FALXT972MCCA4 datasheet(62/92 Pages) INTEL

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Intel

® LXT972M Single-Port 10/100 Mbps PHY Transceiver

Datasheet

Document Number: 302875-005

Revision Date: 27-Oct-2005

Table 23 lists digital I/O characteristics for all pins except the MII, XI/XO, and LED/CFG pins.

Table 24 lists digital I/O characteristics for the MII pins.

Table 23. Digital I/O Characteristics (Except for MII, XI/XO, and LED/CFG Pins)

Parameter

Sym

Min

Typ2

Max

Units

Test Conditions

Input Low voltage

VIL

––

0.8

–

Input High voltage

VIH

2.0

–

Input current

-10

–

μA

0.0 < VI < VCC

Output Low voltage

VOL

––

0.4

IOL = 4 mA

Output High voltage

VOH

2.4

–

IOH = -4 mA

1. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production

testing.

Table 24. Digital I/O Characteristics1 - MII Pins

Parameter

Sym

Min

Typ2

Max

Units

Test Conditions

Input Low voltage

VIL

––

0.8

–

Input High voltage

VIH

2.0

–

Input current

-10

–

μA0.0 < VI < VCCIO

Output Low voltage

VOL

––

0.4

IOL = 4 mA

Output High voltage

VOH

2.2

–

IOH = -4 mA, VCCIO = 3.3 V

VOH

2.0

–

IOH = -4 mA, VCCIO = 2.5 V

Driver output resistance

(Line driver output

enabled)

RO3

–

100

–

VCCIO = 2.5 V

RO3

–

100

–

VCCIO = 3.3 V

1. MII digital I/O pins are tolerant to 5 V inputs.

2. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production

testing.

3. Parameter is guaranteed by design and not subject to production testing.

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