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參數資料
| 型號： | XC7K420T-1LFFG901C |
| 廠商： | XILINX INC |
| 元件分類： | FPGA |
| 英文描述： | FPGA, PBGA900 |
| 封裝： | LEAD FREE, FBGA-900 |
| 文件頁數： | 43/50頁 |
| 文件大?。?/td> | 1218K |
| 代理商： | XC7K420T-1LFFG901C |
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Kintex-7 FPGAs Data Sheet: DC and Switching Characteristics
DS182 (v1.1) April 1, 2011
Advance Product Specification
48
Clock Switching Characteristics
The parameters in this section provide the necessary values for calculating timing budgets for Kintex-7 FPGA clock
transmitter and receiver data-valid windows.
Table 53: Clock-Capable Clock Input Setup and Hold With PLL
Symbol
Description
Device
Speed Grade
Units
-3
-2
-1
-1L
Input Setup and Hold Time Relative to Clock-Capable Clock Input Signal for LVCMOS Standard.(1)
TPSPLLCC/
TPHPLLCC
No Delay clock-capable clock input and
IFF(2) with PLL
XC7K70T
1.75/
–0.50
1.94/
–0.50
2.22/
–0.50
ns
XC7K160T
1.80
–0.49
1.99
–0.49
2.27
–0.49
ns
XC7K325T
1.89
–0.53
2.11
–0.53
2.43
–0.53
ns
XC7K355T
ns
XC7K410T
1.89
–0.53
2.11
–0.53
2.43
–0.53
ns
XC7K420T
ns
XC7K480T
ns
Notes:
1.
Setup and Hold times are measured over worst case conditions (process, voltage, temperature). Setup time is measured relative to the
Global Clock input signal using the slowest process, highest temperature, and lowest voltage. Hold time is measured relative to the Global
Clock input signal using the fastest process, lowest temperature, and highest voltage.
2.
IFF = Input Flip-Flop or Latch
3.
Use IBIS to determine any duty-cycle distortion incurred using various standards.
Table 54: Duty Cycle Distortion and Clock-Tree Skew
Symbol
Description
Device
Speed Grade
Units
-3
-2
-1
-1L
TDCD_CLK
Global Clock Tree Duty Cycle
Distortion(1)
All
0.12
ns
TCKSKEW
Global Clock Tree Skew(2)
XC7K70T
0.18
0.20
0.22
ns
XC7K160T
0.32
0.36
0.40
ns
XC7K325T
0.47
0.52
0.59
ns
XC7K355T
ns
XC7K410T
0.47
0.52
0.59
ns
XC7K420T
ns
XC7K480T
ns
TDCD_BUFIO
I/O clock tree duty cycle distortion
All
0.08
ns
TBUFIOSKEW
I/O clock tree skew across one clock
region
All
0.04
0.03
ns
TDCD_BUFR
Regional clock tree duty cycle
distortion
All
0.15
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 your application.
相關PDF資料 |
PDF描述 |
|---|---|
| XC7K420T-1LFFG901E | FPGA, PBGA900 |
| XC7K420T-1LFFG901I | FPGA, PBGA900 |
| XC7K420T-2FFG1156C | FPGA, PBGA1156 |
| XC7K420T-2FFG1156E | FPGA, PBGA1156 |
| XC7K420T-2FFG1156I | FPGA, PBGA1156 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| XC7K420T-2FF1156C | 制造商:Xilinx 功能描述:KINTEX-7 - Trays 制造商:Xilinx 功能描述:IC FPGA 400 I/O 1156FCBGA |
| XC7K420T-2FF1156I | 制造商:Xilinx 功能描述:KINTEX-7 - Trays 制造商:Xilinx 功能描述:IC FPGA 400 I/O 1156FCBGA |
| XC7K420T-2FF901C | 制造商:Xilinx 功能描述:KINTEX-7 - Trays 制造商:Xilinx 功能描述:IC FPGA 420K KINTEX-7 901FBGA |
| XC7K420T-2FF901I | 制造商:Xilinx 功能描述:KINTEX-7 - Trays 制造商:Xilinx 功能描述:IC FPGA 380 I/O 901FCBGA |
| XC7K420T-2FFG1156C | 制造商:Xilinx 功能描述:IC FPGA 420K KINTEX-7 1156FBGA |
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