English
Language : 

LAN9303 Datasheet, PDF (349/366 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
Table 14.5 100BASE-TX Transceiver Characteristics
PARAMETER
Peak Differential Output Voltage High
Peak Differential Output Voltage Low
Signal Amplitude Symmetry
Signal Rise and Fall Time
Rise and Fall Symmetry
Duty Cycle Distortion
Overshoot and Undershoot
Jitter
SYMBOL
VPPH
VPPL
VSS
TRF
TRFS
DCD
VOS
MIN
950
-950
98
3.0
-
35
-
TYP
MAX UNITS NOTES
-
1050 mVpk Note 14.8
-
-1050 mVpk Note 14.8
-
102
%
Note 14.8
-
5.0
nS
Note 14.8
-
0.5
nS
Note 14.8
50
65
%
Note 14.9
-
5
%
1.4
nS
Note 14.10
Note 14.8 Measured at line side of transformer, line replaced by 100Ω (+/- 1%) resistor.
Note 14.9 Offset from 16nS pulse width at 50% of pulse peak.
Note 14.10 Measured differentially.
Table 14.6 10BASE-T Transceiver Characteristics
PARAMETER
SYMBOL MIN
Transmitter Peak Differential Output Voltage VOUT
2.2
Receiver Differential Squelch Threshold
VDS
300
TYP
MAX
2.5
2.8
420
585
UNITS NOTES
V
Note 14.11
mV
Note 14.11 Min/max voltages guaranteed as measured with 100Ω resistive load.
SMSC LAN9303/LAN9303i
349
DATASHEET
Revision 1.3 (08-27-09)