bcm8421 Broadcom Corp., bcm8421 Datasheet
bcm8421
Manufacturer Part Number
bcm8421
Description
Intelligent 1/2/4g Fibre Channel Retimer/repeater With Eyeopener
Manufacturer
Broadcom Corp.
Datasheet
1.BCM8421.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
bcm8421KFB
Manufacturer:
BROADCOM
Quantity:
163
INTELLIGENT 1/2/4G FIBRE CHANNEL RETIMER/REPEATER WITH EYEOPENER
•
•
•
•
•
•
•
Dual EyeOpener
intercabinet jitter specifications
Multirate 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 0.13μ CMOS process technology
®
exceeding Fibre Channel optical and
F E A T U R E S
®
20-Port
Switch
FC
Functional Block Diagram
BCM8421
E y e Opener
E y e Opener
E y e Opener
Intelligent
Intelligent
Intelligent
•
•
•
•
•
•
•
Guarantees jitter and bit-error-rate performance on optical
and fiber links
Supports legacy 1.0625-GbE and 2.125-GbE applications and
new 4.25-GbE 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
1.0625-GbE, 2.125-GbE, or 4.25-GbE data rate transmissions
Low power design of ~1W 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
SFP
SFP
SFP
®
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bcm8421 Summary of contents
Page 1
... 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 0.13μ CMOS process technology BCM8421 • • • • • • • Functional Block Diagram ...
Page 2
... Logic Control 2-Wire Serial Interface BCM8421 Block Diagram The BCM8421 also features Active- LI, which is a set of advanced link integrity functions performing data generation and checking transmitted Fibre Channel data. The combination of Active-SI and Active-LI improves storage system’s reliability, availability, and serviceability (RAS) with the ability to monitor and diagnose system integrity ...