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Samsung builds world’s first 20nm semiconductor chips

NAND flash memory
Mon Apr 19 2010, 15:52

KOREAN CONGLOMERATE Samsung is crowing about being the first in the semiconductor industry to produce 20nm class NAND flash memory chips.

The chips will be used in Secure Digital (SD) memory and embedded memory solutions. First off Samsung will introduce 32GB MLC (multi-level cell) NAND flash memory with the 20nm class chips.

Later on memory cards should be available from 4GB to 64GB. This announcement comes only a year after the company started producing 30nm class NAND flash memory chips, and Samsung noted that 20nm class chips have 50 per cent higher productivity.

Write performance is also faster for 20nm class NAND flash memory chips, as an 8GB SD high density card based on them is 30 per cent faster than one based on 30nm class NAND flash chips.

This will increase the range of options when it comes to memory cards for use in new technology such as smartphones, as well as for high-end IT applications. Samsung also claimed that it has made its 20nm chips just as reliable as its older ones.

What this means for users is that less expensive and better performing NAND flash memory chips will be coming to market. µ



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