VSC7133QU データシートの表示（PDF） - Vitesse Semiconductor
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VSC7133QU Datasheet PDF : 18 Pages
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VITESSE
SEMICONDUCTOR CORPORATION
10-bit Transceiver for Fibre
Channel and Gigabit Ethernet
Advance Product Information
VSC7133
Figure 6: REFCLK Timing Waveforms
REFCLKP
REFLKN
TL
TR
TH
TF
VIH(MIN)
VIL(MAX)
Table 4: Reference Clock Requirements
Parameter
Description
FR
Frequency Range
Min Max Units
Conditions
Range over which both transmit and
98
136
MHz
receive reference clocks on any link
may be centered
FO
Frequency Offset
Maximum frequency offset between
-200
200
ppm.
transmit and receive reference clocks
on one link
DC
TR,TF
REFCLK duty cycle
REFCLK rise and fall time
35
65
% Measured at 1.5V
—
1.5
ns. Between VIL(MAX) and VIH(MIN)
Page 8
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
G52187-0 Rev. 2.4
1/17/00
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