LAN9211 datasheet(142/147 Pages) SMSC

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

IOH = -8mA

ICLK Input Buffer

Low Input Level

VILCK

-0.3

0.5

High Input Level

VIHCK

1.4

3.6

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

102

Note 7.7

Signal Rise & Fall Time

TRF

3.0

5.0

Note 7.7

Rise & Fall Time Symmetry

TRFS

0.5

Note 7.7

Duty Cycle Distortion

DCD

Note 7.8

Overshoot & Undershoot

VOS

Jitter

1.4

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

Note 7.10

Receiver Differential Squelch

Threshold

VDS

300

420

585

Table 7.4 I/O Buffer Characteristics (continued)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

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