NOR unit shipments increased 33% last year while the average selling price jumped 23%, according to a new report by IC Insights. The report also forecasts the NOR flash market will rise another 21% to $3.5 billion in 2022.
IC Insights pointed out that three companies accounted for 91% of NOR flash memory sales in 2021 (Figure 1). Winbond was the largest NOR flash supplier with sales that topped $1.0 billion, which amounted to 35% of NOR market share. Since 2011, Winbond manufactured most of its NOR products using 58nm technology, but in 2021, the company transitioned to its 40nm-based process for most of its NOR products.
While NOR flash is not a serious contender for most new, high-capacity storage applications, it remains a useful and reliable memory option for code storage and in many low-end embedded applications. In the automotive space, for example, NOR is a key component in dashboard instrument clusters, infotainment systems, and advanced driver assistance systems (ADAS). In the industrial segment, NOR flash memory is used to provide consistent and secure access to code data and medical records of patients. NOR flash is also part of the market for Internet of Things (IoT) applications, including many new healthcare products that provide remote diagnosis and monitoring.
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