Semtech-Gennum Products Optical & Copper Portfolio:
tIAs
RoSAs
SINGle-lANe cdRs
duAl-lANe cdRs
MultI-lANe SIGNAl coNdItIoNeRS
lASeR dRIveRS
lIMItING AMPlIfIeRS
tRANSceIveRS
cRoSSPoINt SwItcheS
oPtIcAl RefeReNce deSIGN KItS
coPPeR RefeReNce deSIGN KItS
o pt i c a l & i c p ro d u c ts f or h igh -sp e e d c o mm u n ic at ions
S P R IN G - 2 0 1 2 PRod u ct G uIde
High Performance
contents
Overview
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Gennum Product Solutions 3
Emerging Technology
Optical Applications
Copper Applications
TIAs
ROSAs
Single-Lane CDRs
Dual-Lane CDRs
Multi-Lane Signal
Conditioners
Laser Drivers and
Limiting Amplifiers
Transceiver IC’s
Optical Module
Reference Design Kits
CDR-based Copper
Cable Assembly
Reference Design Kits
Crosspoint Switches
Portfolio Summary
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Optical and
Copper Products
Semtech-Gennum Products design the industry’s most innovative optical,
analog and mixed signal semiconductor solutions to serve the rising global
demand for high-speed data transmission products—robust solutions that
improve performance and reliability, simplify design, lower system costs
and speed time to market.
With the acquisition of Gennum and Nanotech, Semtech now offers one
of the industry’s most comprehensive portfolios of optical transceiver IC
products ranging from 100Mb/s-100Gb/s supporting such key industry
standards such as Fibre Channel, InfiniBand®, Ethernet, PON, SONET and
PCI Express®.
For optical component suppliers, this highly differentiated set of products
gives a unique roadmap that improves performance and reliability,
simplifies design, lowers costs and speeds time to market.
For systems designers and manufacturers working on the next generation
of high-speed networks, Gennum Products’ multi-lane and multi-rate
10Gb/s-100Gb/s backplane solutions provide cost-effective low power,
high performance ways to enable next-generation networks.
Semtech-Gennum Products is also an active contributor in networking
standards development. Combine that with the fact that we’ve shipped
over 63 million Optical IC’s, and you get a feel for the sort of real-world
experience in networking complexities and solution delivery we can bring
to your designs.
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Spring 2012 Guide • Optical and IC Gennum Products for High-Speed Communications
enabling high performance, high-speed:
• Receive Optical Sub-Assembly (ROSA) based on Gennum Products’ Rchip technology
• Full portfolio of integrated solutions to address all SFP+ and XFP link types
• Dual lane signal conditioners with integrated DML or EML driver
• Low power, reference-free CDRs
• Limiting amplifiers (LA) which provide wideband, low noise post-amplification
• Transimpedence amplifiers (TIAs) that exceed the IEEE 10GbE Stressed Receiver Sensitivity (SRS) specifications
• High performance, low power laser drivers
• Full portfolio of integrated solutions for all PON applications including complete reference designs
• Industry’s first single-chip 10G PON transceivers for symmetric and asymmetric applications
• Industry’s first quad 10 Gb/s CDR, enabling long reach Infiniband® QDR, 40 GbE and 100 GbE applications
• Protocol-independent repeaters/redrivers
• SFP+ reference design kits for optical module and copper cable assemblies to decrease design time
let’s Build the future together
As networking requirements continue to evolve, so will we, working with you to provide solutions for tomorrow’s
networking challenges. One thing that won’t change, however, is Gennum Products’ commitment to being a reliable
partner, providing innovative approaches that deliver unrivaled performance to your latest products.
www.semtech.com
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Semtech-Gennum Products Solutions
Technology Leadership for the
Future of Optical Communications
techNoloGIeS
MARKetS
cdRs
Market leader in CDRs
Integrated solutions
PoN/ftth SolutIoNS
Highly integrated chipset solutions for EPON & GPON ONU/OLT
Industry’s first fully integrated 10G PON ONU solutions, now in
pre-production
Complete reference designs for EPON, GPON, 10G EPON and
XG-PON available
RoSAs
Best-in-class sensitivity, based on our patented Rchip
technology
tIAs
Proven reliability, with over 44 million sold
16G fIbRe chANNel
Industry’s first complete integrated IC solution for 16G Fibre
Channel SFP+
lASeR dRIveRS & lIMItING AMPS
Only integrated solution among industry leaders
40G – 100G etheRNet
R&D efforts clearly focused on the future with products in
development
cRoSSPoINtS
Extensive portfolio including world’s biggest and fastest
crosspoints
uP to 10G
Continuing to invest and develop products
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Spring 2012 Guide • Optical and IC Gennum Products for High-Speed Communications
Semtech-Gennum Products
Emerging Technology
25-28Gb/s Reference-Free CDRs
High Performance Reference-Free CDRs for Next-Generation 100Gb/s Networks
The GN2425 and GN2426 are Gennum Products’ new clock
and data recovery (CDR) retimers designed to support the
implementation of 100Gb Ethernet optical modules. They
are designed to handle 25Gb/s data streams within next-
generation 100Gb/s pluggable fiber-optic modules, line cards
and direct-attach copper/optical cables.
feAtuReS
GN2425
Provides excellent output jitter performance for optimal
interfacing to laser drivers, or directly driving over a copper
cable.
GN2426
• Enable OIF CEI-28G-VSR retimed interfaces by
compensating for losses in the data transmission and
resetting the jitter budget
• Optimized for best jitter performance
• Designed specifically for the next-generation 100GbE
CFP2 module form-factor
• Allow for the serializer and deserializer to be positioned
outside of the CFP2 module enabling a simpler, lower
power and lower cost solution
• Enable higher module density and faster serial bit rates
APPlIcAtIoNS
In the receive chain, the GN2426 removes jitter from the
recovered optical signal, providing ample margin for line
card receivers to recover the high-speed data stream from
the module.
GN2425
Data Rate
(Gb/s)
Input Stage
24.8 to
28.3
Equalizer
GN2426
24.8 to
28.3
Limiting
Amp
• Fiber-optic modules
• Chip-to-module links
• Direct-attach copper/optical cables
• Line cards
www.semtech.com
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