The
Linley Wire
Independent
Analysis of the Networking-Silicon Industry
Volume 5, Issue 22
December 9,
2005
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Editor: Linley
Gwennap
Contributors: Bob Wheeler, Jag
Bolaria, Joseph Byrne In
This Issue
Now available:
A Guide to Access Processors brings
you the newest developments in the VoP and Access NPU market.
Get up to speed on the products and vendors focused on chips
for the access infrastructure. For more information, or to order
this report, visit our web
site.
Ikanos
Improves VDSL2 Integration
This week, Ikanos announced samples of VDSL/VDSL2 chipsets for the optical network
unit (ONU) and for customer premises equipment (CPE). These chips are targeted
at multi-tenant and multi dwelling applications. In these applications, the ONU
terminates a fiber loop, typically using PON technologies, and transfers the
data to subscriber modems over copper media using VDSL2. This PON+DSL configuration
is being deployed in densely populated areas of Japan, Korea and other Asian
countries.
The new
Ikanos devices support the full 30MHz spectrum specified by
VDSL2 for a symmetric data rate of 100Mbps over a few hundred
meters. The ONU chip set, called the FX100100-4-EX, consists
of an 8-port data pump, a 4-port analog front end (AFE), and
a single port line driver. Compared to the company's earlier
FX product, the EX increases the integration on the data pump
and the AFE as well as reducing the power dissipation and extending
the distance between the ONU and the subscriber. The EX is
the highest-density VDSL2 chip set for equipment with eight
or more ports.
The FX100100S-4-EX
CPE product consists of single-chip data pump and AFE; only
an external line driver is needed to complete the solution.
This level of integration is second only to Infineon, which
offers a single-chip VDSL2 device with integrated line driver.
Both new
chip sets follow the functional partition used in Ikanos's
SmartLeap and CleverConnect devices, which the company is already
shipping. Consequently, existing Ikanos customers should have
a simple upgrade from these earlier 12MHz chip sets to the
new 30MHz chip sets. As the leading vendor of VDSL chips, Ikanos
is well positioned to establish a lead in VDSL2 devices. —Jag
Complete
coverage of Ikanos's VDSL and VDSL2 products appears in our
new report A Guide
to Next-Generation Broadband Interface Chips.
TranSwitch Acquires
Transceiver Supplier
Seeking physical-layer technology to complement its multi-gigabit
Layer 2 devices, TranSwitch has announced its intent to acquire
Mysticom, based in Israel. Mysticom has a line of 10-Gigabit Ethernet
transceivers (multi-channel retimers) in production. The transceivers
are designed specifically for optical modules (XENPAK, XPAK, X2)
and copper cable (10GBase-CX4). The chips can also be used as
backplane transceivers. TranSwitch's product portfolio includes multi-gigabit mappers and
switches. These chips include serdes technology that TranSwitch
has licensed. With the $15 million Mysticom acquisition, TranSwitch
will
be able to use in-house serdes designs and integrate the complete
PHY function in future 10-gigabit mappers and switches.
Mysticom
will operate as a wholly owned subsidiary and will continue to supply
intellectual property cores. Most of Mysticom's revenue
comes from licensing its Fast Ethernet PHY core to companies such
as IBM, Samsung, and TI. Mysticom is also signing licensees for
its Gigabit Ethernet copper PHY. TranSwitch will continue the
intellectual property business, but it is not seeking to expand
it beyond the
GigE
cores.
TranSwitch's impetus for the acquisition, however, is the acquisition
of a high-speed analog design center that will enable the company
to integrate 10-gigabit transceivers in future products. With
Mysticom, TranSwitch gets a design center that, while small,
has already commercialized
such transceivers and has a track record of providing PHYs for
integration with other functions. —Joe
Complete
coverage of Mysticom appears in our report A
Guide to High-Speed Interconnects.
News in Brief
Fulcrum
Microsystems has announced a family of 10Gbps
Ethernet switches called FocalPoint. The first two members of
the family are a switch
for 24 ports of up to 10Gbps and a switch for 8 ports of 10Gbps plus
16 ports of 2.5Gbps or 1Gbps. Fulcrum uses its asynchronous technology
to reduce switch latency, compared with traditional Ethernet switches.
The switches can be used in ATCA platforms, storage systems, and data
centers. Although Fulcrum uses pause frames for flow control, it may
need to develop congestion management for lossless switching. With
FocalPoint, Fulcrum is one of the first vendors to develop dense,
scalable, and low latency 10Gbps Ethernet switches. —Jag
New
Seminar:
CPU Cores and Intellectual Property for Networking
On January 25, The Linley Group will host the first seminar
of its Linley Tech 2006 series. This one-day event will
focus on CPU cores and other licensable intellectual
property (IP) and is intended for designers of ASICs and
SoCs (systems
on a chip). Leading IP vendors will explain how their
technology can be used to in networking and communications
applications. Get the information you need to jumpstart
your design! Attendance is free to qualified attendees;
others pay $495.
This seminar
will be held in San Jose at the Doubletree
Hotel. Mark your calendars and register now at our web
site. Your free attendance is made possible
by our event sponsors:
Freescale, Tensilica, ARC International, and SafeNet.
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