IS46DR16320E-25DBLA2

The IS46DR16320E-25DBLA2 is a 512Mbit DDR2 SDRAM memory device from ISSI, Integrated Silicon Solution Inc. Organized as 32M x 16, this parallel interface DRAM delivers reliable data storage and retrieval for embedded systems requiring extended temperature operation. With a 400MHz clock frequency and 4ns access time, it provides robust memory performance for industrial, automotive, and mission-critical applications where standard commercial-grade components cannot operate.

Key Features

• High-Density Memory Architecture - 512Mbit capacity organized as 32M x 16 provides ample storage for embedded applications while maintaining a compact footprint in the 84-TWBGA package.
• DDR2 SDRAM Technology - Double data rate architecture with 400MHz clock frequency enables efficient data transfer with 15ns write cycle time, balancing performance and power consumption for modern embedded designs.
• Extended Temperature Range - Rated for -40°C to 105°C (TA) operation, this memory remains stable and reliable across the full industrial temperature spectrum, supporting deployment in harsh environmental conditions.
• Parallel Interface - Standard parallel memory interface simplifies integration with microprocessors, FPGAs, and embedded controllers without requiring specialized protocol support.
• Low-Voltage Operation - 1.7V to 1.9V supply voltage reduces power consumption and heat generation, critical for battery-powered and thermally constrained applications.
• Compact TFBGA Package - 84-pin TWBGA (8x12.5mm) package minimizes board space requirements while providing reliable solder connections for automated assembly processes.

Typical Applications

• Industrial Control Systems - This DDR2 SDRAM provides working memory for PLCs, industrial computers, and process control equipment where the extended -40°C to 105°C temperature range ensures reliable operation in factory floor and outdoor enclosure installations.
• Automotive Electronics - The memory supports infotainment systems, advanced driver assistance modules, and electronic control units where temperature stability and parallel interface compatibility meet automotive design requirements for data buffering and temporary storage.
• Telecommunications Infrastructure - Base stations, network switches, and routing equipment benefit from the 512Mbit capacity for packet buffering and data handling in environments where equipment operates continuously across wide temperature swings.
• Medical Instrumentation - Diagnostic equipment, imaging systems, and patient monitoring devices utilize this memory for real-time data processing and storage where reliability across operating conditions is essential for accurate medical measurements.
• Test and Measurement Equipment - Oscilloscopes, spectrum analyzers, and automated test systems leverage the fast 4ns access time and 400MHz clock for high-speed data acquisition and waveform storage in laboratory and field environments.

Unique Advantages

• Simplified Thermal Management: Extended temperature rating eliminates the need for additional cooling hardware in industrial enclosures, reducing system complexity and BOM costs.
• Design Flexibility with Standard Interface: Parallel memory architecture enables drop-in compatibility with existing processor and FPGA designs without requiring specialized memory controllers or firmware modifications.
• Reduced Power Budget Impact: Low-voltage operation at 1.7V to 1.9V minimizes power draw and thermal output, allowing higher-density memory configurations without exceeding power supply capacity.
• Board Space Optimization: Compact 84-TWBGA package delivers 512Mbit capacity in minimal footprint, freeing board area for additional functionality or enabling smaller product enclosures.
• Active Lifecycle Status: Current production availability ensures long-term supply for product lifecycles extending multiple years, reducing redesign risk and supporting sustained manufacturing.
• Fast Data Access Performance: 4ns access time and 15ns write cycle enable responsive system behavior for real-time applications requiring low-latency memory transactions.

Why Choose the IS46DR16320E-25DBLA2?

The IS46DR16320E-25DBLA2 is engineered for designs where commercial-grade memory cannot meet environmental requirements. Its extended -40°C to 105°C temperature range positions it as a reliable solution for industrial, automotive, and infrastructure applications that demand consistent performance across challenging operating conditions. Engineers designing for long product lifecycles benefit from active production status and the proven reliability of DDR2 SDRAM technology.

For systems requiring moderate memory capacity with parallel interface compatibility, this 512Mbit device strikes a practical balance between density, performance, and thermal capability. The combination of low-voltage operation and compact packaging enables efficient designs without compromising functionality in space-constrained or power-limited applications.

Request a Quote

Contact our sales team to discuss your memory requirements and receive pricing for the IS46DR16320E-25DBLA2. We provide technical support to help you integrate this extended-temperature DDR2 SDRAM into your embedded system design.