YMTC cinese raggiunge la produzione di massa di NAND 3D a 232 strati, Battere Kiossia, Questa incredibile arte di Axelay dimostra che abbiamo bisogno di un remake moderno, Samsung, e SK Hynix
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La rampa di YMTC a 232 strati segue da vicino il suo inaspettato 2020 feat di una NAND 3D a 128 strati di livello di produzione, which was groundbreaking enough to win a supply contract with Apple, prima losing it in October 2022, due to political reasons (not technological reasons). The Xtacking 3.0 architecture involves back side source connect (BSSC) for the memory cell wafer, which leads to simpler process and lower cost compared to Xtacking 2.0 (up to 128-layers, which had introduced nickel silicide (NiSi) instead of tungsten silicide (WSi) for better device performance and I/O speed for CMOS wafer. The original Xtacking architecture from YMTC, which it debuted back in 2016, with layer counts going up to 64-layer, relied on cost-effective wafer-to-wafer bonding. The YMTC 232-layer 3D NAND flash should find plenty of takers in the consumer electronics industry, spanning smartphones, consumer storage devices, TV, and other appliances. The high layer-count has a direct impact on density, che può aiutare i progettisti a ridurre i costi utilizzando meno chip, o aumentare la capacità.
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