Datasheet

16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
Datasheet
Revision 2.9 (03-01-12) 146 SMSC LAN9220
DATASHEET
Note 7.8 Measured at the line side of the transformer, line replaced by 100Ω (+/- 1%) resistor.
Note 7.9 Offset from16 nS pulse width at 50% of pulse peak
Note 7.10 Measured differentially.
Note 7.11 Min/Max voltages guaranteed as measured with 100Ω resistive load.
Table 7.9 100BASE-TX Transceiver Characteristics
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Peak Differential Output Voltage
High
V
PPH
950 - 1050 mVpk Note 7.8
Peak Differential Output Voltage
Low
V
PPL
-950 - -1050 mVpk Note 7.8
Signal Amplitude Symmetry V
SS
98 - 102 % Note 7.8
Signal Rise & Fall Time T
RF
3.0 - 5.0 nS Note 7.8
Rise & Fall Time Symmetry T
RFS
--0.5nS Note 7.8
Duty Cycle Distortion D
CD
35 50 65 % Note 7.9
Overshoot & Undershoot V
OS
--5%
Jitter 1.4 nS Note 7.10
Table 7.10 10BASE-T Transceiver Characteristics
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Transmitter Peak Differential
Output Voltage
V
OUT
2.2 2.5 2.8 V Note 7.11
Receiver Differential Squelch
Threshold
V
DS
300 420 585 mV