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LAN9211 Datasheet(PDF) 142 Page - SMSC Corporation |
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LAN9211 Datasheet(HTML) 142 Page - SMSC Corporation |
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142 / 147 page ![]() High-Performance Small Form Factor Single-Chip Ethernet Controller with HP Auto-MDIX Support Datasheet Revision 2.9 (03-01-12) 142 SMSC LAN9211 DATASHEET Note 7.5 This specification applies to all inputs and tri-stated bi-directional pins. Internal pull-down and pull-up resistors add +/- 50uA per-pin (typical). Note 7.6 This is the total VIN input leakage for the entire device. This value should be divided by the number of pins driven to VIN MAX to calculate per-pin leakage. For example, if 10 pins are driven to the maximum operational limit for VIN, the per-pin input leakage is the maximum input leakage current divided by 10. Note 7.7 Measured at the line side of the transformer, line replaced by 100 Ω (+/- 1%) resistor. Note 7.8 Offset from16 nS pulse width at 50% of pulse peak Note 7.9 Measured differentially. Note 7.10 Min/Max voltages guaranteed as measured with 100 Ω resistive load. High Output Level VOH VDD - 0.4 V IOH = -8mA ICLK Input Buffer Low Input Level VILCK -0.3 0.5 V High Input Level VIHCK 1.4 3.6 V Table 7.5 100BASE-TX Transceiver Characteristics PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Peak Differential Output Voltage High VPPH 950 - 1050 mVpk Note 7.7 Peak Differential Output Voltage Low VPPL -950 - -1050 mVpk Note 7.7 Signal Amplitude Symmetry VSS 98 - 102 % Note 7.7 Signal Rise & Fall Time TRF 3.0 - 5.0 nS Note 7.7 Rise & Fall Time Symmetry TRFS -- 0.5 nS Note 7.7 Duty Cycle Distortion DCD 35 50 65 % Note 7.8 Overshoot & Undershoot VOS -- 5 % Jitter 1.4 nS Note 7.9 Table 7.6 10BASE-T Transceiver Characteristics PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Transmitter Peak Differential Output Voltage VOUT 2.2 2.5 2.8 V Note 7.10 Receiver Differential Squelch Threshold VDS 300 420 585 mV Table 7.4 I/O Buffer Characteristics (continued) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES |
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