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LAN8187_06 Datasheet, PDF (69/72 Pages) SMSC Corporation – ±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM
±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM
Datasheet
Table 7.12 100Base-TX Transceiver Characteristics
PARAMETER
Peak Differential Output Voltage High
Peak Differential Output Voltage Low
Signal Amplitude Symmetry
Signal Rise & Fall Time
Rise & Fall Time Symmetry
Duty Cycle Distortion
Overshoot & Undershoot
Jitter
SYMBOL
VPPH
VPPL
VSS
TRF
TRFS
DCD
VOS
MIN
950
-950
98
3.0
-
35
-
TYP
MAX
-
1050
-
-1050
-
102
-
5.0
-
0.5
50
65
-
5
1.4
UNITS
mVpk
mVpk
%
nS
nS
%
%
nS
NOTES
Note 7.3
Note 7.3
Note 7.3
Note 7.3
Note 7.3
Note 7.4
Note 7.5
Note 7.3 Measured at the line side of the transformer, line replaced by 100Ω (+/- 1%) resistor.
Note 7.4 Offset from 16 nS pulse width at 50% of pulse peak
Note 7.5 Measured differentially.
Table 7.13 10BASE-T Transceiver Characteristics
PARAMETER
SYMBOL MIN TYP MAX UNITS
Transmitter Peak Differential Output Voltage
VOUT
2.2
2.5
2.8
V
Receiver Differential Squelch Threshold
VDS
300
420
585
mV
Note 7.6 Min/max voltages guaranteed as measured with 100Ω resistive load.
NOTES
Note 7.6
SMSC LAN8187/LAN8187I
69
DATASHEET
Revision 1.0 (12-14-06)