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© head off dreamstime.com Analysis | June 27, 2022

Top suppliers enjoy big gains in small NOR flash market

IC Insights says that strong unit demand and robust ASP gains lifted total NOR flash market 63% in 2021.

NOR flash memory represented only 4% of the total flash memory market in 2021, but sales of NOR flash devices soared 63% last year to USD 2.9 billion, according to data released by IC Insights. NOR unit shipments increased 33% last year while the average selling price jumped 23%. The 2Q Update also forecasts the NOR flash market will rise another 21% to USD 3.5 billion in 2022.

Three companies accounted for 91% of NOR flash memory sales in 2021.  Winbond was the largest NOR flash supplier with sales that topped USD 1.0 billion, which amounted to 35% of NOR marketshare. 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.

2021 RankCompanyHeadquarters2020202121/20 % change2021 Marketshare
1WinbondTaiwan6381,00357%34.8%
2MacronixTaiwan56594267%32.7%
3GigaDeviceChina335670100%23.2%
Others23726914%9.3%
Total1,7752,88463%100%

Ranked second with USD 942 million in NOR flash sales last year was Macronix, which captured 33% NOR marketshare. NOR represented 52% of Macronix’s total IC sales in 2021. Essentially all of its NOR devices were produced using 75nm and 55nm process technology last year but in 2Q22, the company began its transition to 45nm NOR flash production. Communications, automotive, and industrial/medical applications were the big growth drivers for Macronix’s NOR flash business in 2021.

Third-ranked GigaDevice doubled its NOR flash sales in 2021 and expects another solid year for its NOR flash sales in 2022. Demand for its NOR flash last year was mostly from automotive applications.

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.

Memory density requirements are increasing as more software code is used to boost the performance capabilities of new system designs. Coupled with the fact that NOR flash is difficult to scale means that for densities greater than 1Gb, NOR flash may not be as cost-effective as some alternative memory solutions. IC Insights believes this will cause a gradual shift in demand away from NOR flash to higher density alternative memories such as single-layer cell (SLC) NAND and magnetoresistive RAM (MRAM), which have slowly begun replacing NOR flash in many new system designs.


For more information visit IC Insights.

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November 15 2022 12:19 am V20.10.16-2
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