AS4C8M32SA-6BIN

The AS4C8M32SA-6BIN is a 256Mbit Synchronous Dynamic RAM (SDRAM) from Alliance Memory configured as 8M x 32-bit words. Built on proven SDRAM technology, this device operates at clock frequencies up to 166MHz with a fast 5ns access time. It is designed for embedded systems, industrial equipment, and networking applications where parallel memory interface, extended temperature range, and compact footprint are essential requirements.

Key Features

• Memory Core - 256Mbit capacity organized as 8M x 32-bit words, providing efficient data storage for 32-bit processors and controllers.
• Performance - Operates at 166MHz clock frequency with 5ns access time and 2ns write cycle time for responsive system performance.
• Power Supply - 3V to 3.6V operation compatible with standard 3.3V logic systems, simplifying power distribution design.
• Interface - Parallel interface with synchronous clocking for straightforward integration with processors, FPGAs, and ASICs.
• Operating Temperature - Industrial temperature range of -40°C to 85°C supports deployment in harsh environmental conditions.
• Package - 90-pin TFBGA (8mm x 13mm) provides space-efficient board layout with minimal PCB footprint.

Typical Applications

• Industrial Automation - This SDRAM provides working memory for programmable logic controllers (PLCs) and human-machine interfaces (HMIs) where the extended temperature tolerance ensures reliable operation in factory floor environments with temperature fluctuations.
• Embedded Computing Systems - The 32-bit organization matches processor bus widths in embedded designs, reducing glue logic and enabling efficient memory subsystem implementation for data buffering and program execution.
• Networking Equipment - Serves as packet buffer memory in routers, switches, and communication devices where the synchronous interface synchronizes with system clocks for deterministic data handling.
• Test and Measurement Instruments - Provides data acquisition buffering in oscilloscopes and analyzers where fast access times support high-speed sampling and the industrial temperature range ensures measurement accuracy across operating conditions.
• Medical Devices - Functions as system memory in diagnostic equipment and patient monitors where reliability and stable operation over temperature are critical for consistent device performance.

Unique Advantages

• Industrial Temperature Qualification: The -40°C to 85°C range eliminates the need for additional thermal management in many industrial environments, reducing system cost and complexity.
• 32-Bit Native Organization: Direct alignment with 32-bit processors minimizes interface logic and board routing, simplifying PCB design and reducing component count.
• Compact TFBGA Footprint: The 8mm x 13mm package conserves valuable board space in space-constrained embedded designs while maintaining reliable ball-grid-array connectivity.
• Standard 3.3V Operation: Compatibility with common 3.3V logic families eliminates voltage level translation, reducing power supply requirements and improving signal integrity.
• Proven SDRAM Technology: Mature synchronous DRAM architecture provides predictable timing characteristics and well-established design support, accelerating development cycles.
• Alliance Memory Support: Backed by a manufacturer focused on long-term availability for industrial and embedded markets, reducing obsolescence risk in long lifecycle products.

Why Choose AS4C8M32SA-6BIN?

The AS4C8M32SA-6BIN is positioned for embedded and industrial designs requiring reliable parallel memory with extended temperature operation. Its 32-bit organization provides an efficient match for modern embedded processors, while the 166MHz operating frequency and 5ns access support real-time processing requirements. The compact TFBGA package and industrial temperature range make this device particularly suitable for space-constrained applications deployed in challenging environmental conditions.

For design engineers working on long-lifecycle products, the AS4C8M32SA-6BIN offers a balance of proven technology, industrial-grade specifications, and long-term availability support that reduces risk in production systems expected to operate for years in the field.

Get Started

Contact our sales team to request a quote for the AS4C8M32SA-6BIN or to discuss your specific memory requirements. Our technical support can assist with integration guidance, timing analysis, and sample requests to help accelerate your design process.