Infineon Technologies : and TSMC to introduce RRAM technology for automotive AURIX™ TC4x product family

Munich, Germany – November 25, 2022 – Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) and TSMC today announced that the companies are preparing to integrate TSMC’s Resistive RAM technology ( RRAM) Non-Volatile Memory (NVM) technology to Infineon’s AURIX generation. ™ microcontrollers (MCU).

Embedded Flash microcontrollers have been the main building blocks of electronic control units (ECUs) since the introduction of the first automotive control systems. These are important components for clean, safe and smart cars, used in propulsion systems, vehicle control, driver assistance and body applications. They enable innovations in the field of power-related engineering, new E/E architectures and automated driving. Currently, most MCU families on the market are based on embedded Flash memory technology. RRAM is the next step in embedded memory that can scale to 28nm and beyond.

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Infineon AURIX TC4x microcontroller products combine performance expansion with new features in virtualization, security, and networking components to enable the next generation of computer-defined vehicles and new E/E architectures. TSMC and Infineon succeeded in the project of introducing RRAM into the automotive domain. This places AURIX machines on a broader technology and delivery platform. RRAM offers high latency, allowing bits to be written without erasing. The patient function and data retention is similar to Flash technology.

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“TSMC and Infineon have a long track record of successful collaboration, including the first generation AURIX and TC2x products. We have also collaborated on RRAM NVM technology for nearly a decade in a variety of applications ,” said Dr. Kevin Zhang, Vice President. President of Business Development at TSMC. “Moving TC4x to RRAM opens up new opportunities for shrinking MCUs into smaller modules, and we’re excited to be working with a leader like Infineon.”

“The AURIX TC3x is well-established as the first microcomputer in many application areas. The AURIX TC4x based on TSMC’s RRAM technology extends this success with increased ASIL-D performance, powerful artificial intelligence and innovative connectivity including 10Base T1S Ethernet and CAN -XL,” said Thomas Boehm, Senior Vice President and General Manager of Automotive Microcontrollers. “RRAM technology creates great potential for performance expansion, power reduction, and cost improvement.”

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Infineon is offering prototypes of its AURIX TC4x family to lead customers based on TSMC’s 28 nm eFlash technology. The first models based on 28 nm RRAM technology will be available to customers by the end of 2023. More information is available at


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