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给HBF泼盆冷水
半导体行业观察· 2025-12-09 01:50
Core Viewpoint - High Bandwidth Flash (HBF) technology is being promoted and standardized by SanDisk and SK Hynix, seen as a complement to GPU local High Bandwidth Memory (HBM) [2][4] Group 1: HBF Technology Overview - HBF technology faces three main challenges: high operating temperatures of GPU accelerators exceed NAND flash durability, limited write endurance of TLC and QLC NAND flash compared to DRAM, and poor compatibility among different types of NAND flash [2] - HBF is similar to HBM in that both utilize Through-Silicon Via (TSV) technology for vertical stacking of multiple chips, but HBF uses NAND flash, allowing for larger capacity and lower costs [5] Group 2: Market Insights and Predictions - Kim Jung-Ho predicts that in the AI era, memory will play an increasingly crucial role, potentially leading to NVIDIA acquiring a memory company [4] - HBF is viewed as a key technology to overcome storage capacity bottlenecks in AI clusters, with significant importance placed on memory capacity during AI inference [4][6] - The first AI inference systems utilizing HBF technology are expected to debut in early 2027, following the release of HBF memory samples in the second half of 2026 [5] Group 3: Future of Memory Architecture - Kim envisions a multi-layer memory architecture for future AI systems, where HBF will serve as a deep storage solution, complementing HBM and SRAM [6] - The integration of HBM and HBF in GPUs is anticipated to mark a new era of AI computing and memory fusion [6]
苹果芯片负责人,否认离职
半导体行业观察· 2025-12-09 01:50
Core Viewpoint - The article discusses the recent rumors regarding Johnny Srouji, Apple's chip chief, considering leaving the company, and his subsequent confirmation that he has no plans to depart. This comes amid a wave of executive departures at Apple, raising concerns about leadership stability within the company [2][3][4]. Group 1: Executive Departures - Several high-profile executives have recently left Apple, including John Giannandrea, Alan Dye, Kate Adams, and Lisa Jackson, leading to questions about the company's leadership stability [3][4]. - The departures are attributed to various factors, including the retirement age of senior executives and a broader talent drain, which is described as "disturbing" [5][6]. - Apple is reportedly facing one of the most tumultuous periods in CEO Tim Cook's tenure, with efforts being made to retain top talent through improved compensation packages [5][6]. Group 2: Srouji's Role and Contributions - Johnny Srouji has been a key figure at Apple since 2008, leading the hardware technology team responsible for the development of the M-series and A-series chips, which have allowed Apple to transition away from Intel chips [2][4]. - Srouji's team has also developed a cellular modem intended to replace Qualcomm modems in most iPhones, highlighting the significance of his contributions to Apple's hardware strategy [2][3]. Group 3: Concerns Over Talent Retention - The article notes a significant loss of talent within Apple's hardware design and artificial intelligence teams, with many employees leaving for competitors or startups, including OpenAI and Meta [6][7]. - The morale within Apple's AI team is reportedly low, exacerbated by the departure of key personnel and the increasing reliance on external AI technologies [6][7]. - The company is under pressure to enhance its recruitment and retention strategies to address the ongoing talent drain [7].
Naveen再创业,搞了颗模拟AI芯片
半导体行业观察· 2025-12-09 01:50
公众号记得加星标⭐️,第一时间看推送不会错过。 连续创业家Naveen Rao本周稍微揭开了他最新创业公司 Unconventional AI 的神秘面纱,该公司致 力于打造一种新型模拟芯片,以突破当前数字计算机所面临的扩展性挑战,推动人工智能发展。 Unconventional AI的存在于 9 月份曝光,当时 Rao在 X 论坛上暗示他正在联合创办一家新公司,旨 在打造一台"脑级效率"的计算机。我们了解到,该公司获得了 Andreessen Horowitz 的投资,并计 划筹集 10 亿美元资金。 两个月后,Rao 和他的三位联合创始人——麻省理工学院副教授 Michael Carbin、斯坦福大学助理 教 授 Sara Achour 和 前 谷 歌 工 程 师 MeeLan Lee—— 在 一 篇 博 客 文 章 中 正 式 宣 布 , 他 们 已 筹 集 到 4.75 亿美元的种子资金,公司估值达 45 亿美元。 拉奥的回应带着几分戏谑: "模拟计算机可以做很多不同的事情。风洞就是一个很好的例子,从某种意义上说,它就像一台模拟 计算机。比如,我有一辆赛车……或者一架飞机,我想了解风是如何绕着它运动的 ...
摩尔线程首届MDC大会,新一代GPU架构即将揭晓
半导体行业观察· 2025-12-09 01:50
Core Viewpoint - The first MUSA Developer Conference (MDC 2025) will be held in Beijing on December 19-20, 2025, focusing on the development of full-function GPUs and aiming to gather global developers and industry leaders to explore breakthroughs in domestic computing power and create a new blueprint for an autonomous computing ecosystem [1]. Group 1: Conference Overview - MDC 2025 will showcase the MUSA technology system and its full-stack capabilities, aiming to accelerate the integration of domestic full-function GPU technology across various industries [1]. - The conference will feature a main forum where the founder and CEO of Moore Threads, Zhang Jianzhong, will present the full-stack development strategy centered around MUSA and unveil the next-generation GPU architecture along with a comprehensive product and solution layout [3]. Group 2: Technical Sessions - Over 20 technical sub-forums will be established to empower developers and partners, covering key areas such as intelligent computing, graphics computing, scientific computing, AI infrastructure, and developer tools [5]. - The "Moore Academy" will be launched to facilitate developer growth through systematic technical sharing, resource integration, and talent cultivation, aiming to build a sustainable domestic GPU application ecosystem [5]. Group 3: Immersive Experience - An immersive "MUSA Carnival" spanning over 1000 square meters will be created, featuring diverse thematic exhibition areas that cover cutting-edge technologies and popular application scenarios such as AI large models, embodied intelligence, and digital twins [7]. - The event will provide interactive live demonstrations to vividly present the integration of technological innovation and industry applications [7]. Group 4: Industry Applications - The conference will highlight the deep empowerment of specialized GPUs across various industries, including smart agriculture, industrial manufacturing, smart education, and healthcare [19].
联电官宣,发力硅光
半导体行业观察· 2025-12-09 01:50
Core Viewpoint - United Microelectronics Corporation (UMC) has signed a technology licensing agreement with imec to acquire the iSiPP300 silicon photonics process, aiming to develop a 12-inch silicon photonics platform for next-generation high-speed connectivity applications [2]. Group 1: Technology Development - The iSiPP300 silicon photonics process is compatible with Co-Packaged Optics (CPO) and addresses the bottlenecks of traditional copper interconnects due to increasing AI data loads [2]. - UMC plans to combine imec's proven 12-inch silicon photonics process technology with its Silicon-On-Insulator (SOI) wafer process to offer a highly scalable Photonic Integrated Circuit (PIC) platform [2]. - UMC is collaborating with multiple new customers to provide photonic chips for optical transceivers, with risk production expected to begin in 2026 and 2027 [2]. Group 2: Market Implications - The partnership with imec is expected to accelerate the development of UMC's 12-inch silicon photonics platform, enhancing the market for silicon photonics solutions and facilitating the introduction of next-generation computing systems [3]. - The iSiPP300 platform features compact and efficient components, including micro-ring modulators and GeSi electro-absorption modulators (EAM), which will contribute to diverse low-loss optical fiber interfaces and 3D packaging modules [3].
大厂自研芯片加速,逃离英伟达
半导体行业观察· 2025-12-08 03:04
Core Insights - The article discusses the increasing demand for semiconductors driven by the global AI boom and how major tech companies are accelerating their efforts to reduce reliance on NVIDIA for AI chips [1][2][3] Group 1: Microsoft and Custom AI Chips - Microsoft is in talks with Broadcom to co-develop customized AI chips aimed at enhancing cost-effectiveness and control for data centers, marking a strategic shift in its approach [1] - Previously, Microsoft utilized Marvell technology for some AI chips, but the rapid growth of generative AI models has strained existing supply chains [1] Group 2: Other Tech Giants' Initiatives - Alphabet, Google's parent company, launched the Ironwood TPU v7, which is seen as a direct competitor to NVIDIA's Blackwell GPU, expanding its customer base and enhancing its AI chip capabilities [2] - Amazon's AWS has introduced the Trainium3 AI acceleration chip, which is positioned as a low-cost, high-efficiency alternative to NVIDIA's H100 and B100, with claims of superior performance in specific AI training scenarios [2] Group 3: OpenAI's Collaboration - OpenAI is collaborating with Broadcom to develop its own customized AI chips, expected to be deployed in the second half of next year, in response to the soaring demand for GPT models and to reduce costs [3] Group 4: NVIDIA's Position - NVIDIA's CEO Jensen Huang commented on the competition with companies like Google and Amazon, asserting that few teams can match NVIDIA's capabilities in building complex systems [4][6] - Huang emphasized that while Google’s TPU is competitive, NVIDIA remains superior across all AI segments, maintaining an "irreplaceable" status in the industry [6]
颠覆铜互连,革命SerDes
半导体行业观察· 2025-12-08 03:04
Core Viewpoint - The article discusses the advancements in interconnect technology, particularly focusing on Lightmatter's new 3D co-packaged optical interconnect (CPO) technology, which aims to significantly enhance I/O performance for AI workloads, especially in training large language models [1][4]. Group 1: Interconnect Technology Innovations - Faster data transfer speeds between processors enable more work to be completed, driving innovation in interconnect technology [1]. - Nvidia's NVLink technology provides up to 1PB/s of network bandwidth in high-end systems, showcasing the industry's focus on improving data transfer rates [3]. - Lightmatter's Passage M1000 photon superchip features 1024 serial data channels, each capable of 56 Gbps throughput, with a total bandwidth of 114 Tbps [4]. Group 2: Lightmatter's CPO Technology - Lightmatter's CPO technology allows for the integration of SerDes within the chip, improving data transmission efficiency by using laser beams instead of traditional electrical connections [6][7]. - The 3D stacking method of CPO technology enables chip manufacturers to achieve photon bandwidths of 32 to 64 Tbps, enhancing scalability for AI workloads [7]. - Lightmatter is collaborating with undisclosed GPU or XPU manufacturers to integrate CPO technology into their chips, with potential product releases expected by the end of 2027 [7]. Group 3: Market Context and Competition - The demand for computing accelerators is surging due to the growth of AI workloads, prompting various companies, including AMD, Intel, Google, AWS, and Microsoft, to innovate in this space [1]. - Lightmatter has raised $850 million and holds a valuation of $4.4 billion, indicating its significance in the optical interconnect market [8].
DDR 4,太缺货了
半导体行业观察· 2025-12-08 03:04
公众号记得加星标⭐️,第一时间看推送不会错过。 历经近三年低迷的DRAM 市场,随着AI 服务器与高效能运算(HPC)需求暴增,记忆体报价自谷底 反弹。近期品牌大厂如戴尔、惠普与联想皆坦承记忆体的缺货是真的!这也印证了日前南亚科总经理 李培瑛直言,DDR4 缺口仍大,公司产能即使全力生产,也难完全满足客户需求。 「AI的兴起改变了一切」,南亚科总经理李培瑛指出,生成式AI带来的不是短期需求波动,而是一 场结构性转变。他坦言,2022年、2023年是全球记忆体最艰困的阶段,几乎所有供应商都在亏损, 直到2024年开始有了反转。 随着OpenAI掀起新一轮算力投资,AI服务器成为全球最抢手的硬体类别,这些服务器使用大量HBM (高频宽记忆体),而HBM本身就是DRAM所组成,进而推升了对高频宽、高容量DRAM的需求。 然而,为什么AI需要用上DRAM呢?南亚科技总经理李培瑛解释,「DRAM属于运算型记忆体,只 有DRAM可以帮助GPU、CPU、NPU速度加快、运算量增加」。 综观目前AI服务器DRAM的出货状况,李培瑛分析,HBM虽仅占全球DRAM出货量约8~9%,但由 于单价与毛利远高于传统产品,这波AI效应正 ...
汽车芯片,玩法变了
半导体行业观察· 2025-12-08 03:04
Core Viewpoint - The semiconductor supply chain for the automotive industry is undergoing a fundamental transformation, shifting from an efficiency-first approach to prioritizing safety and controllability in response to recent chip shortages [1][21]. Group 1: Impact of Ansys Semiconductor Crisis - Ansys Semiconductor, as the largest supplier of basic semiconductor devices, holds approximately 40% of the global automotive discrete device market share, and its supply fluctuations have led to production cuts or temporary shutdowns for major automakers like Honda, Ford, Volkswagen, and Nissan [1][3]. - The crisis highlights the structural risks within the automotive chip supply chain, emphasizing the industry's demand for safety and reliability, which complicates the rapid replacement of suppliers [3][4]. Group 2: Changes in Automotive Chip Supply Chain Logic - The automotive industry has experienced its second major chip shortage in five years, with the previous shortage during the pandemic primarily caused by supply-demand imbalances [3][5]. - The current crisis has revealed that the global automotive chip inventory turnover days are generally below 40 days, significantly lower than the 60-day safety level, indicating that the industry's focus on low inventory is unsustainable in the face of supply fluctuations [4][5]. Group 3: Localization Strategies of International Chip Manufacturers - Major international automotive chip manufacturers, including Infineon, STMicroelectronics, NXP, and Texas Instruments, are accelerating their localization strategies in China to enhance supply chain stability [7][11]. - Infineon has launched a "local for local" strategy, aiming for localized production of various products by 2027, while NXP has established a dedicated China division to adapt to local market needs [7][8][9]. Group 4: Opportunities and Challenges for Domestic Chip Manufacturers - The restructuring of the automotive supply chain presents unprecedented opportunities for domestic chip manufacturers, with the localization rate of automotive chips in China expected to rise from less than 5% in 2020 to 20% by the end of 2024 [16][17]. - Despite the opportunities, domestic manufacturers face challenges such as high certification barriers, longer certification cycles, and reliance on foreign EDA tools, which can hinder their competitiveness [17][19]. Group 5: Future Trends in the Automotive Chip Industry - The automotive chip industry is expected to evolve towards a more resilient and diversified supply chain, balancing global and regional strategies, with a focus on local production and multi-source backup [21]. - The trend of "local for local" is becoming a collective action among global semiconductor companies, reflecting a recognition of the importance of the Chinese market and the need for supply chain security [14][12].
化圆为方,台积电豪赌下一代封装
半导体行业观察· 2025-12-08 03:04
公众号记得加星标⭐️,第一时间看推送不会错过。 AI应用快速普及,高速运作芯片大量导入先进封装,推升封测需求,台积电「CoWoS」成为家喻户 晓的先进封装技术。除了CoWoS之外,台积电也积极开发下一代封装技术如「CoPoS」,意即把 CoWoS面板化,透过「化圆为方」来提升面积利用率与单位产量。还有一种「CoWoP」也被誉为次 世代封装技术,把芯片和中介层直接装在高精度PCB板之上,有助于芯片散热,但两者在开发过程都 面临不同的挑战,尚待克服。 根据工研院产科国际所预估,2025年台湾半导体封测产业产值将达新台币7,104亿元,年成长率达 13.9%。 2026年,在AI/HPC基础设施大规模部署需求下,封测产值将稳定成长至7,590亿元,年增 6.8%。 工研院产科国际所分析师陈靖函表示,随着摩尔定律逐渐逼近物理极限,单一芯片上的电晶体数量已 难以持续呈指数成长,封装技术遂成为决定芯片效能的关键。透过将多个小芯片紧密整合于单一IC 中,可有效提升数据传输频宽,并降低能耗与延迟,对追求极致记忆体频宽与低延迟的AI芯片尤为关 键。 为满足这些需求,AI加速器普遍采用HBM(高频宽记忆体),使得如CoWoS(C ...