GLOBALFOUNDRIES and Racyics GmbH Demonstrate Ultra-Low-Power Microcontroller for the Internet of Things

Santa Clara, Calif. and Dresden, Germany, Oct. 10, 2019 (GLOBE NEWSWIRE) -- A major limiting factor in the growth of Internet of Things (IoT) applications is the amount of power consumed by the edge devices used in IoT networks, and as a result, there is an urgent need to find ways to use far less power to operate them. Tomorrow, GLOBALFOUNDRIES® (GF®), the world’s leading specialty foundry, and Racyics GmbH will unveil a major breakthrough in the race to build more power-efficient IoT devices: record-breaking ultra-low-power operation of a commonly used microcontroller core for mixed-signal IoT applications, built on GF’s 22FDX® platform.

At GF’s annual Global Technology Conference (GTC) in Munich, the companies will demonstrate a 22FDX-based 100MHz Arm® Cortex®-M4F microcontroller test chip with 84kB of SRAM, which demonstrated an ultra-high energy-efficiency of 6.88 µW/MHz. Key to this outstanding performance is the adaptive body bias (ABB) tunability inherent to 22FDX, along with Racyics’ circuit design approach which maximizes its advantages.

The 22FDX platform with ABB capability enables designers to create circuits where transistor threshold voltage can be tuned, or optimized, to match an application’s requirements for energy efficiency, performance, area, reliability, or any combination. Leveraging this capability, Racyics offers a design IP called ABBX that enables the creation of circuits with reliable, predictable ultra-low voltage operation ​down to 0.4V. This is done by holistically considering process, supply voltage and temperature inputs to achieve power, performance and area goals with a high yield.

“The need for power-efficiency is urgent because SoCs (systems-on-chip) for IoT applications are projected to grow at a double-digit rate, fueled by diverse and increasingly sophisticated applications across smart city, agricultural, medical, industrial, smart home and other markets,“ said Ed Kaste, vice president of Industrial and Multi-Market at GF. “Although the needs of these applications vary, the most important consideration among all of them is ultra-low power consumption. The record-breaking circuit we produced and will discuss at GTC 2019 is tangible proof that our 22FDX platform offers best-in-class performance, power consumption and level of integration for IoT applications.”

“Our easy-to use turnkey ABBX solution is based on the standard design and sign-off flow, and delivers improved PPA (power, performance and area) results with guaranteed performance and power,” said Holger Eisenreich, CEO of Racyics. “T​he silicon results demonstrate the benefits of our holistic adaptive body biasing approach for ultra-low voltage designs.”

Cellular narrowband (NB-IoT) devices offer one example of why energy efficiency is such a critical IoT requirement. These devices are often expected to operate on battery power for up to 10 years, and to achieve this, sophisticated energy management techniques are used to activate specific functional blocks and power domains only as-needed. ​When in operation, extreme energy efficiency at the lowest operating voltages are key to achieving the most demanding power budget.

The Racyics ABBX solution is now qualified on GF’s 22FDX® platform.

About Racyics GmbH

Racyics, based in Dresden, Germany, is an experienced system-on-chip (SoC) design service and IP provider with a focus on advanced semiconductor nodes. We offer our customers a wide range of design services including custom IP and turnkey SoC solutions. For more information, please go to

About GF

GLOBALFOUNDRIES (GF) is the world’s leading specialty foundry. We deliver differentiated feature-rich solutions that enable our clients to develop innovative products for high-growth market segments. GF provides a broad range of platforms and features with a unique mix of design, development and fabrication services. With an at-scale manufacturing footprint spanning the U.S., Europe and Asia, GF has the flexibility and agility to meet the dynamic needs of clients across the globe. GF is owned by Mubadala Investment Company. For more information, visit

Erica McGill

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