参数资料
型号: XC5VLX85-1FF676C
厂商: Xilinx Inc
文件页数: 82/91页
文件大小: 0K
描述: IC FPGA VIRTEX-5 85K 676FBGA
标准包装: 1
系列: Virtex®-5 LX
LAB/CLB数: 6480
逻辑元件/单元数: 82944
RAM 位总计: 3538944
输入/输出数: 440
电源电压: 0.95 V ~ 1.05 V
安装类型: 表面贴装
工作温度: 0°C ~ 85°C
封装/外壳: 676-BBGA,FCBGA
供应商设备封装: 676-FCBGA(27x27)
配用: 568-5088-ND - BOARD DEMO DAC1408D750
HW-AFX-FF676-500-G-ND - BOARD DEV VIRTEX 5 FF676
Virtex-5 FPGA Data Sheet: DC and Switching Characteristics
DS202 (v5.3) May 5, 2010
Product Specification
83
Source-Synchronous Switching Characteristics
The parameters in this section provide the necessary values for calculating timing budgets for Virtex-5 FPGA
source-synchronous transmitter and receiver data-valid windows.
Table 98: Duty Cycle Distortion and Clock-Tree Skew
Symbol
Description
Device
Speed Grade
Units
-3
-2
-1
TDCD_CLK
Global Clock Tree Duty Cycle Distortion(1)
All
0.12
ns
TCKSKEW
Global Clock Tree Skew(2)
XC5VLX20T
N/A
0.24
0.25
ns
XC5VLX30
0.21
0.22
ns
XC5VLX30T
0.21
0.22
ns
XC5VLX50
0.26
0.27
0.28
ns
XC5VLX50T
0.26
0.27
0.28
ns
XC5VLX85
0.42
0.43
0.45
ns
XC5VLX85T
0.42
0.43
0.45
ns
XC5VLX110
0.48
0.50
0.51
ns
XC5VLX110T
0.48
0.50
0.51
ns
XC5VLX155
0.82
0.85
0.88
ns
XC5VLX155T
0.82
0.85
0.88
ns
XC5VLX220
N/A
1.07
1.10
ns
XC5VLX220T
N/A
1.07
1.10
ns
XC5VLX330
N/A
1.25
1.29
ns
XC5VLX330T
N/A
1.25
1.29
ns
XC5VSX35T
0.38
0.39
ns
XC5VSX50T
0.43
0.44
0.45
ns
XC5VSX95T
N/A
0.72
0.74
ns
XC5VSX240T
N/A
1.32
1.36
ns
XC5VTX150T
N/A
0.70
0.73
ns
XC5VTX240T
N/A
0.97
1.00
ns
XC5VFX30T
0.34
0.35
ns
XC5VFX70T
0.41
0.42
0.43
ns
XC5VFX100T
0.82
0.84
0.86
ns
XC5VFX130T
0.82
0.84
0.86
ns
XC5VFX200T
N/A
1.24
1.29
ns
TDCD_BUFIO
I/O clock tree duty cycle distortion
All
0.10
ns
TBUFIOSKEW
I/O clock tree skew across one clock region
All
0.07
0.08
ns
TDCD_BUFR
Regional clock tree duty cycle distortion
All
0.25
ns
Notes:
1.
These parameters represent the worst-case duty cycle distortion observable at the pins of the device using LVDS output buffers. For cases
where other I/O standards are used, IBIS can be used to calculate any additional duty cycle distortion that might be caused by asymmetrical
rise/fall times.
2.
The TCKSKEW value represents the worst-case clock-tree skew observable between sequential I/O elements. Significantly less clock-tree
skew exists for I/O registers that are close to each other and fed by the same or adjacent clock-tree branches. Use the Xilinx FPGA_Editor
and Timing Analyzer tools to evaluate clock skew specific to the application.
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