AS4C4M32S-6BCN

The AS4C4M32S-6BCN is a 128Mbit synchronous dynamic RAM (SDRAM) from Alliance Memory, Inc., organized as 8M x 16 and operating with LVTTL-compatible logic levels. Built on proven SDRAM technology, this memory IC delivers reliable, cost-effective volatile storage for embedded systems, consumer electronics, and industrial applications requiring moderate density and standard operating temperatures.

With a 166MHz clock frequency and 5.4ns access time, this device provides dependable performance for applications that need fast, synchronized data access. The compact 90-TFBGA package (8x13mm) makes it ideal for space-constrained designs while maintaining robust electrical characteristics.

Key Features

• Memory Core - 128Mbit capacity organized as 8M x 16, providing ample storage for buffering, data processing, and system operation in mid-range embedded applications.
• SDRAM Architecture - Synchronous operation at up to 166MHz clock frequency with 5.4ns access time enables predictable, high-speed data transfers synchronized to system timing.
• LVTTL Interface - Low-voltage TTL-compatible I/O simplifies integration with standard 3.3V logic families commonly found in modern digital systems.
• Power Supply - Single 3V to 3.6V supply voltage reduces power distribution complexity and supports standard 3.3V system architectures.
• Compact Package - 90-pin TFBGA package in an 8x13mm footprint delivers high pin density and minimizes board space requirements for dense PCB layouts.
• Commercial Temperature Range - Operates reliably across 0°C to 70°C ambient temperature, suitable for standard indoor and controlled-environment applications.

Typical Applications

• Consumer Electronics - This SDRAM serves as main or buffer memory in set-top boxes, digital cameras, and home entertainment devices where its 128Mbit capacity and synchronous operation support video processing and user interface responsiveness.
• Embedded Computing - Provides working memory for microcontroller and processor-based systems in commercial equipment, where the LVTTL interface ensures straightforward integration with common MCU and MPU families.
• Networking Equipment - Functions as packet buffer or routing table memory in switches and routers operating in climate-controlled environments, leveraging fast access times to minimize latency in data forwarding.
• Test and Measurement Instruments - Offers temporary data storage for oscilloscopes, data acquisition systems, and analytical equipment where synchronized memory access supports real-time signal processing and waveform capture.
• Office and Printing Equipment - Supports image buffering and document processing in printers, scanners, and multifunction devices where the compact TFBGA package fits space-limited controller boards.

Unique Advantages

• Proven Technology for Lower Risk: SDRAM architecture is mature and well-understood, reducing design uncertainty and accelerating time-to-market compared to adopting newer memory technologies.
• LVTTL Compatibility Simplifies Design: Direct interface with 3.3V logic eliminates the need for level shifters or specialized I/O buffers, reducing component count and board complexity.
• Compact Footprint Saves Board Space: The 90-TFBGA package delivers high I/O density in an 8x13mm footprint, freeing up valuable PCB real estate for additional features or smaller product form factors.
• Single Supply Voltage Reduces Power Complexity: Operating from a single 3V to 3.6V rail simplifies power distribution and reduces the number of voltage regulators required on the board.
• Commercial Temperature Range Lowers Cost: The 0°C to 70°C operating range is optimized for standard indoor applications, offering a cost-effective alternative to industrial or extended-temperature parts where not required.
• Active Lifecycle Status Ensures Availability: With an active lifecycle designation, this part offers dependable supply chain continuity for current and future production runs.

Why Choose AS4C4M32S-6BCN?

The AS4C4M32S-6BCN strikes an optimal balance between density, performance, and footprint for commercial-grade embedded applications. Its 128Mbit capacity addresses the needs of systems requiring more than basic SRAM densities but not demanding the complexity or cost of larger DDR solutions. The synchronous architecture and LVTTL interface align with standard design practices, while the compact TFBGA package supports modern miniaturization trends.

This SDRAM is well-suited for designs where predictable performance, straightforward integration, and cost efficiency are paramount. With Alliance Memory's active support and the device's proven SDRAM foundation, design teams can confidently build products with reliable, long-term availability and consistent electrical characteristics across production lifecycles.

Get a Quote Today

Ready to integrate the AS4C4M32S-6BCN into your next design? Contact our sales team to discuss your volume requirements, receive competitive pricing, and explore technical support options. Our specialists are available to answer questions about specifications, availability, and application guidance to ensure this SDRAM meets your project's unique needs.