ICS1889 Datasheet

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Integrated

Circuit

Systems, Inc.

ICS1889

100Base-FX Integrated PHYceiver

TM

General Description

The

ICS1889

is a fully integrated physical layer device

supporting 100 Megabits per second CSMA/CD Fast

Ethernet fiber optic applications. It is designed to support

the requirements of DTEs (adapter cards), repeaters and

switches. It is compliant with the ISO/IEC 8802 Fast

Ethernet standard for 100Base-FX. It provides a Media

Independent Interface (MII) allowing direct chip-to-chip

connection, motherboard-to-daughter board connection or

connection via a cable in a similar manner to the AUI

approach used with 10Base-Tsystems. A station

management interface is provided to receive command

information and send status information. It transmits and

receives NRZI data and interfaces directly to the optical

transceiver. It can operate in either half duplex or full

duplex.

Features

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One chip integrated physical layer

All CMOS, low power design

ISO/IEC 8802-3 CSMA/CD compliant

100Base-FX Half & Full Duplex

Far end fault detection

Media Independent Interface (MII)

Station management interface

Extended register set including QuickPoll

TM

detailed

status monitoring

Transmit clock synthesis

Receive clock and data recovery

Detailed receive error reporting

Extended Test Modes

52-pin MQFP package with 2.0 mil body thickness

Block Diagram

PHYceiver and QuickPoll are trademarks of Integrated Circuit Systems, Inc.

ICS1889RevF092497P

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