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HFBR-4663

Single Chip 10BASE-FL Transceiver

HP => Agilent Technologies 

Single Chip 10BASE-FL

Transceiver

Technical Data

HFBR-4663

General Description

The HFBR-4663 Single Chip

10BASE-FL Transceiver is a

highly integrated circuit for IEEE

802.3 10Base-FL transceivers.

This product, when used with

HP’s fiber-optic transmitters and

receivers (HFBR-14X4 and

HFBR-2416), ensures

compliance to the 10Base-FL

Standard with a minimum

number of external components

and board space.

The HFBR-4663 offers a standard

IEEE 802.3 AU interface that

allows it to be directly connected

to industry standard manchester

encoder/decoder chips or an AUI

connector. The fiber-optic LED

driver offers a current drive

output that directly drives the

HFBR-14X4 transmitter. The data

quantizer section of the HFBR-

4663 is directly compatible with

the output of the HFBR-24X6

fiber-optic receiver and is capable

of accepting input signals as low

as 2 mVp-p with a 55 dB dynamic

range.

The transmitter automatically

inserts 1 MHz signal during idle

time and removes this signal on

reception. Low light is continu-

ously monitored for both activity

as well as power level. Five LED

status indicators monitor error

conditions as well as transmis-

sions, receptions, and collisions.

Features

• Single Chip Solution for

10BASE-FL Internal or

External Medium

Attachment Units (MAUs)

• Specifically Designed for Use

with HFBR-14X4 and HFBR-

24X6 Fiber-optic

Transmitters and Receivers

• Incorporates an AU Interface

• Highly Stable Data Quantizer

with 55 dB Input Dynamic

Range

• Input Sensitivity as Low

as 2 mVP-P

• Current Driven Fiber Optic

LED Driver for Accurate

Launch Power

• Single +5 Volt Supply

• No Crystal or Clock

Required

• Five Network Status LED

Outputs

• Available in 28 Pin PCC

Package

• Semi-Standard Option

Available

CAUTION: The small junction sizes inherent to the design of this component increase the component's suscepti-

bility to damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken in

handling and assembly of this component to prevent damage and/or degradation which may be induced by

ESD.

5965-8597E (5/97)

77

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