IS21EF04GP-JQLI-TR

The IS21EF04GP-JQLI-TR is a 4GB pseudo-Single Level Cell (pSLC) NAND flash memory device from ISSI, Integrated Silicon Solution Inc. Built on advanced NAND flash technology, this non-volatile memory solution delivers enhanced reliability and endurance compared to standard MLC or TLC NAND. With its eMMC 5.1 interface supporting clock frequencies up to 200MHz, the device provides high-speed data transfer for embedded applications. The wide operating temperature range of -40°C to 85°C makes it suitable for industrial and harsh environment deployments where data retention and system reliability are critical.

Organized as 4G x 8-bit architecture and housed in a compact 100-ball LFBGA package (14x18mm), this memory device combines significant storage capacity with space-efficient design. The eMMC standard interface simplifies integration by providing a managed flash solution with built-in controller functionality, reducing host processor overhead and accelerating time-to-market for embedded system designs.

Key Features

• 4GB pSLC NAND Flash Technology - Pseudo-Single Level Cell architecture provides superior endurance and data retention compared to multi-level cell technologies, extending product lifespan in write-intensive applications.
• eMMC 5.1 Interface - Standardized embedded MultiMediaCard interface with clock speeds up to 200MHz enables high-speed sequential and random data access while simplifying host system design through integrated controller functionality.
• Industrial Temperature Range - Qualified for -40°C to 85°C ambient operation, ensuring reliable performance in automotive, industrial control, and outdoor equipment applications.
• Compact 100-LFBGA Package - Low-profile 14x18mm ball grid array footprint minimizes PCB space requirements in space-constrained embedded designs.
• Wide Voltage Supply Range - Operates across 2.7V to 3.6V supply voltage, providing flexibility for different system power architectures and enabling compatibility with 3.3V and lower-voltage logic families.
• 4G x 8 Memory Organization - Byte-wide data interface simplifies addressing and data management in embedded processors and microcontrollers.

Typical Applications

• Industrial Automation and Control - The extended temperature tolerance and pSLC endurance make this memory ideal for programmable logic controllers (PLCs), human-machine interfaces (HMIs), and distributed control systems that require reliable data logging and firmware storage in factory floor environments.
• Automotive Infotainment and Telematics - The wide operating temperature range supports in-vehicle applications including navigation systems, digital instrument clusters, and telematics modules where consistent performance across extreme temperature variations is essential.
• Embedded Computing Platforms - The eMMC 5.1 interface and compact package enable integration into single-board computers, edge computing devices, and IoT gateways that need managed flash storage with minimal host processor involvement.
• Medical and Healthcare Equipment - The reliability of pSLC technology supports medical devices requiring long-term data retention for patient records, diagnostic logs, and embedded operating systems in both stationary and portable equipment.
• Transportation and Railway Systems - Industrial temperature qualification and enhanced endurance characteristics make this memory suitable for rolling stock controls, signaling systems, and passenger information displays exposed to challenging environmental conditions.

Unique Advantages

• Reduced System Complexity: The integrated eMMC controller eliminates the need for external flash management software, reducing development time and lowering host processor resource requirements.
• Extended Product Lifecycle: pSLC NAND technology delivers significantly higher program/erase cycle endurance than MLC or TLC alternatives, minimizing warranty costs and field failures in write-intensive applications.
• Design Flexibility with Temperature Margin: The -40°C to 85°C operating range provides thermal headroom for systems deployed in uncontrolled environments without requiring active cooling solutions.
• Simplified BOM Management: The standardized eMMC interface allows for easy second-sourcing and capacity scaling across product generations without major hardware or software redesign.
• Space-Efficient Storage Density: 4GB capacity in a compact 14x18mm package maximizes storage while minimizing board area consumption, reducing overall system cost and enabling smaller form factors.
• Broad Voltage Compatibility: Support for 2.7V to 3.6V operation enables integration across diverse system architectures from legacy 3.3V designs to modern low-power platforms.

Why Choose IS21EF04GP-JQLI-TR?

The IS21EF04GP-JQLI-TR delivers a robust managed flash storage solution for embedded systems requiring industrial-grade reliability, extended temperature performance, and long product lifecycles. Its pSLC NAND architecture offers exceptional endurance characteristics that reduce total cost of ownership in applications with frequent data updates, while the eMMC 5.1 interface accelerates development by providing a turnkey storage solution with minimal integration effort.

This memory device is particularly well-suited for industrial, automotive, medical, and transportation applications where environmental stress, data integrity, and field longevity are paramount design considerations. The combination of proven NAND flash technology, compact packaging, and standardized interface makes the IS21EF04GP-JQLI-TR an efficient choice for engineering teams seeking to balance performance, reliability, and design simplicity.

Get Started with IS21EF04GP-JQLI-TR

Contact our sales team to discuss your embedded storage requirements and request a quote for the IS21EF04GP-JQLI-TR. Our technical support engineers can provide design guidance, reference schematics, and integration assistance to help optimize this memory solution for your specific application.