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April 27, 2021 12:00 UTC

Renesas Expands FemtoClock Timing Portfolio for High-Performance Communications and Data Center Applications

FemtoClock2 Family Simplifies Design with Industry’s Lowest Power and Smallest 75fs Jitter Clocks

TOKYO--(BUSINESS WIRE)-- Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, today expanded its timing solutions portfolio with a new sub-100fs point-of-use clock solution for data center, server, and network infrastructure markets. The new FemtoClock2 family includes ultra-low jitter clock generators and jitter attenuators in a small 4x4 mm2 package, enabling cost-effective and simple clock tree implementation for next-generation, high-speed interconnect designs.

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Smallest, lowest power 75fs jitter clocks simplify design (Graphic: Business Wire)

Smallest, lowest power 75fs jitter clocks simplify design (Graphic: Business Wire)

Featuring best-in-class jitter as low as 64fs RMS, FemtoClock2 enables customers to easily meet next-generation PAM4 requirements on new switch or router designs. With a 4x4 mm2 form factor, the FemtoClock2 family is less than one third the size of similar solutions on the market. This allows designers to place the clock source at the point of use – very close to the device receiving the clock signal – for streamlined PCB layout design, reduced cross talk, and cleaner signals. Flexibility makes the family useful in many applications. FemtoClock2 can be configured as a DCO, clock generator, or jitter attenuator, offering valuable design flexibility and reuse.

“PAM4 technology is enabling a major leap in data transmission rates in both communications and data center segments resulting in stringent requirement on the clock in such systems,” said Bobby Matinpour, Vice President of Timing Products, Data Center Business Division at Renesas. “Expanding our popular FemtoClock lineup, Renesas offers a new high-performance family that delivers superior jitter performance with low power in a small form factor, enabling placement of the clock anywhere on the board at the point of use. This greatly simplifies the design by eliminating the additive jitter associated with the extensive clock routing on the board.”

Key Features of the FemtoClock2 Family

  • As low as 64fs (typ) RMS jitter
  • Low power consumption of 600mW
  • 4x4 mm2 in 24- and 28-pin QFN packages
  • Single & dual input options with four differential outputs
  • Power supply noise rejection better than -80dB
  • Output-to-output isolation of -80dBc
  • Compliant with ITU-T G.8262 and G.8262.1 for enhanced synchronous Ethernet/OTN
  • Integrated crystal option for more space savings

Customers can combine the new FemtoClock2 solution with Renesas’ small, single-output, high-performance oscillators, or the broader ClockMatrix™ portfolio of timing solutions to address challenging timing needs for their high-performance server and network infrastructure designs. FemtoClock2 also works seamlessly with systems using the recently introduced PTP Clock Manager software for IEEE 1588 support, and can be combined with Renesas’ complementary power and microcontroller offerings to create comprehensive solutions for a variety of applications, such as the IEEE 1588 Winning Combination. FemtoClock2 also serves as the downstream clock capable of delivering 100fs at the pin without disrupting the synchronization.

As the market leader in silicon timing, Renesas offers the only “one-stop-shop” for timing solutions, offering expertise and products from full-featured system solutions to simple clock tree building-block devices.

Availability

The RC32504A and RC22504A FemtoClock solutions and an evaluation board are available now. For more information, please visit renesas.com/femtoclock2.

About Renesas Electronics Corporation

Renesas Electronics Corporation (TSE: 6723) delivers trusted embedded design innovation with complete semiconductor solutions that enable billions of connected, intelligent devices to enhance the way people work and live. A global leader in microcontrollers, analog, power, and SoC products, Renesas provides comprehensive solutions for a broad range of automotive, industrial, Infrastructure, and IoT applications that help shape a limitless future. Learn more at renesas.com. Follow us on LinkedIn, Facebook, Twitter, and YouTube.

(Remarks). ClockMatrix is a trademark of Renesas Electronics Corporation. All names of products or services mentioned in this press release are trademarks or registered trademarks of their respective owners.

Contacts

Americas
Don Parkman
Renesas Electronics Corporation
+ 1-408-887-4308
don.parkman.xh@renesas.com


Source: Renesas Electronics Corporation

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Smallest, lowest power 75fs jitter clocks simplify design (Graphic: Business Wire)

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