Wearable Electronics


512Mbits, NOR Flash is a cost-effective choice. When a data capacity of 512Mbits or more is required, the fabrication process advantage of NAND Flash comes into play. Winbond’s outlook on the medical equipment market suggests that high- reliability, high-speed alternatives to NOR Flash for user data are likely to become increasingly popular. This is why Winbond has developed new technologies to increase the Read and Write performance of its reliable Single-Level Cell (SLC) NAND Flash products.


For instance, the W25N QspiNAND family is available in densities of 512Mbits,


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1Gbit, 2Gbits and 4Gbits. It shares the same interface as conventional SPI NOR Flash for easy replacement in existing designs, and at densities of 512Mbits, offers a lower cost-per-bit and a smaller board footprint. The W25N devices also feature fast Program/Erase performance and high reliability: their specifications include more than 100,000 Program/ Erase cycles and more than ten years’ data retention. An on-chip Error Correction Code (ECC) engine ensures that data in storage are free of bit errors.


Winbond also offers a migration route to higher performance for medical devices


integrating a higher number of sensors and operating at higher sampling speeds: the High-Performance QspiNAND Flash and OctalNAND Flash products offer the same high-reliability SLC NAND Flash quality, but with even higher data bandwidth.


A new generation of personal medical devices


The implications of the Covid-19 pandemic are still emerging, but it is already clear that the medical world will need to embrace the use of more personal and wearable technology. Data is the key to these emerging personal medical devices –


this has vast implications for the design of security and storage systems. Winbond’s forward-looking approach to memory technology has seen it take the lead in developing secure NOR Flash products and high-reliability, high-density QspiNAND Flash. As the market for wearable medical technology evolves, OEMs can expect Winbond to continue to introduce new product types and technologies to meet the latest requirements for secure and low-cost code and data storage.


www.winbond.com Components in Electronics July/August 2022 53


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