AS4C8M32SA-6BINTR

The AS4C8M32SA-6BINTR is a 256-megabit synchronous dynamic random access memory (SDRAM) organized as 8 million words by 32 bits. This high-speed parallel DRAM delivers 166 MHz clock frequency with 5ns access time, making it ideal for embedded systems requiring substantial volatile memory bandwidth. Built on proven SDRAM technology, it provides reliable data storage and retrieval for applications demanding both capacity and performance.

Key Features

• Memory Architecture - 256Mbit capacity organized as 8M x 32, providing flexible addressing for 32-bit data bus systems with efficient memory utilization.
• High-Speed Operation - 166 MHz clock frequency with 5ns access time and 2ns write cycle time enables fast data throughput for timing-critical applications.
• Power Supply - 3V to 3.6V operating voltage range supports standard 3.3V logic systems with tolerance for supply variation.
• Extended Temperature Range - Rated for -40°C to 85°C (TA) ambient operation, suitable for industrial environments with temperature extremes.
• Compact Package - 90-pin TFBGA (8x13mm) footprint maximizes board space efficiency while maintaining robust electrical connectivity.

Typical Applications

• Industrial Control Systems - This SDRAM provides working memory for programmable logic controllers (PLCs) and distributed control systems where the extended temperature rating ensures reliable operation in factory floor environments.
• Embedded Computing - Parallel SDRAM interface supports legacy embedded processors and microcontrollers requiring substantial RAM for data buffering, program execution, and real-time operating systems.
• Telecommunications Equipment - The 256Mbit capacity handles packet buffering and protocol processing in networking equipment where fast access times support line-rate packet forwarding.
• Test and Measurement Instruments - High-speed data capture applications benefit from the SDRAM's burst access capabilities for storing waveforms, sensor readings, and measurement datasets.
• Medical Devices - Industrial temperature rating and stable voltage operation support diagnostic equipment and patient monitoring systems requiring reliable memory performance.

Unique Advantages

• Proven SDRAM Technology: Mature synchronous DRAM architecture offers predictable timing characteristics and broad ecosystem support, simplifying design integration and software development.
• Wide Temperature Operation: -40°C to 85°C rating eliminates need for thermal management in many industrial installations, reducing system complexity and cost.
• Parallel Interface Compatibility: Direct memory bus interface integrates seamlessly with legacy processors and controllers without requiring memory controllers for serial interfaces.
• Space-Efficient TFBGA: Compact 8x13mm ball grid array package reduces PCB footprint compared to larger TSOP packages while improving signal integrity.
• Active Lifecycle Status: Current production availability ensures long-term supply continuity for multi-year product deployments and field service requirements.
• High Data Width: 32-bit parallel organization minimizes memory transaction overhead for processors with matching data bus width, improving effective throughput.

Why Choose AS4C8M32SA-6BINTR?

The AS4C8M32SA-6BINTR addresses the needs of embedded and industrial designs requiring substantial volatile memory with proven synchronous DRAM technology. Its 256Mbit capacity and 32-bit organization suit applications where parallel memory interfaces are already established or where migration from older SDRAM technologies is required. The extended industrial temperature range and compact TFBGA package make it particularly suitable for space-constrained equipment operating in harsh environments.

For designers maintaining legacy platforms or developing new industrial systems with parallel memory architectures, this SDRAM offers a balance of capacity, performance, and environmental robustness backed by active production status from Alliance Memory.

Get a Quote

Contact our sales team to discuss your memory requirements, volume pricing, and delivery options for the AS4C8M32SA-6BINTR. Our technical support can assist with integration guidance and specification verification for your application.