DS152 XILINX [Xilinx, Inc], DS152 Datasheet - Page 18

• Manufacturer Part Number: DS152
• Description: Virtex-6 FPGA Data Sheet: DC and Switching Characteristics
• Manufacturer: XILINX [Xilinx, Inc]

GTH Transceiver Switching Characteristics
Consult Virtex-6 FPGA GTH Transceivers User Guide for further information.
Table 32: GTH Transceiver Maximum Data Rate and PLL Frequency Range
Table 33: GTH Transceiver Dynamic Reconfiguration Port (DRP) Switching Characteristics
Table 34: GTH Transceiver Reference Clock Switching Characteristics
X-Ref Target - Figure 5
DS152 (v2.10) October18, 2010
Advance Product Specification
Notes:
1.
F
F
F
F
F
F
T
T
T
T
T
Symbol
GTHMAX
GTHMIN
GPLLMAX
GPLLMIN
GTHDRPCLK
GCLK
RCLK
FCLK
DCREF
LOCK
PHASE
Symbol
Symbol
Lower data rates can be achieved using FPGA logic based oversampling designs.
Reference clock frequency range
Reference clock rise time
Reference clock fall time
Reference clock duty cycle
Clock recovery frequency acquisition
time
Clock recovery phase acquisition time
GTHDRPCLK maximum frequency
Maximum GTH transceiver data rate
Minimum GTH transceiver data rate
Maximum GTH PLL frequency
Minimum GTH PLL frequency
Description
80%
20%
Description
T
FCLK
Figure 5: Reference Clock Timing Parameters
Description
(1)
-1 speed grade
-2 and -3 speed grades
20% – 80%
80% – 20%
CLK
Initial PLL lock
Lock to data after PLL has locked
to the reference clock
T
www.xilinx.com
RCLK
PLL Output Divider = 1
PLL Output Divider = 4
PLL Output Divider = 1
PLL Output Divider = 4
Virtex-6 FPGA Data Sheet: DC and Switching Characteristics
Conditions
Conditions
11.182
2.795
5.591
9.92
2.48
4.96
Min
150
150
-3
70
45
-3
All Speed Grades
ds152_05_042109
Speed Grade
Speed Grade
11.182
2.795
5.591
9.92
2.48
4.96
Typ
200
200
-2
50
70
-2
10.32
2.58
9.92
2.48
5.16
4.96
Max
623
670
-1
55
60
-1
Units
Units
Units
Gb/s
Gb/s
Gb/s
Gb/s
GHz
GHz
MHz
MHz
MHz
ms
ps
ps
µs
%
18