
FEMDNN008G-C9A39
FEMDNN008G-C9A39 is an 8GB embedded MultiMediaCard (eMMC) storage solution from FORESEE (Longsys), designed for consumer electronics and industrial applications requiring reliable, high-speed data storage. Built with advanced NAND flash technology and an integrated controller, this chip delivers robust performance with enhanced data integrity and endurance. Supporting the eMMC 5.1 HS400 interface standard, it enables fast data transfer speeds up to 400MB/s, making it ideal for applications demanding quick storage access. With its compact FBGA-153 package and industrial-grade temperature range (-25°C to +85°C), the FEMDNN008G-C9A39 provides a cost-effective embedded storage solution for next-generation electronic designs.
- Brands: FORESEE
- Mfr. Part: FEMDNN008G-C9A39
- LCSC Part: C42422357
- Description: 8GB eMMC 5.1 FBGA-153 Memory (ICs) RoHS
- Datasheet: FEMDNN008G-C9A39.pdf
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| Type | Description |
| Category | Integrated Circuits (ICs)/Memory/Memory (ICs) |
| Manufacturer | FORESEE |
| Package | FBGA-153 |
| Memory Size | 8GB |
| Operating temperature | -25℃~+85℃ |
| Reading Speed in Sequence | 310MB/S |
| Writing Speed in Sequence | 110MB/S |
| configuration | – |
| NAND Stand-By Current | 40uA |
| Controller Stand-By Current | 450uA |
| NAND Operating Voltage (VCCF) | 2.7V~3.6V |
| Interface | eMMC 5.1 |
| Controller Operating Voltage (VCCQ) | 1.7V~1.95V;2.7V~3.6V |
Quality and reliability
Full traceability
ATFU, Sourcing the parts from the original manufacturer and global authorized distributor, is
capable to ensure the traceability of parts, COC could be offered once order is up to required MOQ.
3rd Party Inspection
We work with White House lab/ CECC lab, Service included Visual Inspection, X-ray inspection, Programming test, Critical Function test, ect.
Quality Warranty
ATFU offers 1 year quality guarantee for all the parts supplied, during the period, RMA or
replacement requirement due to quality problem are acceptable, a formal testing report and description for quality issue will be requested when applying for RMA or replacement.

About ATFU

Atfu Electronics (HK) limited established on 2012 year, have great source network to get obsolete, hard-to-find and long lead time electronic components. ATFU is providing the highest quality electronic components at the most affordable prices all the time to meet client’s request.
- Branded Exihibtion we attend
- Payment Options
- Packaging
- Shipping Options
- Returns
- Expo Electronica Russia (April)
- Electronica India (Setp)
- Electronica Germany (Nov)

Wire transfer, PayPal, Western Union . Net 30 available upon approved application.

FedEx / UPS / DHL / TNT

Volume Sales are subject to NCNR (non-cancelable/non-returnable) agreements. Returns are not accepted, except in the case of manufacturer defects or damage.
FAQ
The FEMDNN008G-C9A39 is an 8GB eMMC storage chip primarily used as the main storage solution in embedded systems and consumer electronics. Its main purpose is to provide reliable, high-speed data storage for applications such as smartphones, tablets, smart TVs, set-top boxes, smart speakers, and smart cameras. The integrated controller and NAND flash memory in a single package simplify system design and reduce development complexity for manufacturers
The FEMDNN008G-C9A39 features the following key specifications:
Storage Capacity: 8GB
Interface Standard: eMMC 5.1 compliant with backward compatibility to eMMC 4.41/4.5/5.0
Package Type: FBGA-153
Operating Voltage: VCC(NAND): 2.7-3.6V; VCCQ(Controller): 1.7-1.95V / 2.7-3.6V
Temperature Range: -25°C to +85°C (operating), -40°C to +85°C (storage)
Performance: Up to 400MB/s in HS400 mode, 160MB/s sequential read, 120MB/s sequential write
Standby Current: 30μA (NAND), 160μA (controller)
Features: Hardware ECC engine, global wear leveling, power failure protection, S.M.A.R.T. health reporting
The FEMDNN008G-C9A39 offers several advantages for system designers:
Integrated Solution: Combines NAND flash and controller in a single FBGA-153 package, reducing component count and PCB space requirements
High Compatibility: eMMC 5.1 standard ensures compatibility with mainstream host processor designs
Enhanced Reliability: Hardware ECC engine, power failure protection, and unique firmware backup mechanism ensure data integrity
Performance Optimization: Supports HS400 and HS200 modes for high-speed data transfer
Power Efficiency: Low standby current (30μA for NAND) and support for sleep/awake modes
Industrial Grade: Extended temperature range suitable for harsh environments
The FEMDNN008G-C9A39 is designed for a wide range of embedded applications including:
Consumer Electronics: Smartphones, tablets, smart TVs, set-top boxes, smart speakers
Smart Home Devices: Smart cameras, home automation controllers, IoT gateways
Industrial Systems: Industrial computers, HMI panels, automation equipment
Educational Tools: Scanning dictionary pens and other learning devices
Commercial Displays: Digital signage, advertising players, kiosk systems
Network Equipment: WiFi routers, network storage devices
Developers working with the FEMDNN008G-C9A39 can access the following resources:
Technical Documentation: Datasheets and application notes available through authorized distributors
Standard Compatibility: Based on eMMC 5.1 standard, compatible with mainstream development tools
Software Support: Drivers available for various operating systems including Linux, Android, and RTOS
Supply Chain: Available through authorized distributors with reliable inventory management
Quality Assurance: Industrial-grade qualification suitable for long-term projects
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