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5.1 Physical Interface
C141-E224 5-7
5.1.3 Electrical specifications
Table 5.1 Physical Layer Electrical Requirements (1/3)
a) General Specifications
Units Nom Min Max Comments
Channel Speed Gbs 1.5
Fbaud GHz 1.5
Reference Value
FER,
Frame Error Rate
8.2e-8 at 95%
confidence level
T
UI
,
Unit Interval
ps 666.6667 666.4333 670.2333
f
tol,
TX Frequency
Long Term Stability
ppm -350 350
f
SSC,
Spread-Spectrum
Modulation Frequency
kHz 30 33
SSC
tol,
Spread-Spectrum
Modulation Deviation
ppm -5000 0
V
cm,dc,
DC Coupled
Common Mode Voltage
mV 250 200 450
V
cm,ac coupled,
AC Coupled
Common Mode Voltage
mV 0 2000
Z
diff,
Nominal
Differential Impedance
ohm 100
C
ac coupling
AC Coupling Capacitance
nF 12
t
settle,cm,
Common Mode
Transient Settle Time
ns 10
V
trans,
Sequencing
Transient Voltage
V -2.0 2.0