Datasheet

Artix-7 FPGAs Data Sheet: DC and AC Switching Characteristics
DS181 (v1.21) September 27, 2016 www.xilinx.com
Product Specification 55
Integrated Interface Block for PCI Express Designs Switching Characteristics
More information and documentation on solutions for PCI Express designs can be found at:
www.xilinx.com/products/technology/pci-express.html
Table 63: CPRI Protocol Characteristics
Description Line Rate (Mb/s) Min Max Units
CPRI Transmitter Jitter Generation
Total transmitter jitter
614.4 0.35 UI
1228.8 0.35 UI
2457.6 0.35 UI
3072.0 0.35 UI
4915.2 0.3 UI
6144.0 0.3 UI
CPRI Receiver Frequency Jitter Tolerance
Total receiver jitter tolerance
614.4 0.65 UI
1228.8 0.65 UI
2457.6 0.65 UI
3072.0 0.65 UI
4915.2
(1)
0.60 UI
6144.0
(1)
0.60 UI
Notes:
1. Tested to CEI-6G-SR.
Table 64: Maximum Performance for PCI Express Designs
Symbol Description
Speed Grade
Units1.0V 0.95V 0.9V
-3 -2/-2LE -1 -1LI -2LE
F
PIPECLK
Pipe clock maximum frequency 250.00 250.00 250.00 250.00 250.00 MHz
F
USERCLK
User clock maximum frequency 250.00 250.00 250.00 250.00 250.00 MHz
F
USERCLK2
User clock 2 maximum frequency 250.00 250.00 250.00 250.00 250.00 MHz
F
DRPCLK
DRP clock maximum frequency 250.00 250.00 250.00 250.00 250.00 MHz
Notes:
1. Refer to PG054, 7 Series FPGAs Integrated Block for PCI Express Product Guide for specific supported core configurations.