AS4C4M32S-7BCN

The AS4C4M32S-7BCN from Alliance Memory is a 128-megabit synchronous dynamic RAM organized as 4M x 32, delivering fast and reliable volatile memory for embedded systems and computing applications. Built on proven SDRAM technology with a 143MHz clock frequency and 5.4ns access time, this parallel interface memory IC provides the performance and density needed for data-intensive applications operating in commercial temperature ranges.

Key Features

• Memory Configuration - 128Mbit capacity organized as 4M x 32, providing flexible word-wide access for 32-bit data bus architectures.
• High-Speed Performance - 143MHz clock frequency with 5.4ns access time and 2ns write cycle time ensures fast data throughput for time-sensitive applications.
• Power Supply - Operates from a standard 3V to 3.6V supply voltage, compatible with common 3.3V logic levels in embedded systems.
• Compact Package - Available in a space-efficient 90-TFBGA (8x13mm) package, ideal for dense PCB layouts where board space is at a premium.
• Commercial Temperature Range - Rated for 0°C to 70°C ambient operation, suitable for indoor and controlled-environment applications.

Typical Applications

• Embedded Computing Systems - This SDRAM serves as main system memory in microprocessor-based designs where the 32-bit wide data path matches common CPU architectures, enabling efficient program execution and data processing.
• Networking Equipment - Provides packet buffering and routing table storage in switches and routers where the high clock frequency supports wire-speed packet forwarding in commercial network infrastructure.
• Industrial Controllers - Acts as working memory for PLCs and industrial PCs operating in temperature-controlled factory environments, storing process data and control logic with fast read/write access.
• Test and Measurement Instruments - Enables high-speed data acquisition and waveform storage in benchtop equipment where the parallel interface and synchronous operation simplify memory subsystem design.

Unique Advantages

• Simplified System Design: The 32-bit organization eliminates the need for multiple narrower memory devices, reducing component count and simplifying board routing.
• Proven SDRAM Architecture: Leverages mature, well-understood synchronous DRAM technology that offers straightforward controller design and broad ecosystem support.
• Space-Efficient Footprint: The compact 90-TFBGA package delivers 128Mbit density in a small form factor, maximizing available PCB area for other circuitry.
• Active Lifecycle Status: Currently in active production, ensuring reliable supply and long-term availability for ongoing designs and production runs.
• Commercial-Grade Reliability: Designed for 0°C to 70°C operation, providing dependable performance in office, laboratory, and indoor industrial environments.

Why Choose AS4C4M32S-7BCN?

The AS4C4M32S-7BCN is an excellent choice for designs requiring fast, volatile memory with a 32-bit parallel interface. Its 143MHz clock frequency and sub-6ns access time make it well-suited for embedded processors and applications where performance matters, while the commercial temperature rating keeps it ideal for controlled environments. Alliance Memory's focus on memory solutions brings specialized expertise to this SDRAM offering.

For systems built around 32-bit data paths in commercial temperature environments, this SDRAM delivers the capacity, speed, and form factor needed to meet design goals without overcomplicating the memory subsystem.

Get a Quote

Contact our sales team to request pricing, availability, and technical support for the AS4C4M32S-7BCN. We can assist with design-in questions, volume requirements, and integration into your embedded system.