UFS: Theideal Replacement for E-MMC

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UFS: The Ideal Replacement for e-MMC LEADING THE WAY KIOXIA delivers ash-based products for next-generation storage applications. Having FOR UFS invented NAND ash over 30 years ago, KIOXIA is now one of the world’s largest ash Mar. Introduced the thinnest 1TB memory suppliers – and continues to move the technology forward. 2021 UFS oering available7, at just 1.1mm thick. WHAT IS UFS? UFS1 (Universal Flash Storage) is a JEDEC-standard, non-volatile managed ash device. It was developed to be the high-performance replacement to e-MMC for embedded memory solutions. Feb. UFS Ver. 3.1 introduced 2020 FEATURES UFS DENSITIES 2 When compared to e-MMC, SUPPORTED UFS delivers: 1TB Jan. A faster First to sample UFS interface 2019 Ver. 3.0 512GB Higher performance for reads and 256GB writes 128GB Feb. First to introduce Higher density 2013 UFS samples oerings 64GB Better power 32GB eciency Support for Automotive AEC-Q100 Extended Jun. First to announce 3D full duplexing Support temp range 2007 ash memory technology Enhanced PERFORMANCE5 reliability UFS version 3.1 DESIGN CONSIDERATIONS supports 2.33GB/s Use UFS when: Use e-MMC when: • Higher densities are needed • Lower densities are 1987 NAND (from 32GB to 1TB) needed (4, 8, and 16GB) ash e-MMC version 5.13 • Enhanced performance is desired (UFS • SoC-supporting UFS memory supports provides high-speed read/write interface is not available invented performance with good power eciency) 400MB/s • SoCs that interface to UFS are available APPLICATIONS $ Many others The Global Universal Flash Storage Market size is expected to reach $14.2 Smartphones AR/VR Tablets/2-in-1 Automotive Streaming Media Smart Speakers billion by 2023 Source: Forward Insights [1] Universal Flash Storage (UFS) is a product category for a class of embedded memory products built to the JEDEC UFS standard specication. JEDEC is a registered trademark of JEDEC Solid State Technology Association. [2] Product density is identied based on the density of memory chip(s) within the Product, not the amount of memory capacity available for data storage by the end user. Consumer-usable capacity will be less due to overhead data areas, formatting, bad blocks, and other constraints, and may also vary based on the host device and application. For details, please refer to applicable product specications. The denition of 1Gb = 2^30 bits = 1,073,741,824 bits. The denition of 1GB = 2^30 bytes = 1,073,741,824 bytes. [3] Embedded MultiMediaCard. e-MMC is a product category for a class of embedded memory products built to the JEDEC e-MMC Standard specication. [5] Performance comparison is based on e-MMC v5.1 and UFS v3.1 JEDEC specifations. Read and write speed may vary depending on the host device, read and write conditions, and le size. [6] Source: Forward Insights , NAND Quarterly Insights Q3/20, Report no. FI-NFL-NQI-Q320 August 2020 [7] Source: KIOXIA Corporation survey, as of March 2, 2021 Rev. 1.1.

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