LXT971ABC Intel Corporation, LXT971ABC Datasheet

LXT971ABC

Manufacturer Part Number

LXT971ABC

Description

Dual-speed 3.3V 10/100 ethernet transceiver

Manufacturer

Intel Corporation

Datasheet

1.LXT971ABC.pdf (2 pages)

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Intel

Internet Exchange

Architecture

Intel

Dual-speed 3.3V 10/100 Ethernet Transceiver

With Intel

LED/CFG<3:1>

Product Description

High-performance network applications that

demand lower power are growing rapidly in

today’s marketplace. Intel, a leading provider of

Ethernet silicon solutions, has enhanced the

commitment to its Ethernet product family with

its latest 10/100 Fast Ethernet transceiver. The

Intel

single-port PHY with significantly expanded

Cable Discharge Event (CDE) protection.

Intel’s Optimal Signal Processing (OSP)

architecture, an ideal combination of digital

signal processing and analog design techniques

designed for die size, power consumption,

performance, reliability, and testability.

Applications

Low-power, dual-speed network applications

for the LXT971A transceiver include: network

interface cards (NICs), PCMCIA cards, cable

modems, set-top boxes and IP phones.

supply interface for additional power savings.

For 100BASE-FX fiber networks, the LXT971A

is designed with a pseudo-ECL (PECL) interface

for seamless integration with common industry-

standard fiber modules.

Innovative Packaging

Intel delivers the LXT971A in a 7mm x 7mm

plastic ball grid array (PBGA) packaging. This

revolutionary package helps save board space

and is available in the popular industrial

temperature range that is ideal for network

applications in extreme thermal environments.

For flexibility in very low-power applications, the

ADDR<4:0>

Revolutionary design techniques incorporate

The LXT971A includes an MII with extended

TXD<4:0>

RDX<4:0>

RX_CLK

TX_CLK

RESET

MDINT

MDDIS

RX_ER

TX_EN

TX_ER

MDIO

RXDV

MDC

COL

CRS

LXT971A is a next-generation low-power,

Collision

Detect

Management/

Mode Select

LXT971A

Carrier Class Ethernet Support

Logic

Error Detect

Data Valid

Carrier

Sense

Set

Parallel/Serial

Converter

Serial to

Parallel

Negotiation

Generator

LXT971A Block Diagram

Clock

Auto

100

Manchester

Scrambler

& Encoder

Encoder

Unscrambler

Manchester

Decoder &

Dencoder

100

Shaper

Generator

Pulse

Slicer

OSP

Clock

Select

OSP

Media

LXT971A offers a Sleep mode in addition to

two Power Down modes. When the LXT971A

detects an absence of energy on the twisted-

pair input, it minimizes power consumption by

shutting down the transmitter and placing the

receiver in low-power mode.

Intel Carrier Class Ethernet

Many networking and telecom applications

require high-performance Ethernet

components capable of operating under harsh

environmental conditions. Intel

Ethernet products support operation over the

entire extended temperature range while

providing features that increase reliability. Each

device has an operation lifetime of at least 10

years with less than 100 failures per billion

hours. All Intel Carrier Class Ethernet devices

will be available a minimum of 5 years from

product introduction.

portfolio includes solutions for Ethernet

physical layer, switching and repeater

technologies at a variety of speeds. Intel

Carrier Class Ethernet products are ideal for

applications where equipment must function

reliably in uncontrolled environmental

conditions such as base stations,

telecom/network switches, factory floor

equipment, and industrial computers.

The Intel Carrier Class Ethernet product

Driver

ECL

Slicer

OSP

–

Supply

Power

100TX

100FX

10BT

product brief

–

JTAG

Fiber

TP/

Out

TP/

Carrier Class

VGC

GND

PWRDWN

REFCLK

TxSLEW<1:0>

TPFOP

TPFON

TDI

TDO

TMS

TCK

TRST

TPFIP

TPFIN

SD/TP

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LXT971ABC Summary of contents

Page 1

Intel Dual-speed 3.3V 10/100 Ethernet Transceiver With Intel Product Description High-performance network applications that demand lower power are growing rapidly in today’s marketplace. Intel, a leading provider of Ethernet silicon solutions, has enhanced the commitment to its Ethernet product family ...

Page 2

... UNITED STATES AND CANADA Intel Corporation Robert Noyce Building 2200 Mission College Blvd. P.O. Box 58119 Santa Clara, CA 95052-8119 USA Copyright © 2001 Intel Corporation Benefits Helps lower power consumption Provides small-profile packaging Enables industrial applications Helps minimize power consumption Complies with industry standards – ...

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