AS4C32M16SB-7BINTR

The AS4C32M16SB-7BINTR is a 512Mbit Synchronous Dynamic RAM (SDRAM) integrated circuit from Alliance Memory, Inc. Organized as 32M x 16, this parallel-interface DRAM delivers reliable volatile memory storage for embedded systems requiring moderate density and standard SDRAM timing. With a 143MHz clock frequency and 6ns access time, this device supports applications demanding predictable performance across industrial temperature ranges.

Key Features

• Memory Architecture - 512Mbit capacity organized as 32M x 16-bit words provides flexible data width for 16-bit microcontroller and processor interfaces.
• Performance Specifications - 143MHz clock frequency with 6ns access time and 14ns write cycle time delivers consistent throughput for real-time embedded applications.
• Power Requirements - 3V to 3.6V operating voltage range ensures compatibility with standard 3.3V logic systems and simplifies power supply design.
• Parallel Interface - Direct memory bus connection provides straightforward integration with processors and controllers without protocol overhead.
• Package Format - 54-pin TFBGA (8x8mm) footprint minimizes board space while maintaining reliable solder joints for automated assembly.
• Temperature Range - Industrial -40°C to 85°C operating range ensures stable operation in harsh environmental conditions.

Typical Applications

• Industrial Control Systems - This SDRAM provides program execution space and data buffering for PLCs, motion controllers, and HMI terminals where extended temperature tolerance ensures reliable operation in factory floor environments.
• Networking Equipment - The device serves as packet buffer memory in routers, switches, and gateways where the 32M x 16 organization matches common data path widths and the 143MHz clock supports moderate throughput requirements.
• Automotive Infotainment - This memory supports display buffering and application execution in dashboard systems and rear-seat entertainment units operating across automotive temperature extremes.
• Test and Measurement Instruments - The SDRAM provides waveform capture storage and display memory for oscilloscopes and data loggers where deterministic timing and industrial temperature range are essential.
• Medical Devices - This component supplies working memory for diagnostic equipment and patient monitoring systems where stable performance and compact packaging enable portable instrument designs.

Unique Advantages

• Standard SDRAM Interface: Eliminates the need for complex DDR controller logic, reducing design complexity and time-to-market for cost-sensitive embedded projects.
• Industrial Temperature Qualification: Supports deployment in harsh environments without derating or additional thermal management, improving system reliability.
• Compact FBGA Package: Reduces PCB footprint compared to TSOP alternatives while maintaining compatibility with standard pick-and-place assembly processes.
• Active Lifecycle Status: Ensures long-term availability for products with multi-year production cycles, minimizing redesign risk and supporting stable supply chains.
• 16-Bit Data Width: Matches common processor bus architectures without width conversion logic, simplifying board routing and reducing component count.
• Alliance Memory Source: Provides an alternative to primary DRAM suppliers, supporting diversified sourcing strategies and supply chain resilience.

Why Choose AS4C32M16SB-7BINTR?

This SDRAM is positioned for industrial and embedded applications where designers need proven SDRAM technology with industrial temperature qualification and compact packaging. The 512Mbit density fits systems requiring moderate memory capacity without the cost and complexity of higher-density DDR solutions. The parallel interface and standard SDRAM timing make this device ideal for designs migrating from older memory technologies or new projects prioritizing simplicity over maximum performance.

For applications requiring reliable memory operation across temperature extremes, straightforward integration with existing SDRAM controllers, and long-term availability, the AS4C32M16SB-7BINTR delivers practical value. Its combination of industrial qualification, compact FBGA packaging, and active lifecycle status supports both new designs and production continuity for established products.

Get a Quote

Contact our sales team to discuss your memory requirements and receive pricing for the AS4C32M16SB-7BINTR. We provide technical support, volume pricing, and reliable delivery for your production needs.