Global Automotive Memory Chip and Storage Industry Report 2024: Evolution of Automotive DRAM – In the Era of Transformer Model, GDDR6 and HBM Develop Rapidly, and Storage Cost Shoots Up

DUBLIN, March 15, 2024 /PRNewswire/ — The “Global Automotive Memory Chip and Storage Industry Report, 2024” report has been added to ResearchAndMarkets.com’s offering.

The global automotive memory chip market was worth USD4.76 billion in 2023, and it is expected to reach USD10.25 billion in 2028 boosted by high-level autonomous driving. The automotive storage market is a high-growth semiconductor segment.

Automotive memory chips accounted for about 8-9% of the value of automotive semiconductors in 2023, and the proportion is expected to rise to 10-11% in 2028, mainly because the faster innovation in automotive memory chips promotes the rapid adoption of advanced memory chips into cars.

Evolution of automotive NAND Flash memory: UFS 4.0, PCIe SSD for central computing, CXL memory expansion technology

As with a computer system, a current automotive computing system also has a hard disk where important data and trained weight models are stored.

eMMC5.1 and UFS3.1 have become the mainstream standards for automotive NAND Flash memory. In February 2024, KIOXIA announced sampling of the industry’s first Universal Flash Storage (UFS) Ver. 4.0 embedded flash memory devices designed for automotive applications in line with AEC-Q100 Grade2 requirements. UFS 4.0 supports theoretical interface speeds of up to 23.2Gbps per lane or 46.4Gbps per device. It is conceivable that by 2025, UFS 4.0 will become one of automotive storage standards, and will be applicable to different automotive EEAs.

In the future, the automotive NVMe SSD based on PCIe interfaces will offer data throughput of more than 10GB/s, and the massive storage capacity will provide strong support for the next-generation intelligent automotive systems. Automotive SSD refers to the solid-state drive with PCIe as the physical layer and NVMe as the communication protocol.

NVMe supports ultra-long queues so as to greatly ease the storage bottleneck problem during parallel computing. In the era of central computing, storage should be integrated into the central computer, and PCIe is the best choice. SSD is connected to the central computing unit SoC via a PCIe switch.

JEDEC, a standard setter in the storage industry, approved the JESD312 standard in November 2022, and officially released it on December 14. JESD312 defines the specifications of interface parameters, signaling protocols, environmental requirements, packaging, and other features for a solid state drive (SSD) targeted primarily at automotive applications. Automotive SSD is directly mounted on PCB in the form of BGA, with the size not larger than 28×28 mm. It uses four PCIe 4.0 interfaces to provide a peak transmission rate of up to 8 Gb/s.

JESD312 takes into a full account the changes of automotive electronic architectures, targets software-defined vehicles and central computing architecture, and allows the storage array to be partitioned.

CXL (Compute Express Link), a storage technology based on PCIe, will be one of the important development directions of automotive storage in the future. CXL is a new open interconnect standard, and its essence is to change the original hard disk access model into the existing memory access model and exchange data in the form of memory access. CXL enables high-speed and efficient interconnect between CPU and GPU, FPGA or other accelerators, thus meeting the requirements of high-performance heterogeneous computing.

Evolution of automotive DRAM: In the era of Transformer model, GDDR6 and HBM develop rapidly, and storage cost shoots up.

The key to AI operation lies in storage instead of AI processor. 90% of the power consumption and delay of AI operation come from storage or data transfer. In 90% working conditions, the AI processor is waiting for the storage system to transfer data, and the time required by the computing system is almost negligible, so the performance of the storage system actually determines the real computing power. Wherein, the storage bandwidth can basically be equated to the performance of the storage system and the real computing power.

In the Transformer era, there are at least more than 1 billion model parameters, a model is at least 1GB, and the storage bandwidth determines whether Transformer can be run. In addition, storage dominates power consumption. According to Intel’s research, when the semiconductor process reaches 7nm, an AI chip (accelerator) takes as high as 35pJ/bit to transfer data, making up 63.7% of the total power consumption.

Intelligent vehicles pose ever higher requirements for image floating-point operation. To run Transformer smoothly, the weight model should be read up to 200 times per second, so the storage bandwidth should be at least 400GB/s, 600 GB/s better. On this basis, Samsung and Micron plan to launch their own automotive GDDR6 solutions.

In Tesla HW3.0, the storage bandwidth of the first-generation FSD is only 34GB/s, which is difficult to support the next-generation foundation models. Tesla’s latest self-driving brain HW4.0 therefore uses GDDR6 at all costs, 16 pieces (2GB per piece) used, with 8 each on the front and back side, plus the 4 GDDR6 chips (also 2GB) in the cockpit controller, totaling 20 pieces (40GB), and the cost is more than USD160. HW3.0 uses 8 LPDDR4 chips, and a total of 8 LPDDR4 RAMs, each with capacity of 1GB, totaling 8GB, and the cost is about USD28.

In Tesla HW4.0, GDDR6 is non-automotive-grade D9PZR provided by Micron, and the GDDR6 physical layer of is from Cadence. Rambus also provides the GDDR6 physical layer and earns approximately USD140 million in annual revenue from its storage physical layer IPs. In September 2023, Cadence acquired the SerDes and memory interface PHY IP business from Rambus Inc.

Currently, among Tesla’s automotive memory chips, the 2nd-generation FSD has the highest bandwidth ranging from 448Gb/s to 1008GB/s. SK Hynix’s HBM2E (H5WG6HMN6QX038R) supports minimum bandwidth of 460GB/s, with the density of 16GB. The dual-channel design allows for 920GB/s, even up to 1840GB/s, but it is still far less cost-effective than GDDR6.

GDDR6 is expected to prevail, and HBM may follow. Tesla HW 5.0 or the third-generation FSD chip may use HBM, but this is a distant future.

Key Topics Covered:

1 Overview of Automotive Memory Chip Industry 
1.1 Classification of Memory Chips
1.2 Status Quo of Memory Chip Industry
1.3 Status Quo of Automotive Memory Chip Industry
1.4 Demand for and Application Prospect of Automotive Memory Chips
1.5 Competitive Landscape of Automotive Memory Chip Market
1.6 Automotive-grade Standards and Certification for Automotive Storage
1.7 Localization of Automotive Memory Chips

2 Development Directions of Automotive Memory Chips 
2.1 Trends of Automotive Storage 

3 Automotive Application of Various Memory Chips
3.1 DRAM Technology and Its Application in Automobiles
3.2 NAND Flash technology and automotive application
3.3 SRAM Technology and Its Application in Automobiles
3.4 NOR Flash technology and automotive application
3.5 EEPROM Technology and Its Application in Automobiles
3.6 FRAM Technology and Its Application in Automobiles

4 Application Scenarios of Automotive Memory Chips by Segment
4.1 Prediction for Passenger Car Sales and Intelligent Driving/Intelligent Cockpit Penetration in China
4.2 Memory Chip Application Scenario: Autonomous Driving
4.3 Memory Chip Application Scenario: Cockpit
4.4 Application Scenario of Memory Chips: Central Computing Units + Zonal Controllers
4.5 Memory Chip Application Scenario: Driving Data Recording
4.6 Memory Chip Application Scenarios: Cloud Computing and Storage

5 Overseas Automotive Memory Chip Vendors
5.1 Samsung
5.2 SK Hynix
5.3 Micron
5.4 Kioxia (Toshiba)
5.5 Western Digital
5.6 Silicon Motion
5.7 Fujitsu
5.8 Neo Semiconductor

6 Chinese Automotive Memory Chip Vendors
6.1 Yangtze Memory
6.2 CXMT
6.3 XMC
6.4 GigaDevice
6.5 Ingenic
6.5.8eMMC Products
6.6 Giantec Semiconductor
6.7 Puya Semiconductor
6.8 Fudan Microelectronics
6.9 Longsys
6.10 Macronix
6.11 BIWIN Storage Technology
6.12 Etron Technology
6.13 YEESTOR
6.14 Dosilicon
6.15 Konsemi
6.16 Mason Semiconductor
6.17 Rayson
6.18 Xi’an Unigroup Guoxin Microelectronics
6.19 Phison Electronics
6.20 Shanghai Belling

For more information about this report visit https://www.researchandmarkets.com/r/8zy20d

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