SiTime Enables 5G Vision of Zero Downtime with 10 Times Higher Reliability
August 04 2020 - 4:05PM
Business Wire
MEMS Clock-System-on-a-Chip Reshapes $1 Billion
Silicon Clocks Market
SiTime Corporation (NASDAQ: SITM), a market leader in MEMS
timing, today announced the Cascade™ family of MEMS clock ICs for
5G, wireline telecom and datacenter infrastructure. This
clock-system-on-a-chip (ClkSoC™) family, the SiT9514x, consists of
clock generators, jitter cleaners, and network synchronizers that
deliver multiple clock signals in a system. This clock family uses
SiTime’s recently launched third-generation MEMS resonators that
deliver higher performance with lower power.
Communications and enterprise electronics have previously used
clock ICs with external quartz references to integrate multiple
timing functions and to distribute clock signals. SiTime’s new,
all-silicon clock architecture provides more integration by
integrating a MEMS resonator reference inside the package. More
importantly, with SiTime’s proven MEMS technology, the Cascade
clock-system-on-a-chip delivers up to 10 times higher reliability
and resilience, enabling the 5G vision of zero downtime. Either
standalone or together with SiTime’s MEMS TCXOs and OCXOs, the
SiT9514x delivers a complete timing solution for applications such
as 5G RRUs, small cells, edge computers, switches, and routers.
“SiTime continues to expand our focus on the
communications-enterprise market for many reasons. Our MEMS
technology is well suited to solve the difficult timing challenges
of emerging 5G infrastructure. This represents a large growth
opportunity for SiTime that is complemented by production usage for
many years,” said Rajesh Vashist, CEO of SiTime. “Today, our Elite
Platform™ Super-TCXOs™ and Emerald™ OCXOs have multiple design wins
in this market. We are expanding our strong foothold with the
introduction of the Cascade family. Not only is this a natural next
step for our timing business, but it also brings us closer to the
customer as we work together to define their clock tree. In fact,
Cascade devices offer a complete clock-system-on-a-chip, which
allows our customers to simplify their designs and reduce time to
market. As the only provider of MEMS resonators, oscillators, and
clock ICs, and delivering system-level benefits to customers,
SiTime continues to transform the $8 billion timing market.”
5G is expected to deliver 10 times faster speeds and 10,000
times more data, with 50 times lower latency and zero downtime. To
make this vision a reality, 10 to 30 times more devices will be
deployed, many of them in uncontrolled environments close to the
consumer. Each of these connectivity gains is dependent on the
accuracy, resilience and reliability of the timing heartbeat of the
system. Silicon MEMS timing technology inherently provides better
reliability and resilience which is critical to support the quality
of service planned for 5G.
Benefits of SiTime’s Complete Clock-System-on-a-Chip
- Integrated MEMS resonator eliminates issues with quartz such as
capacitive mismatch, activity dips, susceptibility to shock,
vibration, and EMI
- Four independent PLLs, with maximum flexibility to support time
synchronization applications where multiple independent clock
domains are required
- Up to 11 outputs with an operating frequency range of 8 kHz to
2.1 GHz, as well as a 1 PPS (pulse per second) output, for maximum
frequency agility
- Programmable PLL loop bandwidth down to 1 milli-Hz for maximum
filtering of wander or network noise in IEEE 1588 and synchronous
Ethernet
- Fail-safe operation in case of input clock failures through
faster hitless switching between four independent inputs. In such a
situation, the device automatically switches to different input
clock sources with minimum phase transient at the output, allowing
the downstream PLL to remain locked, and the system to continue to
operate reliably
- Excellent PSNR for highest performance in the presence of power
supply noise
- Minimal external filtering circuits for simpler design, space
savings, and BOM reduction
- Rich programmable features and configuration options: (1) Blank
ISP (in-system programmable) devices provide maximum flexibility;
(2) Pre-programmed devices enable system boot up without software
configuration for maximum simplicity
- EVBs and TimeMaster™ software enable users to map clock
configurations and generate the scripts for software integration,
which speeds development
Availability The SiT9514x clock-system-on-a-chip family
is sampling now. High volume production quantities will be
available in Q4 2020. For more information, see Jitter Cleaners /
Networking Synchronizers and Clock Generators.
Cascade SiT9514x images: Cascade Platform image 1; Cascade
Platform image 2
About SiTime SiTime Corporation is a market leader in
silicon MEMS timing. Our programmable solutions offer a rich
feature set that enables customers to differentiate their products
with high performance, small size, low power, and high reliability.
With over 1.5 billion devices shipped, SiTime is changing the
timing industry.
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Media Contact: Green Flash Media for SiTime Jeremy Hyatt
pr@gflashmedia.com
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