floating.
Power-On Power Supply Requirements
Xilinx FPGAs require a minimum rated power supply current
capacity to insure proper initialization, and the power supply
ramp-up time does affect the current required. A fast
ramp-up time requires more current than a slow ramp-up
time. The slowest ramp-up time is 50 ms. Current capacity
is not specified for a ramp-up time faster than 2 ms. The cur-
rent capacity varies linealy with ramp-up time, e.g., an
XQ4036XL with a ramp-up time of 25 ms would require a
capacity predicted by the point on the straight line drawn
from 1A at 120 µs to 500 mA at 50 ms at the 25 ms time
mark. This point is approximately 750 mA .
Ramp-up Time
Product
XQ4013 - 36XL
XC4062XL
Description
Minimum required current supply
Minimum required current supply
Minimum required current supply
Fast (120 µs)
Slow (50 ms)
500 mA
1A
2A
500 mA
(1)
(1)
XC4085XL
2A
500 mA
Notes:
1. The XC4085XL fast ramp-up time is 5 ms.
2. Devices are guaranteed to initialize properly with the minimum current listed above. A larger capacity power supply may result in a
larger initialization current.
3. This specification applies to Commercial and Industrial grade products only.
4. Ramp-up Time is measured from 0V to 3.6V . Peak current required lasts less than 3 ms, and occurs near the internal power
DC
DC
on reset threshold voltage. After initialization and before configuration, I max is less than 10 mA.
CC
4
www.xilinx.com
DS029 (v1.3) June 25, 2000
1-800-255-7778
Product Specification
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