Silicon Labs Introduces High-Performance Oscillators for Cloud Computing

  Silicon Labs Introduces High-Performance Oscillators for Cloud Computing

Si535/536 Differential Crystal Oscillators Meet Ultra-Low Jitter Requirements
            of Data Center Switches, Routers and Storage Equipment

Business Wire

AUSTIN, Texas -- May 29, 2013

Silicon Labs (NASDAQ: SLAB), a leader in high-performance, analog-intensive,
mixed-signal ICs, today introduced a new family of crystal oscillators (XOs)
that provide ultra-low jitter reference timing for 10G, 40G and 100G cloud
computing and networking equipment. These new Si535 and Si536 XOs leverage
Silicon Labs’ proven DSPLL® technology to provide unparalleled performance,
stability and flexibility for 10/40G data center core/access switches, storage
area networking equipment, security routers, enterprise switches/routers, and
Carrier Ethernet switches and routers.

To support the burgeoning demand for cloud computing-based services, data
center equipment is migrating to higher speed serial data transmission, often
10G or faster. In parallel, there is a significant trend to maximize energy
efficiency by consolidating switching, storage and computing resources into
fewer components. These trends have given rise to processors, Ethernet switch
ICs and FPGAs with integrated high-speed serializer-deserializer (SerDes)
technology that requires low-jitter timing references. Silicon Labs’ Si535/536
oscillators provide the ultra-low jitter and ±20 ppm stability required by
state-of-the-art cloud computing and networking infrastructure equipment.

The Si535/536 XOs offer exceptional jitter performance of <200 femtoseconds
(fs) RMS jitter (integrated from 10 kHz to 1 MHz) for common Ethernet and
Fibre Channel reference frequencies. The Si535/536 oscillators support LVDS
and LVPECL output formats at 2.5 V and 3.3 V and offer both ±20 ppm and 31.5
ppm total stability, simplifying interfacing to a wide variety of processors,
switches, PHYs and FPGAs. When combined with Silicon Labs’ Si533xx
differential clock buffers, the Si535/536 XOs provide low-jitter clock
generation and distribution for SoCs requiring multiple high-performance
reference clocks.

The Si535/536 oscillators use Silicon Labs’ patented DSPLL technology to
provide a low-jitter clock at high-speed differential frequencies. Unlike a
traditional XO in which a different crystal is required for each output
frequency, the Si535/536 XOs use a common fixed-frequency crystal to provide
exceptional stability and reliability and leverage the DSPLL IC to generate
any output frequency. In addition, DSPLL clock synthesis provides superior
supply noise rejection, simplifying the task of generating low-jitter clocks
in noisy environments typically found in data center and networking systems.

Oscillators based on DSPLL technology can be supplied at any output frequency
without cutting and tuning a unique 3rd overtone (OT) crystal or surface
acoustic wave (SAW) device, as required by competing low-jitter XOs. Silicon
Labs’ mixed-signal IC-based approach also enables simplified factory
programming at time of shipment, eliminating long lead times associated with
custom oscillators. Si535/536 XO samples ship in two weeks, the shortest lead
time in the high-performance frequency control industry.

“Cloud computing switches, routers and storage equipment are moving to higher
speed serial data links, increasing the necessity for high-performance
timing,” said Mike Petrowski, vice president and general manager of Silicon
Labs’ timing products. “We combine unparalleled performance, simple device
customization and a highly efficient manufacturing flow to deliver both
standard and custom any-frequency XOs with short, reliable lead times,
streamlining product design cycles and eliminating supply chain headaches.”

Pricing and Availability

Samples and production quantities of the Si535/536 low-jitter oscillators are
available now. Product pricing for the Si535/536 XOs in 10,000-unit quantities
ranges from $8.24 to $11.35 (USD), depending on frequency and stability
options. The Si5XX-EVB evaluation board, priced at $75 (USD MSRP), is
available for device evaluation. For more information about the Si535/536
low-jitter oscillators or to order samples, please visit

Silicon Labs

Silicon Labs is an industry leader in the innovation of high-performance,
analog-intensive, mixed-signal ICs. Developed by a world-class engineering
team with unsurpassed expertise in mixed-signal design, Silicon Labs’ diverse
portfolio of patented semiconductor solutions offers customers significant
advantages in performance, size and power consumption. For more information
about Silicon Labs, please visit

Cautionary Language

This press release may contain forward-looking statements based on Silicon
Labs’ current expectations. These forward-looking statements involve risks and
uncertainties. A number of important factors could cause actual results to
differ materially from those in the forward-looking statements. For a
discussion of factors that could impact Silicon Labs’ financial results and
cause actual results to differ materially from those in the forward-looking
statements, please refer to Silicon Labs’ filings with the SEC. Silicon Labs
disclaims any intention or obligation to update or revise any forward-looking
statements, whether as a result of new information, future events or

Note to editors: Silicon Laboratories, Silicon Labs, the “S” symbol, the
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Silicon Labs
Dale Weisman, +1-512-532-5871
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