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Data Sheet

July 2000

LU6612

FASTCAT

TM

Single-FET

for 10Base-T/100Base-TX

Features

10 Mbits/s Transceiver

s

General

s

Compatible with

IEEE

* 802.3u 10Base-T standard

for twisted-pair cable

Autopolarity detection and correction

s

Autonegotiation (IEEE 802.3u clause 28):

鈥?Fast link pulse (FLP) burst generator

鈥?Arbitration function

鈥?Accepts preamble suppression

鈥?Operates up to 12.5 MHz

Supports the station management protocol and

frame format (clause 22):

鈥?Basic and extended registers

鈥?Supports next-page function

鈥?Accepts preamble suppression

鈥?Operates up to 12.5 MHz

Supports the following management functions via

pins if station management is unavailable:

鈥?Speed select

鈥?Encoder/decoder bypass

鈥?Scrambler/descrambler bypass

鈥?Full duplex

鈥?Autonegotiation

Supports half- and full-duplex operations

Provides four status signals: receive/transmit activ-

ity, full duplex, link integrity, and speed indication

Powerdown mode for 10 Mbits/s and 100 Mbits/s

operation

Loopback for 10 Mbits/s and 100 Mbits/s operation

0.35

碌m

low-power CMOS technology

64-pin TQFP

Single 5 V power supply

s

s

Adjustable squelch level for extended wire line

length capability (2 levels)

Interfaces with

IEEE

802.3u media independent

interface (MII)

On-chip filtering eliminates the need for external fil-

ters

Half- and full-duplex operations

s

s

s

s

100 Mbits/s Transceiver

s

Compatible with

IEEE

802.3u MII (clause 22), PCS

(clause 23), PMA (clause 24), autonegotiation

(clause 28), and PMD (clause 25) specifications

Scrambler/descrambler bypass

Encoder/decoder bypass

3-statable MII in 100 Mbits/s mode

Selectable carrier sense signal generation (CRS

asserted during either transmission or reception in

half duplex, CRS asserted during reception only in

full duplex)

Selectable MII or 5-bit code group interface

Half- or full-duplex operations

On-chip filtering and adaptive equalization that

eliminates the need for external filters

s

s

s

s

s

s

s

s

s

s

s

s

s

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*

IEEE

is a registered trademark of The Institute of Electrical and Electronics Engineers, Inc.

Note: Advisories are issued as needed to update product information. When using this data sheet for design purposes, please contact

your Lucent Technologies Microelectronics Group Account Manager to obtain the latest advisory on this product.

next

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