BWEMMC256G
High-capacity 256GB eMMC 5.1 embedded storage for data-intensive IoT and industrial applications.
Product Overview
Description
The Biwin BWEMMC256G is a high-capacity 256GB eMMC 5.1 embedded storage solution designed for data-intensive IoT and industrial applications.
With HS400 interface supporting up to 400MB/s data transfer, it provides ample storage capacity for large data logging, video recording, and complex applications.
The industrial-grade components and wide temperature range ensure reliable operation in harsh environments.
Product Series
BWEMMC
Primary Application
Industrial data loggers
Key Features
- 256GB high capacity
- eMMC 5.1 HS400 interface
- Wide temperature operation
- Power loss protection
- Enhanced data reliability
- Long-term supply commitment
Specifications
| Capacity | 256GB |
|---|---|
| Interface | eMMC 5.1 HS400 |
| Package | BGA-153 (11.5x13mm) |
| Temperature Range | -40°C to +85°C |
| Sequential Read | Up to 320MB/s |
| Sequential Write | Up to 150MB/s |
| Random Read IOPS | Up to 15,000 |
| Random Write IOPS | Up to 8,000 |
| Endurance | 3,000 P/E cycles |
Applications
Industrial data loggers
Industrial automation and control
Video surveillance systems
Electronic system design
Medical imaging devices
Medical electronics
Automotive recorders
Automotive and EV electronics
IoT gateways
Electronic system design
FAE Expert Insights
"The BWEMMC256G is an excellent high-capacity eMMC solution that I've used in several industrial data logging applications. The 256GB capacity is perfect for applications that need to store weeks of data locally before transmission. The HS400 interface provides good performance for eMMC, and the wide temperature range has been validated in outdoor installations. The power loss protection is critical for battery-powered IoT devices that may experience unexpected shutdowns. What I appreciate most is the long-term supply commitment - essential for industrial products with 5-10 year lifecycles. The BGA-153 package is standard and easy to work with. For any embedded application needing high-capacity storage with eMMC compatibility, this is an excellent choice."
High-capacity eMMC with industrial reliability for data-intensive embedded applications
— David Liu, BeiLuo
Frequently Asked Questions
What applications benefit from 256GB eMMC?
The 256GB capacity is ideal for: Large-scale data logging systems collecting data over extended periods. Video surveillance cameras storing days of footage locally. Medical devices archiving imaging data. Automotive recorders capturing continuous video. IoT gateways caching data during network outages. Industrial HMI systems with extensive graphics and logs. The high capacity reduces maintenance by extending time between data uploads or maintenance visits.
How does HS400 improve performance?
HS400 (High Speed 400) is the fastest eMMC interface mode: Data transfer rate up to 400MB/s vs HS200's 200MB/s. Uses 8-bit parallel data bus at higher clock speeds. Requires HS400-capable host controller. Backward compatible with slower modes. Performance benefits: Faster boot times for embedded systems. Quicker application loading. Improved data logging throughput. Better user experience in interactive applications. Most modern embedded processors support HS400.
What is the endurance rating?
The BWEMMC256G has a 3,000 P/E (Program/Erase) cycle endurance rating. This is standard for industrial eMMC. For perspective: Typical embedded write patterns: 10-100GB/day. At 50GB daily writes: 16+ years of service. Write amplification is managed by wear leveling. SLC caching extends endurance for burst writes. The endurance is sufficient for most industrial and IoT applications. For extremely write-intensive applications, consider industrial SSDs with higher TBW ratings.
Is eMMC 5.1 backward compatible?
Yes, eMMC 5.1 is backward compatible with older eMMC hosts: eMMC 5.1 devices work in eMMC 4.5/5.0 hosts at reduced speed. The device negotiates the highest mutually supported mode. HS400 requires host support - falls back to HS200 or legacy modes. Command interface remains consistent across versions. Voltage levels are compatible (3.3V or 1.8V). This backward compatibility ensures: Easy upgrades from older eMMC. Interoperability with legacy systems. Future-proofing for new designs.
What is the long-term availability?
Biwin provides long-term availability for embedded products: Standard commitment: 5 years from product launch. Extended commitment: Up to 10 years for automotive/medical. Last-time buy notification: 12 months before discontinuation. Form-fit-function replacements guaranteed. PCN (Product Change Notification) process for any changes. This long-term availability is essential for: Industrial equipment with long lifecycles. Automotive applications requiring 10+ year support. Medical devices with regulatory requirements. Contact LiTong for specific LTSA (Long Term Supply Agreement) options.