VSC7186 Datasheet, PDF (5/16 Pages) Vitesse Semiconductor Corporation – Quad Transceiver for Gigabit Ethernet

VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7186
AC Characteristics
Figure 3: Transmit Timing Waveforms
Quad Transceiver
for Gigabit Ethernet
RFC1
TXi(0:9)
10 Bit Data ^{Data Valid}
T₁
T₂
Data Valid
Data Valid
+/-SOi
RFC1
T_LAT
S0 S1 S2
Table 2: Transmitter AC Characteristics
Parameter
T₁
T₂
T_SDR,T_SDF
T_LAT
RJ
DJ
Description
Min Typ Max
Ti(0:9) Setup time to the rising
edge of RFC1
1.5
—
—
Ti(0:9) hold time after the
rising edge of RFC1
1.0
—
—
Ti+/Ti- rise and fall time
—
—
300
Latency from rising edge of
RFC1 to Ti0 appearing on SO
bit 0i
7bc +
0.66ns
—
7bc +
1.46ns
Transmitter Output Jitter
Random jitter (RMS)
—
5
8
Serial data output deterministic
jitter (pk-pk)
—
35
80
Units
ns.
ns.
ps.
Note:
ps.
ps.
Conditions
Measured between the valid data
level of Ti(0:9) to the 1.4V point of
RFC1
20% to 80%, 75 Ohm load to Vdd/
2, Tested on a sample basis
bc = bit clocks
ns = nanoseconds
Measured at SO+/-, 1 sigma
deviation of 50% crossing pt
IEEE 802.3Z Clause 38.68, Tested
on a sample basis
G52306-0, Rev. 2.0
3/27/00
 VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: [phone]
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