AS4C8M32SA-7BCN

The AS4C8M32SA-7BCN is a 256Mbit (8M x 32) synchronous DRAM from Alliance Memory, Inc. Built on proven SDRAM technology, this volatile memory device operates at 143MHz clock frequency with 5.4ns access time. Designed for commercial temperature applications requiring high-speed parallel memory, the AS4C8M32SA-7BCN delivers reliable performance in embedded systems, consumer electronics, and computing applications.

Key Features

• Memory Architecture - 256Mbit SDRAM organized as 8M x 32, providing a wide 32-bit data interface for efficient parallel data transfer.
• Performance - 143MHz clock frequency with 5.4ns access time and 2ns write cycle time, enabling fast read and write operations for data-intensive applications.
• Power Supply - Operates on standard 3V to 3.6V supply voltage, compatible with common system power rails.
• Package - Compact 90-pin TFBGA (8mm x 13mm) package optimizes board space utilization while providing robust parallel memory interface.
• Operating Temperature - Commercial temperature range of 0°C to 70°C (TA) suits standard indoor and climate-controlled environments.

Typical Applications

• Embedded Computing Systems - This SDRAM serves as system memory in embedded controllers and processors where the 32-bit wide interface matches common CPU architectures for efficient data throughput.
• Consumer Electronics - The device provides working memory for set-top boxes, digital displays, and multimedia devices where fast synchronous access supports real-time data processing and buffering.
• Networking Equipment - In routers and switches operating within controlled environments, this SDRAM buffers packet data and routing tables with rapid access times to maintain network performance.
• Test and Measurement Instruments - The parallel interface and high-speed access make this memory suitable for data acquisition systems that capture and buffer measurement data before processing or storage.

Unique Advantages

• Wide Data Interface: The 32-bit organization reduces the number of memory devices needed compared to narrower configurations, simplifying PCB routing and reducing BOM costs.
• Synchronous Architecture: SDRAM timing synchronized to system clock eliminates complex timing calculations and simplifies controller design versus asynchronous DRAM.
• Compact Footprint: The 90-TFBGA package delivers high pin density in an 8mm x 13mm footprint, maximizing memory capacity per square millimeter of board space.
• Standard Voltage Operation: 3V to 3.6V supply voltage aligns with common system power designs, avoiding the need for additional voltage regulators.
• Active Lifecycle Status: Current production availability ensures long-term supply continuity for product lifecycles and field service requirements.

Why Choose AS4C8M32SA-7BCN?

The AS4C8M32SA-7BCN offers a proven SDRAM solution for designs requiring 256Mbit of high-speed volatile memory with a wide parallel interface. The combination of 143MHz operation, 5.4ns access time, and 32-bit organization provides the performance headroom needed for real-time data processing while the compact TFBGA package supports dense board layouts. Engineers working on commercial temperature applications will appreciate the straightforward synchronous interface and standard 3V operation.

With active production status from Alliance Memory, Inc., this device provides supply chain stability for both new designs and legacy product support. The AS4C8M32SA-7BCN represents a reliable memory building block for systems where fast parallel data access and compact packaging are design priorities.

Get a Quote

For pricing, availability, and technical support on the AS4C8M32SA-7BCN, please contact our sales team. We can assist with volume pricing, lead times, and application-specific questions to help you integrate this SDRAM into your design.