VSC7185TW Просмотр технического описания (PDF) - Vitesse Semiconductor
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VSC7185TW Datasheet PDF : 18 Pages
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VITESSE
SEMICONDUCTOR CORPORATION
Quad Transceiver for
Gigabit Ethernet and Fibre Channel
Preliminary Data Sheet
VSC7185
AC Characteristics
Figure 3: Transmit Timing Waveforms
10 bit times
TXCT
TXi(0:4)
Data Valid
Data Valid
Data Valid
TXCV
TXCV
TC
2x TC
Internal Clock
TXS TXH
TXS TXH
10-BIT CHAR A
10-BIT CHAR B
SOi+/-
TXi(0:4)
TXi7 TXi8 TXi9 TXi0 TXi1 TXi2
TXLAT
CHAR B [4:0]
CHAR B [9:5]
TC
Table 2: Transmitter AC Characteristics
Parameter
TTXCT
TTXCV
TTXS
TTXH
TTXLAT
Description
TXi(0:4) Input Data and TC
Clock Transition Range
TXi(0:4) Input Data and TC
Clock Valid Time
TXi(0:4) Input Data and TC
Setup Time to Internal 2x Clock
TXi(0:4) Input Data and TC
Hold Time to Internal 2x Clock
TC Duty Cycle
Transmitter Latency
Min
Max
—
2.0
3.0
—
700
—
700
—
35
65
11 bits + 1 ns 11 bits + 2 ns
Units
bits
bits
ps
ps
%
—
Conditions
Page 6
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
G52324-0, Rev. 3.0
8/28/00
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