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US memory chip maker Micron sends latest DRAM chip to smartphone partners

US memory chip maker Micron sends latest DRAM chip to smartphone partners

US memory chip maker Micron sends latest DRAM chip to smartphone partners

Nov 1 (Reuters) – US-based memory chip maker Micron Technology Inc said on Tuesday it has started shipping samples of its most advanced DRAM chip based on LPDDR5X, the low-power double data rate 5X, standard for smartphone makers, for testing. have done.

The latest DRAM chip was built using Micron’s most cutting-edge manufacturing technology, called 1-beta. The company currently ships an LPDDR5x DRAM chip manufactured with its 1-alpha technology, adding that the new 1-beta chip has 15% better power efficiency than the older version as well as a 35% reduction in the number of bits stored per is improvement. region.

DRAM chips are memory chips that lose memory when the power is turned off, while NAND chips store memory regardless of power.

The 1-beta manufacturing technology further underpins the 1-alpha technology, though Micron didn’t say how much. Chip manufacturing has evolved to fit more and more transistors on a specified area of ​​silicon, which has reduced cost per memory and energy consumption over the decades – although some limitations are beginning to emerge.

Micron said it was able to achieve 1-beta manufacturing technology without using expensive extreme ultraviolet, or EUV, lithography tools, which are used in the latest processor chips in top-end smartphones.

Thae Tran, vice president of DRAM process integration at Micron, said the new DRAM will be manufactured first at Micron’s plant in Hiroshima, Japan, and later at other high-volume manufacturing sites, including Taiwan. (Reporting by Jane Lanhy Lee; Editing by Leslie Adler)



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