Compact, low noise oscillators perform for data centres

The ProXO+ family of compact, low noise, temperature-controlled clock oscillators from Renesas are high frequency, differential oscillators suited to fibre optic transceiver modules, accelerator cards, smart NIC cards, and networking equipment applications.

“The ProXO+ family delivers on all counts, offering tight frequency stability, great jitter performance, and high output frequency, which are critical features for communications, cloud and compute markets,” said Bobby Matinpour, vice president of timing products at Renesas. The level of programmability also enables the use of a single device for numerous designs, simplifying the bill of materials (BoM), sourcing and inventory management, he added.

The oscillators have a frequency stability ±3 parts per million (ppm) from -40 to +85 degrees C and programmable frequencies up to 2.1GHz. They exhibit 135fs typical phase jitter at 12kHz to 20MHz range.

The ProXO+ devices are available now for order in an eight-pin plastic package measuring 3.2 x 2.5mm.

Renesas also announced two industry-standard plastic packages for its existing ProXO XF 2.5 x 2.0mm oscillators. They are now also available in 3.2 x 2.5mm and 5.0 x 3.2mm packages.

The ProXO+ family can be combined with Renesas’ complementary clock buffers, power devices and microcontrollers, such as the Xilinx Kintex-7 Power and Timing, the CC-Link IE TSN, and the System on Module (SoM) with RZ/G2E. Renesas’

Renesas claims to provide the industry’s broadest timing portfolio to support the complete clock tree. It describes itself as a “one-stop-shop” for timing solutions, offering expertise and products from full-featured system solutions to simple clock tree building-block devices.

Renesas Electronics delivers embedded design innovation with complete semiconductor solutions that enable billions of connected, intelligent devices. Its portfolio of microcontrollers, analogue, power, and SoC products is available for a broad range of automotive, industrial, Infrastructure, and IoT applications.

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