bcm8422 Broadcom Corp., bcm8422 Datasheet

bcm8422

Manufacturer Part Number

bcm8422

Description

4-channel 1/2/4g Fibre Channel Intelligent Loop Circuit/ Dual Retimer/repeater With Eyeopener-r - Broadcom Corporation.

Manufacturer

Broadcom Corp.

Datasheet

1.BCM8422.pdf (2 pages)

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Host 2

Host 1

4-channel loop circuit to configure fibre channel hard

disk drives in FC-AL configurations

Dual-channel retimer/repeater with EyeOpener

exceeding fibre channel signalling specifications

Multi-rate support for new and legacy systems

Active Signal Integrity (Active-SI) monitors physical

layer and Active Link Integrity (Active-LI) monitors

link-layer performance

Programmable transmit output levels and receive LOS

detection

High-performance receive equalization and

programmable transmit pre-emphasis

Per channel link LED drivers for valid fibre channel

frames and speed detection

Developed using advanced 0.13u CMOS process

technology

4-CHANNEL 1/2/4G FIBRE CHANNEL INTELLIGENT LOOP CIRCUIT/

DUAL RETIMER/REPEATER WITH EYEOPENER®

F E A T U R E S

4-Channel Loop

BCM8422

Circuit

BCM8422 Diagram

Loop 1

Loop 2

RDN/P0

RDN/P1

RDN/P2

RDN/P3

•

BCM8422

Low-cost back end solution for fibre channel disk drive

arrays

Guarantees jitter and bit-error-rate performance on

optical and fiber links

Supports legacy 1.0625G and 2.125G applications and

new 4.25G data rates off a single reference clock

frequency

On-chip intelligent diagnostics provides insight to the

signal quality with detection and recovery mechanisms

on each high-speed link

Optimizes channel performance for lower power and

signal detection through on-chip 2-wire control

interface

Transmits and receives over long distances of copper

cables or backplanes with 16 levels of programmable

pre-emphasis

Provides visual indications on PCBs for link status and

1.0625G, 2.125G, or 4.25G data rate transmissions

Low power design of ~1.5W with small footprint

package in a 13 mm x 13 mm BGA, with 1 mm ball pitch

S U M M A R Y O F B E N E F I T S

Opener Mode

BCM8422

Dual Eye-

TDN/P0

TDN/P1

TDN/P2

TDN/P3

Related parts for bcm8422

bcm8422 Summary of contents

Page 1

... Provides visual indications on PCBs for link status and 1.0625G, 2.125G, or 4.25G data rate transmissions • Low power design of ~1.5W with small footprint package BGA, with 1 mm ball pitch BCM8422 Diagram RDN/P0 Loop 1 RDN/P1 RDN/P2 RDN/P3 Loop 2 TDN/P0 ...

Page 2

... Data from each port can be optionally retimed utilizing an elastic FIFO and local crystal reference clock eliminating jitter transfer. The BCM8422 can also be configured to operate in repeater mode for low latency. The BCM8422 is available BGA package. ® are trademarks of Broadcom Corporation and/ O2 ...

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