82598EB Datasheet, PDF (558/596 Pages) Intel Corporation – Intel® 82598EB 10 Gigabit Ethernet Controller Datasheet

Intel^® 82598EB 10 GbE Controller - Reference Clock Specification
Table 7-19. Input Reference Clock DC Specification Requirements
Parameter
Minimum
Typical
RCLKEXTP/N
(Differential Input Voltage)
1000
RCLKEXTP/N
(Input Common Mode Voltage Range)
0.30
(VDD/2-300 mV)
0.60
(VDD/2)
RCLKEXTP/N
(Input Bias Voltage)¹
0.67
(VDD*0.64-100
mV)
0.77
(VDD*0.64)
RCLKEXTP/N
(Differential Input Jitter)²
RCLKEXTP/N
(Differential Input Resistance)
10K
RCLKEXTP/N
(Single Ended Capacitance)
1. This is the voltage that both RCLKEXTP and RCLKEXTN are internally biased to.
2. 10 Hz to 20 Hz.
Maximum
2000
0.90
(VDD/2+300 mV)
0.87
(VDD*0.64+100
mV)
3
5
Unit
mV (p-p)
V dc
V dc
pS/RMS
W
pF
Figure 7-10. Reference Clock AC Characteristics
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