磁阻随机存取存储器(MRAM)
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MCU的关键之战
半导体芯闻· 2025-11-10 10:56
Core Insights - The article emphasizes the rapid growth and importance of embedded non-volatile memory (eNVM) technologies, particularly in the context of artificial intelligence and edge computing applications [2][6]. Group 1: Market Trends and Projections - By November 2025, the eNVM market is expected to see significant advancements, driven by the surge in edge data and the integration of AI functionalities into microcontrollers (MCUs) and system-on-chips (SoCs) [2]. - Yole Group forecasts that the embedded emerging NVM market will exceed $3 billion by 2030, indicating a strong demand for NVM as eFlash becomes less applicable in certain areas [2]. - The automotive sector remains a core market for eNVM, with a notable increase in demand for safety integrated circuits (ICs) and industrial MCUs anticipated by 2025 [5]. Group 2: Technological Developments - Embedded flash memory continues to be a foundational technology, but limitations in advanced node scaling have propelled MRAM, ReRAM, and embedded PCM to the forefront [3]. - Major foundries and integrated device manufacturers (IDMs) are expanding embedded solutions from 28/22 nm planar CMOS to 10-12 nm platforms, including FinFET technologies [3]. - The integration of eNVM into analog, power management, and mixed-signal designs is being recognized as a practical alternative to traditional EEPROM/OTP solutions [4]. Group 3: Applications and Challenges - ReRAM, MRAM, and PCM each have specific applications, with ReRAM gaining recognition in high-volume applications, while MRAM and PCM are attractive in speed and durability-critical areas [5]. - Challenges include integrating eNVM at advanced logic nodes, balancing durability and data retention, and achieving automotive-grade reliability standards [5]. - The role of eNVM is expected to evolve from mere storage to a critical component of computing architectures, enhancing efficiency and redefining the role of embedded memory in device intelligence [6].
eNVM,发展现状
半导体行业观察· 2025-11-07 01:00
Core Insights - The article emphasizes that we are in the era of artificial intelligence, where data is crucial for innovation, and embedded non-volatile memory (eNVM) is a foundational technology that retains information without power [2][6] - By November 2025, the eNVM market is expected to grow rapidly, driven by the surge in edge data and the increasing application of AI functionalities in microcontrollers (MCUs) and system-on-chips (SoCs) [2][6] Market Growth and Projections - The embedded emerging NVM market, including MRAM, RRAM, and PCM, is projected to exceed $3 billion by 2030, indicating strong demand as eFlash becomes less applicable in certain areas [2][3] - The automotive industry remains a core market for eNVM, with significant growth expected in secure integrated circuits (ICs) and industrial MCUs by 2025 [4] Technological Advancements - Advanced nodes are pushing MRAM, ReRAM, and embedded PCM to the forefront, with manufacturers expanding embedded solutions from 28/22 nm to 10-12 nm platforms [3][4] - Companies like TSMC, Samsung, and STMicroelectronics are actively developing and mass-producing these technologies, with TSMC preparing for 12 nm FinFET ReRAM/MRAM by 2025 [3][4] Applications and Use Cases - eNVM is being recognized as a practical alternative to EEPROM/OTP in analog, power management, and mixed-signal designs, especially where cost, durability, and data retention are critical [4] - The role of eNVM is expanding from mere storage to being part of computing architectures, particularly in low-power edge AI inference applications [5][6] Challenges and Solutions - Challenges include integrating eNVM at advanced logic nodes while balancing durability and data retention to meet automotive reliability standards [5] - The availability of PDK/IP is improving, and production capacity is gradually increasing, addressing these challenges [5]
MRAM,台积电(TSM.US)重大突破
智通财经网· 2025-10-18 01:09
Core Insights - The rapid development of Non-Volatile Memory (NVM) technology is driven by emerging applications such as artificial intelligence, autonomous driving, and the Internet of Things, which challenge traditional storage systems in terms of speed, energy consumption, and stability [1][2] - Spin-Orbit Torque Magnetic Random Access Memory (SOT-MRAM) has emerged as a promising universal storage solution due to its high speed, low power consumption, and non-volatility [1][2] Storage Technology Transformation Needs - Traditional storage systems, reliant on SRAM, DRAM, and flash memory, face significant challenges as technology nodes approach 10nm, including scalability limitations, performance enhancement difficulties, and increased read/write interference [2] - New non-volatile storage technologies, including SOT-MRAM, STT-MRAM, PCM, RRAM, and FeRAM, are being developed to meet the high demands for speed, non-volatility, and reduced power consumption [2] Unique Advantages of SOT-MRAM - SOT-MRAM operates using a unique principle that leverages strong spin-orbit coupling materials to achieve fast data writing and erasing through magnetization flipping [3][4][5] - It features three core advantages: high-speed writing, high energy efficiency, and high reliability, making it a potential replacement for SRAM in next-generation computing systems [3][4][5][6] Overcoming Key Technical Challenges - A critical technical bottleneck for SOT-MRAM is the thermal stability of spin-orbit coupling materials, particularly tungsten, which can transition from a metastable β phase to a stable α phase under typical semiconductor manufacturing conditions [7][9] - The research team developed a composite structure by inserting ultra-thin cobalt layers within the tungsten layers, significantly improving thermal stability and maintaining high spin conversion efficiency [9][12] Comprehensive Performance Validation - The team successfully fabricated a 64kb SOT-MRAM prototype array and conducted extensive performance testing, achieving a switching speed of 1 nanosecond and demonstrating excellent stability and repeatability [12][14] - The device's data retention capability exceeds 10 years, and it achieved a tunneling magnetoresistance (TMR) of 146%, indicating a high-quality interface for stable read margins [14] Opening a New Era in Storage Technology - The research indicates a shift in the storage industry, with SOT-MRAM poised to fill the performance gap between SRAM and DRAM, potentially transforming the traditional storage hierarchy [15][16] - SOT-MRAM's characteristics make it particularly suitable for AI and edge computing applications, where it can significantly reduce system energy consumption [15][16] Future Directions - The proposed strategy for stabilizing metastable phases in materials could extend beyond tungsten, offering new insights for other functional materials [16] - The advancements in SOT-MRAM may facilitate innovations in computing architectures, such as in-memory computing, addressing the limitations of traditional von Neumann structures [16][17]
东大验证新磁材,助力高速AI和长续航手机
日经中文网· 2025-06-11 01:03
Core Viewpoint - The research team at the University of Tokyo has confirmed the potential of a new class of magnetic materials, known as "alternating magnetic materials," which can read and write digital information at speeds over 100 times faster than traditional magnetic memory, with the possibility of reducing size to 1/100 of current technologies [1][3]. Group 1: Material Characteristics - The newly discovered "third class of magnetic materials" is made from abundant elements like iron and sulfur, which offers cost advantages and resource availability [1][3]. - This material operates at room temperature and retains information even when the power is turned off, making it suitable for various electronic applications [3][4]. Group 2: Market Potential and Trends - The market for MRAM (Magnetoresistive Random Access Memory) is projected to grow from approximately $2 billion in 2024 to about $22.6 billion by 2029, indicating a significant shift towards energy-efficient magnetic storage solutions [5]. - The new alternating magnetic MRAM is expected to overcome current limitations in capacity and speed, potentially increasing integration density by up to 100 times compared to traditional MRAM [5][6]. Group 3: Applications and Future Development - High-performance memory is crucial for enhancing computing performance, particularly in complex AI calculations and extending battery life in devices like smartphones [6]. - The research team is focused on developing thin films on substrates to facilitate practical applications, with the potential for rapid advancement in production techniques [6].