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ROM型存储发展历程及特点对比
ROM型存储发展历程及特点对比
行业数据
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所属报告：
北京君正：车载存储龙头“计算+存储+模拟”平台扩张-220818（63页）.pdf
打包全文图表
相关数据
企业ROm均值（调整后)
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行业数据
2025-11-20
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智能手机ROM容量升级趋势图（GB）
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其它
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行业数据
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中国大陆市场智能手机月度出货份额（按ROM）
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行业数据
2023-09-05
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图25、旺宏Flash、ROM等产品合计年产能（约当8英寸）
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行业数据
2023-06-05
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ROM与RAM对比
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行业数据
2022-07-12
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图25、旺宏Flash、ROM等产品合计年产能（约当8英寸）
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行业数据
2021-11-02
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中国智能手机出货量分布（按ROM）
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2021-02-05
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ROM的发展历程
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2020-07-30
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行业概况：存储芯片在全球半导体市场规模占比近 30%，可分为 ROM（只读存储器）、RAM（随机存储器）、新型 RAM 等，应用以 DRAM 和 NAND Flash 为主，两者合计占比97%。根据 WSTS 数据，2021 年全球半导体市场规模为 5558.93 亿美元，其中存储芯片为 1538.38 亿美元，占比 27.67%且仅次于逻辑芯片（27.85%），在各领域有着丰富应用并起重要作用。按性质划分：1）ROM（只读存储器）：又称“非易失性存储器”，断电数据不会丢失。ROM 最早起源于 1950 年代，目前应用以 FLASH（闪存）为主，分为 NAND Flash 和 NOR Flash，其中 NAND Flash 可以实现大容量存储、高写入和擦除速度，多用于大容量数据存储，特别是手机、SSD 等；NOR Flash 主要用于存储代码及部分数据，具备可靠性强、读取速度快、可执行代码等特性，多用于通讯、消费电子、汽车等。2）RAM（随机存储器）：又称“易失性存储器”，分为 DRAM、SRAM（断电数据会丢失）和新型 RAM（断电数据不会丢失）。DRAM 容量高、功耗低、成本低，主要用于移动终端、服务器等设备内存；SRAM 容量小、速度快、成本高，主要用于 Cache（高速缓存）；新型 RAM 包括 PCM、FRAM、MRAM、RRAM 等不同类型存储芯片，但目前尚未大规模商用，可在工控医疗、汽车电子、物联网设备、数据中心等领域作为传统存储芯片的替代品。
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北京君正：车载存储龙头“计算+存储+模拟”平台扩张-220818（63页）.pdf
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2021年定增募集资金投向（单位：亿元）
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