EMMC For Smartphone 64GB 128GB 256GB Embedded EMMC TLC Flash Memory Chip
EMMC (Embedded Multi Media Card) is an integrated storage solution that combines flash memory chips and controllers. As the core storage component in smartphones, it directly determines device read/write speeds, operational stability, and battery life performance, making it a critical element in smartphone hardware architecture.
Core Application: Smartphone Data Center
EMMC serves as the primary built-in storage solution in smartphones, functioning as the exclusive carrier for system and user data across three critical areas:
- Operating System & Pre-installed Software: Stores mobile phone operating systems, baseband control programs, system services, and pre-installed applications. EMMC's random read/write speed directly impacts system boot time, application loading speed, and multitasking performance.
- User Data Storage: Available in 64GB, 128GB, and 256GB capacities, storing all user-installed third-party applications, photos, videos, documents, chat records, and other local data. Capacity is a core smartphone specification that determines user storage limits.
- Temporary Caching & Operational Support: Handles temporary cache files for applications. High-speed EMMC reduces cache read/write latency, preventing application lag and load timeout issues.
Technical Specifications
| Model |
G2864GTLCA / G28128GTLCA / G28256GTLCA |
| Capacity |
64GB / 128GB / 256GB |
| Controller |
SMI |
| Wafer |
KIOXIA |
| Package Type |
BGA153 |
| Read Speed |
330 MB/s |
| Write Speed |
240 MB/s |
Key Advantages for Smartphone Integration
Space-Saving Integrated Design
EMMC encapsulates flash memory particles and control chips in a single BGA-packaged chip, offering significantly smaller dimensions than traditional "independent flash memory + external controller" solutions. This compact design perfectly aligns with the hardware requirements of lightweight smartphones.
Low Power Consumption for Extended Battery Life
With built-in power management modules supporting sleep mode and dynamic power adjustment, EMMC automatically reduces power consumption during standby or low read/write operations. This results in approximately 30% lower energy consumption compared to traditional storage solutions, indirectly enhancing battery life.
Reliable Performance in Complex Scenarios
Features include bad block management, error correction (ECC), and data redundancy protection (simplified RAID principle), enabling automatic repair of minor data errors and preventing data loss from defective flash blocks. Designed to withstand typical smartphone usage environments including temperature fluctuations and minor vibrations while meeting consumer-grade reliability standards.
Standardized Interface for Reduced Development Costs
EMMC follows JEDEC standard interface protocols, allowing smartphone manufacturers to maintain compatibility with EMMC chips from different suppliers without developing separate drivers. This standardization significantly shortens development cycles and reduces hardware adaptation costs.
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