IS21TF32G-JCLI

The IS21TF32G-JCLI is a high-density 256Gbit embedded Multi-Media Card (eMMC) flash memory solution from ISSI, designed for space-constrained applications requiring reliable non-volatile storage. Built on proven TLC NAND flash technology with an eMMC 5.1 interface, this device delivers flexible data storage capabilities for embedded systems, consumer electronics, and industrial applications. With its 32G x 8 memory organization and support for operating temperatures from -40°C to 85°C, the IS21TF32G-JCLI provides a robust foundation for designs requiring persistent data storage with wide environmental tolerance.

Key Features

• High-Density Storage: 256Gbit (32GB) capacity organized as 32G x 8, providing substantial embedded storage for firmware, operating systems, user data, and media files in a single package.
• eMMC 5.1 Interface: Industry-standard embedded interface with 200MHz clock frequency enables high-speed data transfer while simplifying system integration compared to raw NAND flash solutions.
• TLC NAND Technology: Triple-level cell flash architecture balances storage density and cost-effectiveness, making it suitable for applications where write endurance requirements align with typical embedded system usage patterns.
• Extended Temperature Range: -40°C to 85°C operating temperature support ensures reliable operation across industrial, automotive, and harsh environment applications.
• Compact Package: 153-VFBGA (11.5mm x 13mm) footprint minimizes board space requirements while providing robust mechanical attachment for vibration-prone environments.
• Flexible Supply Voltage: 2.7V to 3.6V operating range accommodates both 3.3V and lower-voltage system designs, simplifying power supply design and enabling battery-powered applications.

Typical Applications

• Industrial Controllers and HMIs: The eMMC interface and extended temperature range make this flash memory ideal for storing operating systems, application code, and data logging in programmable logic controllers, human-machine interfaces, and industrial gateways where -40°C to 85°C operation ensures reliability in factory floor environments.
• Automotive Infotainment and Telematics: With 256Gbit capacity, this device provides sufficient storage for navigation databases, media files, and vehicle telemetry data in automotive dashboard systems and connected car applications operating across wide temperature extremes.
• Consumer Electronics: The compact 153-VFBGA package and eMMC 5.1 interface simplify integration into set-top boxes, smart home devices, portable media players, and IoT gateways where the standardized eMMC protocol reduces development complexity and time-to-market.
• Medical Equipment: This flash memory supports persistent storage requirements in portable diagnostic devices, patient monitors, and medical imaging systems where the wide operating temperature range and non-volatile characteristics ensure data integrity during power cycles.
• Embedded Computing Platforms: Single-board computers, COM modules, and embedded system-on-modules benefit from the eMMC interface's built-in wear leveling, bad block management, and ECC algorithms, offloading complexity from the host processor and accelerating product development.

Unique Advantages

• Simplified System Integration: The eMMC 5.1 interface includes integrated flash management algorithms (wear leveling, bad block handling, ECC), eliminating the need for external flash translation layers and reducing firmware development effort compared to raw NAND implementations.
• Reliable Data Retention: Non-volatile TLC NAND flash technology preserves data without power, making this solution ideal for applications requiring boot code storage, configuration data persistence, and event logging that must survive power interruptions.
• Board Space Efficiency: The 11.5mm x 13mm VFBGA package integrates 256Gbit of storage in minimal footprint, enabling compact product designs and freeing board area for additional functionality or size reduction.
• Proven Manufacturer Heritage: ISSI's established position in the memory industry provides supply chain confidence and technical support resources for production programs requiring long-term availability and consistent quality.
• Cost-Effective Density: TLC NAND architecture delivers higher bit density per die compared to SLC or MLC technologies, reducing cost per gigabit while maintaining performance adequate for typical embedded read-intensive workloads.
• Wide Environmental Tolerance: The -40°C to 85°C operating range eliminates the need for thermal management solutions in many industrial and automotive applications, simplifying mechanical design and reducing bill-of-materials costs.

Why Choose IS21TF32G-JCLI?

The IS21TF32G-JCLI addresses the storage requirements of modern embedded systems where design teams need substantial non-volatile memory capacity without the complexity of managing raw NAND flash. The eMMC 5.1 standard interface provides a proven, manufacturer-agnostic integration path that accelerates development while the built-in flash management features reduce validation effort and improve long-term reliability. For industrial, automotive, and consumer applications operating across extended temperature ranges, this device delivers the density, performance, and environmental tolerance required for next-generation embedded designs.

Whether you're designing industrial automation equipment, automotive systems, consumer electronics, or medical devices, the IS21TF32G-JCLI provides a balanced combination of capacity, interface standardization, and operational robustness. The compact package and wide supply voltage range offer additional design flexibility for space-constrained and battery-powered applications.

Get Started with IS21TF32G-JCLI

Contact our technical sales team to discuss your embedded storage requirements, request detailed datasheets, or obtain pricing and availability information for the IS21TF32G-JCLI. Our applications engineers can assist with integration guidance, reference designs, and technical support to help bring your product to market efficiently.