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A Tour of the Basics of Embedded NAND Flash Options
Robin Jigour, Spansion Inc
EETimes (8/27/2013 08:30 AM EDT)
In embedded systems, NOR and NAND Flash memory are complementary solutions with different features and capabilities that serve different purposes. NOR memory offers faster random read access, allowing for fast boot times and execute-in-place (XiP), making it ideal for code storage. NAND memory offers higher densities, lower cost-per-bit, and fast write performance, which is more suitable for data storage.
The NAND memory market has grown as the need for larger amounts of non-volatile data storage in embedded platforms has increased significantly over the last few years. These platforms are using full blown operating systems that require larger storage for kernel or configuration data.
According to research firm IC Insights, increasing HD video content, social networking, shared data via the cloud, low power consumption, and instant-on features will continue to be key market drivers of NAND Flash memory. In fact, IC Insights projects the NAND Flash market to grow 12 percent in 2013 from $26.8 billion in 2012. Approximately 10 percent of this is used in embedded electronic systems.
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