Swiss chip company STMicroelectronics announced its latest microcontrollers designed with its most advanced 18nm process technology. STMicroelectronics manufactured the STM32V8 MCUs at its 300mm fab in Crolles, France in collaboration with Samsung Foundry.

The new generation STM32V8 offers high-performance MCUs that suit demanding industrial applications with best-in-class embedded phase-change memory (PCM).

“The STM32V8 is our fastest STM32 microcontroller to date, designed for high reliability in harsh operating environments, with the ability to replace much larger and power-hungry application processors. The STM32V8 represents the future of what a high performance MCU can do for demanding embedded and edge AI applications such as industrial control, sensor fusion, image processing, voice control, and others,” said Remi El-Ouazzane, President, Microcontrollers, Digital ICs and RF products Group at STMicroelectronics. 

ST’s Fastest, Most Powerful MCU

MCUs are foundational chips, with the broad portfolio of STM32 devices. Specifically, they are powering billions of devices on the planet across consumer devices. These include home appliances, industrial applications, medical devices and communication nodes. 

Thanks to its Arm Cortex-M85 core and the 18nm process, the STM32V8 achieves clock speeds of up to 800MHz. Thus, it is the most powerful STM32 MCU ever shipped. High levels of faster and larger embedded memory are a key enabler of secure and connected applications.

Moreover, ST’s new MCU comes with fully depleted silicon on insulator (FD-SOI) process technology with embedded phase-change non-volatile memory (PCM). Thus, providing strong robustness and reliability in harsh operating environments. STM32V8’s PCM has the smallest cell size in the market at 4MB of embedded NVM.

An example of this kind of environment is the deployment of Starlink mini laser system in space, which uses of STM32V8. In fact, SpaceX has selected the STM32V8 for its Starlink constellation, using it in a mini laser system that connects the satellites travelling at extremely high speeds in Low Earth Orbit (LEO).  

The STM32V8 is in early-stage access for selected customers with key OEMs availability as of the first quarter 2026.  

The MCU also incorporates state-of-the-art security features leveraging the STM32 Trust framework as well as the latest cryptographic algorithms and lifecycle management standards.

19 November 2025