AS4C2M32SA-7TCNTR

The AS4C2M32SA-7TCNTR is a 64Mbit Synchronous DRAM (SDRAM) from Alliance Memory, Inc., organized as 2M x 32 bits. This parallel interface SDRAM operates at clock frequencies up to 143MHz with a fast 5.5ns access time, making it ideal for applications requiring high-bandwidth memory access. With a commercial temperature range and industry-standard 86-TSOP II packaging, this DRAM provides reliable volatile memory storage for embedded systems, industrial equipment, and consumer electronics.

Key Features

• 64Mbit Memory Capacity - Organized as 2M x 32 bits, providing ample storage for buffering, temporary data storage, and system memory applications.
• High-Speed Operation - Supports clock frequencies up to 143MHz with 5.5ns access time and 2ns write cycle time for fast read/write operations.
• Standard Parallel Interface - Parallel memory interface simplifies integration with microcontrollers, processors, and FPGA designs.
• 3.3V Operation - Single 3V to 3.6V power supply reduces power consumption and simplifies power distribution design.
• Commercial Temperature Range - Rated for 0°C to 70°C operation, suitable for standard indoor and climate-controlled applications.
• Industry-Standard Package - 86-pin TSOP II package (10.16mm width) offers a proven footprint for PCB layout and manufacturing.

Typical Applications

• Embedded Systems - This SDRAM serves as main system memory or data buffer in embedded controllers and single-board computers where the 2M x 32 organization matches typical 32-bit processor architectures.
• Networking Equipment - The high-speed parallel interface and fast access times make this device well-suited for packet buffering and routing table storage in switches and routers operating in controlled environments.
• Consumer Electronics - Set-top boxes, digital TVs, and multimedia devices benefit from the 64Mbit capacity for framebuffer storage and temporary data handling in 3.3V systems.
• Test and Measurement - Bench instruments and data acquisition systems utilize this SDRAM for waveform storage and high-speed data capture applications where commercial temperature grades are sufficient.
• Point-of-Sale Systems - Retail terminals and payment processing equipment use this memory for transaction buffering and display management in climate-controlled retail environments.

Unique Advantages

• Wide 32-bit Data Bus: Reduces the number of memory devices needed for 32-bit systems, simplifying BOM and board layout.
• Fast Access Performance: 5.5ns access time enables responsive system performance without wait states in many applications.
• Standard SDRAM Architecture: Leverages proven SDRAM technology with broad controller support and straightforward design integration.
• Single Supply Voltage: 3.3V operation eliminates the need for multiple power rails, reducing power supply complexity.
• Active Lifecycle Status: Ongoing availability supports long-term production planning and reduces obsolescence risk.
• Proven Package Type: TSOP II format offers reliable manufacturing yields and established assembly processes.

Why Choose AS4C2M32SA-7TCNTR?

The AS4C2M32SA-7TCNTR delivers reliable SDRAM performance in a standard package that streamlines design and procurement. Its 2M x 32 organization naturally matches 32-bit processor architectures, while the 143MHz clock support and fast access times provide headroom for demanding applications. For engineers designing systems that operate in controlled temperature environments, this component offers a cost-effective memory solution with active lifecycle status to support multi-year production runs.

Whether you're developing networking equipment, embedded controllers, or consumer devices, this SDRAM provides the capacity, speed, and reliability needed for modern digital systems operating on 3.3V power rails.

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Contact our sales team to discuss your memory requirements, request volume pricing, or obtain samples for design evaluation. We're ready to support your project from prototype to production.