AS4C32M16SA-7BCN

The AS4C32M16SA-7BCN from Alliance Memory is a 512Mbit synchronous dynamic RAM (SDRAM) organized as 32M x 16 bits. This parallel-interface memory device operates at clock frequencies up to 143MHz with a 5.4ns access time, making it suitable for embedded systems and industrial applications requiring moderate-speed volatile memory storage. The device operates from a 3V to 3.6V supply and is housed in a compact 54-pin FBGA package.

Key Features

• Memory Configuration - 512Mbit capacity organized as 32M words by 16 bits, providing flexible word-width access for 16-bit data bus architectures.
• Performance Specifications - Supports clock frequencies up to 143MHz with 5.4ns access time and 2ns write cycle time, delivering reliable performance for time-sensitive operations.
• Power Supply - Operates on a standard 3V to 3.6V supply voltage, compatible with common 3.3V logic families and reducing power consumption compared to 5V alternatives.
• Temperature Range - Rated for 0°C to 70°C operating temperature range, suitable for commercial and standard industrial applications.
• Package Format - Available in a space-efficient 54-pin TFBGA (8x8mm) package, minimizing board space requirements in compact designs.
• Interface Type - Parallel SDRAM interface provides straightforward integration with processors and controllers that support standard SDRAM protocols.

Typical Applications

• Embedded Computing Systems - This SDRAM serves as main system memory in embedded controllers and single-board computers where moderate memory bandwidth and density are required for application code and data buffering.
• Industrial Controllers - The 0°C to 70°C operating range makes this device suitable for programmable logic controllers (PLCs) and industrial automation equipment operating in controlled factory environments.
• Network Equipment - The parallel interface and moderate speed support packet buffering and routing table storage in network switches, routers, and communication devices requiring temporary data storage.
• Test and Measurement Instruments - This memory provides data acquisition buffering and waveform storage in oscilloscopes, logic analyzers, and measurement devices where the compact FBGA package saves valuable board space.

Unique Advantages

• Proven SDRAM Architecture: Utilizes well-established synchronous DRAM technology that simplifies design-in with existing SDRAM controllers and memory interfaces.
• Compact Footprint: The 8x8mm FBGA package delivers high memory density in minimal board space, enabling compact product designs.
• Industry-Standard Interface: Parallel SDRAM protocol ensures compatibility with a wide range of processors, FPGAs, and memory controllers without requiring specialized interface logic.
• Moderate Speed Performance: The 143MHz clock frequency and 5.4ns access time provide sufficient bandwidth for applications that don't require cutting-edge performance but need reliable, cost-effective memory.
• 3.3V Operation: Standard 3.3V supply voltage simplifies power supply design and enables direct interface with common logic families.

Why Choose AS4C32M16SA-7BCN?

The AS4C32M16SA-7BCN is positioned for embedded and industrial designs that require reliable 512Mbit SDRAM capacity with a parallel interface. Its 32M x 16 organization aligns well with 16-bit processor architectures, while the 143MHz clock support and 5.4ns access deliver adequate performance for control applications, data buffering, and moderate-throughput processing tasks. The compact FBGA package and 3.3V operation facilitate integration into space-constrained designs with standard power supplies.

Please note that this device carries an Obsolete lifecycle status. Designers should verify availability for new projects and consider contacting Alliance Memory for information on replacement options or remaining inventory before committing to production designs.

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Contact our sales team for pricing, availability information, and technical support on the AS4C32M16SA-7BCN. We can assist with part selection, datasheet review, and design-in considerations for your memory requirements.