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中信证券-电子行业专题：从周期及国产化看存储行业投资机遇-230602

 存储芯片在全球半导体市场规模占比近30%，应用广泛品类丰富。存储芯片可分为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

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