MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology in a Small Footprint

Datasheet

Table 7.10

Internal Pull-Up / Pull-Down Configurations

 

 

NAME

PULL-UP OR PULL-DOWN

 

 

nINT/TXER/TXD4

Pull-up

 

 

TXEN

Pull-down

 

 

RXD0/MODE0

Pull-up

 

 

RXD1/MODE1

Pull-up

 

 

RXD2/RMIISEL

Pull-down

 

 

RXD3/PHYAD2

Pull-down

 

 

RXER/RXD4/PHYAD0

Pull-down

 

 

RXCLK/PHYAD1

Pull-down

 

 

COL/CRS_DV/MODE2

Pull-up

 

 

CRS

Pull-down

 

 

LED1/REGOFF

Pull-down

 

 

LED2/nINTSEL

Pull-up

 

 

MDIO

Pull-up

 

 

nRST

Pull-up

 

 

Table 7.11 100Base-TX Transceiver Characteristics

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

 

 

 

 

 

 

 

Peak Differential Output Voltage High

VPPH

950

-

1050

mVpk

Note 7.4

Peak Differential Output Voltage Low

VPPL

-950

-

-1050

mVpk

Note 7.4

Signal Amplitude Symmetry

VSS

98

-

102

%

Note 7.4

Signal Rise & Fall Time

TRF

3.0

-

5.0

nS

Note 7.4

Rise & Fall Time Symmetry

TRFS

-

-

0.5

nS

Note 7.4

Duty Cycle Distortion

DCD

35

50

65

%

Note 7.5

Overshoot & Undershoot

VOS

-

-

5

%

 

Jitter

 

 

 

1.4

nS

Note 7.6

 

 

 

 

 

 

 

Note 7.4 Measured at the line side of the transformer, line replaced by 100Ω (± 1%) resistor. Note 7.5 Offset from 16 nS pulse width at 50% of pulse peak

Note 7.6 Measured differentially.

SMSC LAN8710/LAN8710i

71

Revision 1.0 (04-15-09)

 

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