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Micron Delivers Latest LPDDR5X Memory Chips to Smartphone Manufacturers

Micron, an American memory chip maker, said on Tuesday that it has begun shipping samples of its most advanced DRAM chip based on the LPDDR5X standard with double data rate 5X low power consumption to smartphone makers for testing. The latest DRAM chip was manufactured using Micron’s most advanced manufacturing technology known as 1-beta. The company is currently shipping its LPDDR5X DRAM chip made using 1-alpha technology and has claimed that the new 1-beta chip has 15% better power efficiency over the old version, as well as a 35% improvement in the number of bits stored on region.

DRAM chips are memory chips that lose memory when powered off, while NAND chips retain memory regardless of power.

The 1-beta manufacturing technology further reduces the 1-alpha technology, although Micron did not say by how much. Chip manufacturing has evolved to fit more and more transistors into a given area of ​​silicon, which has reduced memory cost and power consumption for decades, although some limitations are starting to appear.

Micron said it was able to transition to 1-beta manufacturing technology without the costly extreme ultraviolet or EUV lithography tools used in the latest processor chips in high-end smartphones.

Tai Tran, vice president of DRAM process integration at Micron, said the new DRAM will be produced first at Micron’s Hiroshima, Japan plant and later at other major manufacturing sites, including Taiwan.

© Thomson Reuters 2022

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