Back in 2009 Samsung unveiled the first 30nm 3-bit MLC NAND Chips. Today Samsung announced the industry’s first production of 20nm class NAND chips for use in Secure Digital (SD) memory cards and embedded memory solutions.
The introduction of 32Gb MLC NAND will expand Samsung's memory card solutions for smart phones, high-end IT applications and high-performance memory cards.
Samsung’s 20nm-class MLC NAND has a 50 percent higher productivity level than 30nm-class MLC NAND. The write performance of a 20nm-class-based, eight gigabyte (GB) and higher density, SD card is 30 percent faster than the 30nm-class NAND and it delivers a speed-class rating of 10 (read speed of 20MB/s, write speed of 10MB/s). By applying cutting-edge process, design and controller technology, Samsung also has secured reliability levels comparable to 30nm-class NAND.
Memory cards based in the 20nm-class will be available from 4GB through 64GB densities.
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