AS4C32M16D2A-25BANTR

The AS4C32M16D2A-25BANTR is a 512Mbit DDR2 SDRAM from Alliance Memory, organized as 32M x 16 with a parallel interface. Operating at 400MHz clock frequency with 0.4ns access time, this volatile DRAM delivers reliable memory performance across an extended temperature range of -40°C to 105°C (TC). Ideal for industrial, automotive, and embedded applications requiring robust memory solutions with low power consumption and compact packaging.

Key Features

• DDR2 SDRAM Technology - Double data rate architecture enables high-speed data transfer at 400MHz clock frequency, doubling bandwidth compared to SDR memory while maintaining efficient power usage.
• Memory Organization - 32M x 16 configuration provides 512Mbit total capacity with 16-bit parallel data width, optimizing the balance between density and interface simplicity for embedded designs.
• Access Performance - 0.4ns access time ensures rapid read/write operations with 15ns write cycle time, supporting demanding real-time applications and data-intensive processing tasks.
• Extended Temperature Range - Operates reliably from -40°C to 105°C (case temperature), making it suitable for harsh industrial environments and automotive under-hood applications.
• Low Voltage Operation - 1.7V to 1.9V supply voltage reduces power consumption and heat generation compared to earlier SDRAM generations, extending battery life in portable systems.
• Compact Package - 84-TFBGA package measuring 8mm x 12.5mm minimizes board footprint while providing robust mechanical stability and thermal performance.

Typical Applications

• Industrial Control Systems - This DDR2 SDRAM provides essential working memory for PLCs, industrial PCs, and process control equipment where the extended temperature rating ensures reliable operation in factory floor conditions.
• Automotive Electronics - The wide operating temperature range makes this memory suitable for infotainment systems, instrument clusters, and ADAS modules that must function reliably in extreme vehicle temperatures.
• Networking Equipment - The 400MHz operation and parallel interface support packet buffering and routing tables in switches, routers, and telecommunications infrastructure requiring consistent performance.
• Medical Instrumentation - Provides temporary data storage for diagnostic imaging, patient monitoring, and laboratory analysis systems where data integrity and reliability are critical.
• Embedded Computing - Serves as main system memory in single-board computers, embedded controllers, and edge computing devices requiring compact footprint and industrial temperature tolerance.

Unique Advantages

• Industrial Temperature Rating: The -40°C to 105°C range eliminates the need for additional thermal management in many applications, reducing system cost and complexity.
• Proven DDR2 Technology: Mature technology ensures stable supply availability and established design practices, reducing development risk compared to newer memory technologies.
• Space-Efficient Design: The 84-TFBGA package delivers 512Mbit capacity in just 100mm² footprint, enabling compact product designs without sacrificing memory capacity.
• Power Efficiency: Low voltage operation combined with DDR2 power management features reduces thermal load on system power supplies and extends operational lifetime.
• Alliance Memory Reliability: Backed by a manufacturer focused on long-term product availability for industrial and embedded markets, ensuring supply chain stability.
• Design Flexibility: The 16-bit parallel interface integrates seamlessly with common microprocessors and FPGAs without requiring complex memory controllers.

Why Choose AS4C32M16D2A-25BANTR?

The AS4C32M16D2A-25BANTR addresses the critical needs of industrial and embedded system designers who require dependable memory performance across challenging environmental conditions. Its combination of DDR2 speed, extended temperature tolerance, and compact packaging makes it particularly well-suited for applications where reliability cannot be compromised and board space is at a premium.

For designers building long-lifecycle products, this memory offers the dual benefits of proven technology and a manufacturer committed to sustained availability. The straightforward parallel interface and industry-standard TFBGA package simplify integration while the wide operating voltage range provides margin for varied power supply conditions.

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Contact our sales team to discuss pricing, availability, and technical support for the AS4C32M16D2A-25BANTR. Our experienced engineers can help you evaluate this memory solution for your specific application requirements and provide guidance on integration and design optimization.