LAN9221_12 Datasheet, PDF (146/151 Pages) SMSC Corporation – High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O

High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Datasheet
Table 7.9 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 MIN
V_PPH
950
V_PPL
-950
V_SS
98
T_RF
3.0
T_RFS
-
D_CD
35
V_OS
-
TYP MAX UNITS
-
1050
mVpk
-
-1050 mVpk
-
102
%
-
5.0
nS
-
0.5
nS
50
65
%
-
5
%
1.4
nS
NOTES
Note 7.10
Note 7.10
Note 7.10
Note 7.10
Note 7.10
Note 7.11
Note 7.12
Note 7.10 Measured at the line side of the transformer, line replaced by 100Ω (+/- 1%) resistor.
Note 7.11 Offset from16 nS pulse width at 50% of pulse peak
Note 7.12 Measured differentially.
Table 7.10 10BASE-T Transceiver Characteristics
PARAMETER
Transmitter Peak Differential
Output Voltage
Receiver Differential Squelch
Threshold
SYMBOL MIN
V_OUT
2.2
V_DS
300
TYP
2.5
420
MAX
2.8
UNITS
V
585
mV
NOTES
Note 7.13
Note 7.13 Min/Max voltages guaranteed as measured with 100Ω resistive load.
Revision 2.9 (03-01-12)
146
DATASHEET
SMSC LAN9221/LAN9221i