La Chine réduit son retard sur la Corée du Sud et les États-Unis en matière de puces mémoire pour téléphones mobiles.

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ChangXin Memory Technologies (CXMT) a déclaré avoir produit avec succès la première puce mémoire DRAM à double débit de données avancé (LPDDR5) de Chine, similaire à la génération de puces mémoire lancée par Samsung Electronics en 2018.

Cette avancée intervient alors que les États-Unis durcissent leurs restrictions sur les exportations de haute technologie afin d'entraver le développement de Pékin dans le secteur des semi-conducteurs.

La Chine s'est jusqu'à présent vu interdire l'accès aux principaux systèmes de lithographie haut de gamme d'ASML, ainsi qu'à certains fournisseurs japonais.

La mémoire DRAM de CXMT serait aussi performante que le produit Samsung lancé en 2018.

Selon CXMT, une entreprise basée à Hefei, l'un de leurs produits, la version 12 gigaoctets (Go), est utilisé par des entreprises chinoises de smartphones telles que Xiaomi et Transsion.

L'entreprise affirme que la nouvelle puce mémoire offre une amélioration de 50 % de la vitesse et de la capacité de transfert de données par rapport à la précédente DDR4X basse consommation, tout en réduisant la consommation d'énergie de 30 %.

Auparavant, le géant technologique chinois Huawei Technologies avait surpris le monde entier avec son smartphone Mate 60 Pro équipé de puces de pointe fabriquées localement.

Des rapports d'analyse indépendants concluent que la puce pourrait être fabriquée par SMIC, le principal fondeur de puces chinois.

Cette semaine, Loongson, une société spécialisée dans le développement de puces pour processeurs centraux, a également annoncé la puce 3A6000 dont la puissance est équivalente à celle des processeurs Intel de 2020.

Fondée en 2016, CXMT représente le meilleur espoir de la Chine de rattraper les géants sud-coréens des puces mémoire tels que Samsung Electronics et SK Hynix, ainsi que Micron Technology sur le marché mondial de la DRAM.

Samsung a introduit la première puce LPDDR5 de 8 Go du secteur en 2018 et l'a mise à jour vers la puce LPDDR5X de 16 Go basée sur 14 nm en 2021, offrant des vitesses de traitement de données allant jusqu'à 8 500 mégabits par seconde, soit 1,3 fois plus rapides que la génération précédente.

SK Hynix a commencé la production en série de DRAM mobile LPDDR5 en mars 2021, tandis que Micron a annoncé des puces LPDDR5 début 2020, qui, selon elle, seraient utilisées dans le smartphone Mi 10 de Xiaomi.

En vertu de la nouvelle réglementation américaine mise à jour en octobre, une série d'équipements clés de fonderie de puces, notamment la lithographie, la gravure, le dépôt, l'implantation et le nettoyage, figurent tous sur la liste des restrictions à l'exportation, visant à limiter la capacité de production de semi-conducteurs de Pékin au niveau le plus bas, environ 14 nm pour les puces logiques, 18 nm de demi-pas pour la DRAM ou moins et 128 couches pour les puces de mémoire 3D NAND.

(Selon le SCMP)

Une entreprise chinoise produit de manière inattendue les puces mémoire les plus modernes au monde

Selon le cabinet d'analystes TechInsights, Yangtze Memory Technologies (YMTC), la principale entreprise chinoise de puces mémoire, a réussi à produire la puce mémoire 3D NAND « la plus avancée au monde ».

Le fabricant coréen de puces mémoire enquête sur l'origine des composants du téléphone Mate 60 Pro

Le fabricant SK Hynix (Corée) a été surpris d'apprendre que sa puce mémoire était utilisée dans le dernier modèle de smartphone Mate 60 Pro du groupe Huawei (Chine).

Le géant sud-coréen des puces mémoire annonce des pertes record

Le géant sud-coréen des puces mémoire SK Hynix vient d'annoncer ses derniers résultats trimestriels, faisant état d'une perte de 3 400 milliards de wons (équivalent à 2,54 milliards de dollars américains).

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Thứ Sáu, 01/12/2023 - 07:31

Voir les articles de l'auteur

Một công ty bán dẫn hàng đầu của Trung Quốc lần đầu tiên sản xuất thành công chip nhớ di động tiên tiến thế hệ mới, bước tiến quan trọng trong việc thu hẹp khoảng cách với các đối thủ Hàn Quốc và Mỹ.

ChangXin Memory Technologies (CXMT) cho biết đã sản xuất thành công chip nhớ DRAM tốc độ dữ liệu kép (LPDDR5) tiên tiến đầu tiên của Trung Quốc, tương tự như thế hệ chip nhớ mà Samsung Electronics ra mắt năm 2018.

Bước đột phá đạt được trong bối cảnh Mỹ siết chặt xuất khẩu công nghệ cao nhằm cản trợ sự phát triển của Bắc Kinh trong lĩnh vực bán dẫn.

Đến nay, Trung Quốc đã bị chặn tiếp cận các hệ thống in thạch bản cao cấp quan trọng từ công ty ASML, cũng như một số nhà cung cấp từ Nhật Bản.

DRAM của CXMT được đánh giá có sức mạnh tương đương sản phẩm Samsung ra mắt hồi năm 2018.

Theo CXMT có trụ sở tại Hợp Phì, một trong những sản phẩm của họ, phiên bản 12 gigabyte (GB), đang được sử dụng bởi các công ty smartphone Trung Quốc như Xiaomi và Transsion.

Công ty cho biết chip bộ nhớ mới mang lại sự cải thiện 50% về tốc độ và dung lượng truyền dữ liệu so với DDR4X tiêu thụ điện năng thấp trước đó, đồng thời giảm 30% mức tiêu thụ điện năng.

Trước đó, gã khổng lồ công nghệ đại lục, Huawei Technologies khiến cả thể giới bất ngờ với model smartphone Mate 60 Pro được trang bị chip tiên tiến sản xuất trong nước.

Các báo cáo phân tích của bên thứ ba kết luận rằng con chip này có thể được sản xuất bởi nhà máy đúc chip hàng đầu của Trung Quốc là SMIC.

Trong tuần này, Loongson, công ty chuyên phát triển chip xử lý trung tâm, cũng công bố chip 3A6000 có sức mạnh tương đương CPU Intel của năm 2020.

Được thành lập vào năm 2016, CXMT đại diện cho hy vọng lớn nhất của Trung Quốc trong việc bắt kịp các gã khổng lồ chip nhớ Hàn Quốc như Samsung Electronics và SK Hynix, cũng như Micron Technology trên thị trường DRAM toàn cầu.

Samsung trình làng chip LPDDR5 8GB đầu tiên trong ngành vào năm 2018 và cập nhật lên chip LPDDR5X 16GB dựa trên tiến trình 14 nm vào năm 2021, mang lại tốc độ xử lý dữ liệu lên tới 8.500 megabit/giây, nhanh gấp hơn 1,3 lần thế hệ trước.

SK Hynix bắt đầu sản xuất hàng loạt DRAM di động LPDDR5 vào tháng 3 năm 2021, trong khi Micron công bố chip LPDDR5 vào đầu năm 2020, hãng cho biết sẽ sử dụng chip này trong điện thoại thông minh Mi 10 của Xiaomi.

Theo quy định mới Mỹ vừa cập nhật vào tháng 10, một loạt thiết bị đúc chip quan trọng bao gồm in thạch bản, khắc, lắng đọng, cấy ghép và làm sạch đều nằm trong danh sách hạn chế xuất khẩu, nhằm giới hạn năng lực sản xuất bán dẫn Bắc Kinh ở mức thấp nhất, khoảng 14nm đối với chip logic, 18nm half-pitch với DRAM hoặc nhỏ hơn và 128 lớp với chip nhớ 3D NAND.

(Theo SCMP)

Công ty Trung Quốc bất ngờ sản xuất chip nhớ hiện đại nhất thế giới

Theo hãng phân tích TechInsights, Yangtze Memory Technologies (YMTC) – công ty memory chip hàng đầu Trung Quốc – đã sản xuất thành công chip nhớ 3D NAND 'tiên tiến nhất thế giới'.

Hãng chip nhớ Hàn Quốc điều tra nguồn gốc linh kiện điện thoại Mate 60 Pro

Nhà sản xuất SK Hynix (Hàn Quốc) bất ngờ với thông tin chip nhớ của hãng được sử dụng trong mẫu smartphone Mate 60 Pro mới nhất của Tập đoàn Huawei (Trung Quốc).