SK Hynix announces LPDDR5T mobile memory with 9.6 Gbps transfer speeds


The first devices to integrate LPDDR5T should be available in 2H23. (Image source: SK Hynix)

By the second half of 2023, LPDDR5T will be the fastest mobile memory standard with transfer rates of 9.6 Gbps per chip and 77 GB/s per 16 GB package. SK Hynix will be mass-producing this type of memory on its latest 10 nm nodes with High-K Metal Gate technology.

The fastest currently available LPDDR5X memory with 8.5 Gbps transfer rates was introduced in late 2022, but now, after just a few months, SK Hynix is ​​pushing the boundaries with an even faster iteration called LPDDR5T. To better emphasize the transfer rates that can reach up to 9.6 Gbps (13% faster than LPDDR5X), SK Hynix replaces the X suffix with T for Turbo.

Because it is designed for handhelds and ultrabooks, the LPDDR5T chips operate at ultra-low voltages between 1.01 – 1.12 V. A standard 16 GB multi-chip package is capable of transfer rates of 77 GB/s. The new type of memory is expected to see mass production on SK Hynix’s fourth-generation 10nm nodes sometime in the second half of 2023. The integration of High-K Metal Gate film into the DRAM transistors allows SK Hynix to have the lowest power consumption but still improve transfer speeds.

With the significant jump in transfer speeds, the LPDDR5T memory could be beneficial not only for 5G handhelds and ultra-slim laptops, but also for AI and machine learning applications, as well as VR/AR. This would be the last iteration for SK Hynix’s LPDDR5 standard, as the South Korean company plans to focus on LPDDR6 next.

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(Image source: SK Hynix)
(Image source: SK Hynix)

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