Name: eMMC Package Substrate
Brand: PCB Printed Circuit Board and PCBA manufacturing
Rating: 5 (1 reviews)

eMMC Package Substrate

Product Model: eMMC Package Substrate

Material: HL832NS

PCB Layers: 4 Layers

PCB Thickness: 0.21mm

Single Unit Size: 11.5 × 13mm

Solder Mask Ink: PSR-4000 AUS308

Surface Treatment: Soft Gold

Min. Aperture: 0.1mm

Min. Line Width: 20μm

Min. Line Spacing: 20μm

Application: eMMC Package Substrate PCB Board

Description
Data Sheet

eMMC (Embedded MultiMedia Card) is a unified embedded storage specification formulated by the MMC Association, primarily optimized for mobile terminal products. Its core design feature integrates an independent controller within a single packaging unit. The built-in controller provides a universal standard interface and undertakes full lifecycle management of flash memory. This architecture allows device makers to simplify hardware development focus, streamline R&D cycles, and accelerate product mass production launch. Meanwhile, it also helps NAND manufacturers further reduce chip lithography dimensions and overall material costs.

As a mainstream local storage solution for portable mobile devices, eMMC is developed to resolve fragmented memory design challenges. Traditional discrete solutions require customized adaptation for NAND Flash chips from different suppliers including Samsung, Toshiba, Hynix and Micron. Without a universal compatible architecture, hardware teams needed repeated redesigns to match varied brand specifications and technical differences.

In addition, semiconductor manufacturing processes continue to iterate rapidly. With NAND technology evolving from 70 nm to 50 nm, 40 nm and 30 nm nodes, each process upgrade forced terminal manufacturers to carry out secondary hardware adjustment and compatibility verification. Frequent semiconductor process updates prolonged development cycles and delayed new product release schedules. Against this industry background, eMMC was widely adopted; it integrates NAND Flash particles and dedicated control chips into one MCP package, realizing standardized modular storage.

The core design logic of eMMC is to streamline embedded memory application for mobile products. By encapsulating flash storage and dedicated management circuits into a single MCP component, it enables simplified procurement and rapid mounting. Manufacturers only need to adopt standard eMMC chips, without dealing with complex discrete NAND compatibility tuning and underlying management. This effectively cuts R&D expense, shortens time-to-market, and boosts iterative innovation efficiency of electronic products.

Flash memory process upgrades have accelerated in recent years. After TLC technology entered the 20 nm mass production stage, flash operation stability and underlying management became prominent technical difficulties. Relying on standardized definition, eMMC shields internal flash differences and process changes. Main control manufacturers and terminal clients only need to conduct data interaction through the unified eMMC interface, without paying attention to flash internal structure iteration or process adjustment, greatly lowering development threshold and design complexity.

eMMC integrates mature underlying management mechanisms, covering MLC and TLC flash adaptation, ECC error correction debugging, bad block management, wear leveling algorithm, command scheduling and low-power control. All core storage optimization and reliability maintenance are processed by the on-board controller.

In summary, the key value of eMMC lies in decoupling terminal product design from NAND Flash iteration. It shields differences from chip suppliers and manufacturing processes, ensures hardware consistency and operational stability, and becomes a cost-effective, highly reliable standardized storage solution for mass consumer electronic equipment.

Model: eMMC Package Substrate

Material: HL832NS

Layers: 4L

Thickness: 0.21mm

Single size: 11.5 * 13mm

Resistance welding: PSR-4000 AUS308

Surface treatment: Soft Gold

Minimum aperture: 0.1mm

Minimum line distance: 20um

Minimum line width: 20um

Application: eMMC Package Substrate PCB Board

eMMC Package Substrate

Description

Data Sheet