IS46DR16320E-3DBLA2

The IS46DR16320E-3DBLA2 from ISSI is a high-performance 512Mbit DDR2 SDRAM memory device organized as 32M x 16, designed to deliver reliable operation in demanding industrial and automotive environments. This synchronous dynamic RAM combines industry-standard DDR2 architecture with an extended temperature range of -40°C to 105°C, making it an ideal solution for applications where conventional memory components fail to meet environmental requirements. With a 333MHz clock frequency and 1.8V nominal supply voltage, this device balances performance with power efficiency.

Key Features

• High-Density Memory: 512Mbit capacity organized as 32M x 16 provides substantial storage in a compact footprint, reducing board space requirements while meeting memory demands of embedded systems.
• DDR2 SDRAM Architecture: Industry-standard DDR2 technology with 333MHz clock frequency delivers 4.5ns access time and 15ns write cycle time for responsive system performance.
• Extended Temperature Range: Operates reliably from -40°C to 105°C (ambient temperature), ensuring consistent functionality in harsh industrial, automotive underhood, and outdoor equipment installations.
• Low Voltage Operation: 1.7V to 1.9V supply voltage range reduces power consumption and heat generation compared to legacy memory technologies.
• Compact Package: 84-pin TWBGA (Thin Very Fine Ball Grid Array) package measuring 8mm x 12.5mm minimizes PCB footprint and enables high-density board designs.
• Parallel Interface: Standard parallel memory interface simplifies integration with microprocessors, microcontrollers, and FPGAs without requiring specialized controllers.

Typical Applications

• Industrial Automation: This DDR2 SDRAM serves as program memory and data buffers in PLCs, HMI panels, and industrial computers where the extended temperature rating ensures reliable operation on factory floors and in control cabinets exposed to temperature extremes.
• Automotive Electronics: The wide operating temperature range makes this memory suitable for automotive applications including infotainment systems, advanced driver assistance systems (ADAS), and electronic control units (ECUs) that must function reliably in both cold-start conditions and high underhood temperatures.
• Transportation Systems: Rail, marine, and aviation systems benefit from this memory's ability to withstand temperature cycling and extended temperature exposure while maintaining data integrity in navigation, communication, and control equipment.
• Outdoor Equipment: Network infrastructure, outdoor surveillance systems, and environmental monitoring equipment leverage this memory's temperature tolerance to operate reliably in outdoor installations without climate control.
• Medical Devices: Portable and point-of-care medical equipment that may be exposed to varying environmental conditions utilize this memory for data acquisition, signal processing, and image buffering applications.

Unique Advantages

• Reduced System Complexity: Standard DDR2 interface eliminates the need for custom memory controllers or complex initialization routines, accelerating development and reducing validation time.
• Extended Product Lifecycle: Active lifecycle status and proven DDR2 architecture provide long-term availability and design stability for products with multi-year production runs.
• Simplified Thermal Management: Low-voltage operation and efficient power characteristics minimize heat dissipation, allowing simpler cooling solutions and improving overall system reliability.
• Cost-Effective Density: 512Mbit capacity in a single device reduces BOM complexity and assembly costs compared to solutions requiring multiple lower-density components.
• Design Flexibility: Parallel interface compatibility with a wide range of processors and controllers allows this memory to be used across multiple product platforms, reducing qualification costs.
• Environmental Robustness: Temperature tolerance from -40°C to 105°C reduces the need for environmental testing across narrower ranges and provides margin for unexpected thermal conditions.

Why Choose IS46DR16320E-3DBLA2?

The IS46DR16320E-3DBLA2 addresses the critical challenge of memory reliability in temperature-extreme environments without compromising on performance or density. While standard commercial-grade DDR2 devices typically operate only from 0°C to 70°C, this extended-temperature variant maintains full functionality across -40°C to 105°C, making it the right choice for industrial, automotive, and outdoor applications where environmental conditions exceed commercial specifications. The combination of proven DDR2 technology, compact packaging, and wide temperature operation delivers a dependable memory solution that reduces design risk and supports long product lifecycles.

For design engineers developing embedded systems that must operate in challenging thermal environments, this memory device offers the performance characteristics of mainstream DDR2 technology with the environmental resilience required for mission-critical applications. The standard parallel interface and industry-familiar DDR2 architecture minimize integration effort while the extended temperature rating provides the reliability margin essential for industrial-grade designs.

Request a Quote

Contact our sales team to discuss your specific memory requirements, obtain pricing for volume orders, or request technical support for integrating the IS46DR16320E-3DBLA2 into your next design. Our application engineers are available to assist with component selection, layout recommendations, and technical documentation.