Intel C2550 FH8065401488912 Data Sheet
Product codes
FH8065401488912
Intel
®
Atom™ Processor C2000 Product Family for Microserver
September 2014
Datasheet, Vol. 3 of 3
Order Number: 330061-002US
671
Volume 3—Signal Electrical and Timing Characteristics—C2000 Product Family
SoC Reference Clock Interfaces
33.16.2
GbE Reference Clock
• GBE_REFCLK[P, N] - GbE Controller Reference Clock, Differential, no Spread
Spectrum.
shows the required clock period based on:
• Cycle-to-Cycle Jitter = 85 ps
• Spread = 0.00% (no spread spectrum)
• Spread = 0.00% (no spread spectrum)
has the AC requirements for these reference clock inputs.
Table 33-28. Clock Period Requirements - Differential Input - No Spread Spectrum
Center
Frequency
(MHz)
Measurement Window
Clock Period
(ns)
Fig
100.00
1 Clock
- Clock-to-Clock Jitter AbsPer Min
9.91499
0.1 sec
- ppm Long-Term Average Min
9.99999
0.1 sec
0 ppm Period Nominal
10.00000
0.1 sec
+ ppm Long-Term Average Max
10.00001
1 Clock
+ Clock-to-Clock Jitter AbsPer Max
10.08501
125.00
1 Clock
- Clock-to-Clock Jitter AbsPer Min
7.9149
0.1 sec
- ppm Long-Term Average Min
7.99999
0.1 sec
0 ppm Period Nominal
8.00000
0.1 sec
+ ppm Long-Term Average Max
8.00001
1 Clock
+ Clock-to-Clock Jitter AbsPer Max
8.08501