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  • Phison Introduces First SD Express Card PS5017

    Phison Introduces First SD Express Card PS5017

    Sep 30, 2022

    The SD Express (SD 7.0) specification was actually announced as early as 2018. By importing the PCI-E 3.0 specification and the NVMe v1.3 protocol defined by PCI-SIG, the transfer speed can reach 985MB/s and the maximum capacity can reach 128TB. Phison officially announced the launch of the world's first SD Express Card.This SD Express memory card comes in standard and microSDXC forms, integrates the PS5017 controller chip, is compatible with PCI-E NVMe technology, and is compatible with existing card slots. As for the theoretical sequential read and write speeds of up to 870MB/s and 740MB/s, three times that of the traditional UHS-II SD Card. SD Express will use 3D QLC, pass A1, V30, U3 speed certification, and the capacity will start from 256GB, and the maximum will be 512GB.Phison pointed out that the development was not easy, mainly because the SD Card and microSD Card are very small in size, and the heat dissipation efficiency is poor during high-speed transmission, which is prone to overheating. Therefore, Phison's development this time has added a thermal protection mechanism.

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  • For the UFS market, Phison PS8313 and PS8311

    For the UFS market, Phison PS8313 and PS8311

    Sep 29, 2022

    The memory card performance of the UFS specification is impressive, and Phison has similar plans.Samsung Electronics announced the UFS specification series of memory cards in June, and its read performance of up to 500MB/s is eye-catching. Phison also saw similar products from brand factories in the first quarter.The UFS 2.0 specification released in September 2013 has been seen on Samsung smartphones.As for the UFS 1.0 memory card specification, it was announced in March 2016, but at this stage Samsung Electronics is still leading the market.Judging from Phison's product planning, they will launch two products, PS8311 and PS8313, for different markets, of which PS8311 is aimed at UFS memory cards and mid-level UFS markets. The difference between the two lies in the number of channels, SECC and LDPC. PS8313 is 2CH and requires PCIe 3.0 x2, while PS8311 is 1CH and PCIe 3.0 x1. Phison PS8313 adopts 28nm process and supports 3D TLC NAND Flash.

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  • Phison releases PS5021-E21T entry-level SSD controller with PCI-E 4.0 x4 interface

    Phison releases PS5021-E21T entry-level SSD controller with PCI-E 4.0 x4 interface

    Sep 21, 2022

    At CES2021, Phison announced the launch of a new main control chip for entry-level SSDs using the PCI-E 4.0 x4 interface. It supports the latest types of 3D NAND flash with an interface speed of 1600 MT/s and promises sequential read speeds of up to 5000 MBps. At the same time, it is manufactured with advanced process technology, and the volume is very small, which means lower cost, and solid-state drives can also be designed to be smaller.Phison PS5021-E21T is a four-channel controller without DRAM, supporting PCI-E 4.0 x4 interface, NVMe 1.4 protocol, and various types of 3D TLC and 3D QLC NAND flash memory, using Toggle 4.0 or ONFi 4.2 interface, with transfer rates up to 1600MT/s.The PS5021-E21T controller supports Phison's fourth-generation LDPC ECC, end-to-end data path protection, and Smart ECC 2.0 (RAID ECC) technology. In addition, the controller supports all advanced security and encryption functions such as TCG OPAL2.0/Pyrite, AES256, SHA512 and RSA4096.Phison's latest main control chip allows SSD manufacturers to build entry-level products with sequential read and write speeds up to 5000/4500 MBps and random read and write speeds up to 780K/800K IOPS. Obviously, the speed of the high-end solid state drive equipped with PS5018-E18 is much faster than that of PS5021-E21T, the continuous read and write throughput is as high as 7400/7000MB/s, and the random read and write IOPS is also as high as 1,000,000.The PS5021-E21T main controller is manufactured using TSMC’s 12nm process and is packaged in FCCSP with a size of 7.5mm×12mm, which minimizes the die size, cost and power consumption of the PS5021-E21T controller. According to Phison, if a 4TB M.2-2280/2230 SSD with Micron’s 176-layer N48R 3D QLC flash memory is used, the average power consumption is only about 4.6W, and in PS4/L1.2 low-power mode, the power consumption is less than 2mW .Since Phison provides the PS5019-E19 master control for Microsoft's Xbox Series X game console, Phison's new master control chip supports DirectStorage technology at the hardware level. However, in order to fully enable it, multiple system-wide functions need to be supported, so neither Phison nor other SSD master chip manufacturers have talked about support for this technology.

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  • Phison's first PCIe 5.0 NVMe controller PS5026-E26 pushes access speeds above 11GB/s

    Phison's first PCIe 5.0 NVMe controller PS5026-E26 pushes access speeds above 11GB/s

    Sep 21, 2022

    As with previous generations, the original PCIe 5.0 NVMe controllers are approximately 50% faster or more.Phison released the first PCIe 5.0 NVMe SSD controller information at the end of September last year, and the model PS5026-E26 is scheduled to start mass production by the end of the same year. During the CES 2022 exhibition, there was finally a little more information revealed, and we should be able to see brand products on the market smoothly this year.PS5026-E26 complies with PCIe 5.0, NVMe 2.0 transmission interface/protocol specifications, is based on 8 data transmission channel design, and can control up to 32 flash memory bare wafers. It supports the latest ONFI 5.0, Toggle 5.0 type TLC, QLC 3D NAND chips, with DDR4 or LPDDR4 dynamic random access memory, the maximum capacity of the finished product is 32TB.Phison only vaguely mentioned that the PS5026-E26 can bring a 10GB/s level speed experience, and there is no more reference information. They finally released some news at CES 2022 related activities. The current development and adjustment progress is able to achieve sequential read 12GB/s and write 11GB/s. As for 4K random access throughput, read 1,500K IOPS, write 2,000K IOPS.The current second-generation PCIe 4.0 NVMe controller PS5018-E18 is tuned for sequential read 7,400MB/s, write 7,000MB/s, and 4K random access throughput of 1000K IOPS. PS5026-E26 is a real improvement of 50% or more

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