参数资料
型号: XC4VLX15-11FFG676I
厂商: XILINX INC
元件分类: FPGA
英文描述: FPGA, 1536 CLBS, 1205 MHz, PBGA676
封装: LEAD FREE, FBGA-676
文件页数: 56/58页
文件大小: 1863K
代理商: XC4VLX15-11FFG676I
Virtex-4 FPGA Data Sheet: DC and Switching Characteristics
DS302 (v3.7) September 9, 2009
Product Specification
7
Power-On Power Supply Requirements
Xilinx FPGAs require a certain amount of supply current
during power-on to insure proper device initialization. The
actual current consumed depends on the power-on ramp
rate of the power supply.
The power supplies can be turned on in any sequence,
though the specifications shown in Table 5 are for the rec-
ommended power-on sequence of VCCINT, VCCAUX, VCCO.
Xilinx does not specify the current for other power-on
sequences.
Table 5 shows the minimum current required by Virtex-4
devices for proper power-on and configuration.
If the current minimums shown in Table 5 are met, the
device powers on properly after all three supplies have
passed through their power-on reset threshold voltages.
Once initialized and configured, use the XPower tool to esti-
mate current drain on these supplies.
Table 5: Power-On Current for Virtex-4 Devices
Device
ICCINTMIN
ICCAUXMIN
ICCOMIN
Units
Typ(1)
Max (2)
Typ(1)
Max(2)
Typ(1)
Max(2)
XC4VLX15
110
750
60
100
50
75
mA
XC4VLX25
160
1350
85
125
75
100
mA
XC4VLX40
250
1500
110
150
75
105
mA
XC4VLX60
300
1925
225
300
150
250
mA
XC4VLX80
400
2550
280
350
150
275
mA
XC4VLX100
500
3200
335
425
200
300
mA
XC4VLX160
700
3700
500
600
250
400
mA
XC4VLX200
850
3850
500
600
250
400
mA
XC4VSX25
175
725
110
150
75
105
mA
XC4VSX35
250
1350
165
200
100
150
mA
XC4VSX55
400
2225
225
300
150
225
mA
XC4VFX12
111
750
56
100
50
75
mA
XC4VFX20
151
1100
56
100
75
125
mA
XC4VFX40
244
1650
167
250
125
225
mA
XC4VFX60
339
2250
222
350
150
275
mA
XC4VFX100
511
3300
278
500
200
300
mA
XC4VFX140
702
4250
500
825
250
375
mA
Notes:
1.
Typical values are specified at nominal voltage, 25°C.
2.
Maximum values are specified under worst-case process, voltage, and temperature conditions.
Table 6: Power Supply Ramp Time
Symbol
Description
Ramp Time
Units
VCCINT
Internal supply voltage relative to GND
0.20 to 50.0
ms
VCCO
Output drivers supply voltage relative to GND
0.20 to 50.0
ms
VCCAUX
Auxiliary supply voltage relative to GND
0.20 to 50.0
ms
相关PDF资料
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XC4VLX15-12FFG676C FPGA, 1536 CLBS, 1205 MHz, PBGA676
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