5.1 Physical Interface
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
C141-E249
5-7
Summary of Contents for MHW2040BS
Page 1: ...C141 E249 01EN MHW2120BS MHW2100BS MHW2080BS MHW2060BS MHW2040BS DISK DRIVES PRODUCT MANUAL ...
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Page 86: ...Interface Figure 5 2 Example of the circuit for driving Ready LED 5 12 C141 E249 ...
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