AS4C8M16SA-6TCNTR

The AS4C8M16SA-6TCNTR from Alliance Memory is a 128Mbit synchronous dynamic random access memory (SDRAM) organized as 8M x 16. This high-performance parallel interface memory IC operates at 166MHz clock frequency with 5ns access time, making it well-suited for applications requiring fast, cost-effective volatile memory. With commercial temperature range operation and industry-standard 54-TSOP II packaging, this SDRAM provides reliable temporary data storage for embedded systems and computing platforms.

Key Features

• Memory Organization: 128Mbit capacity configured as 8M x 16, providing flexible data path width for various system architectures.
• High-Speed Operation: 166MHz clock frequency with 5ns access time and 12ns write cycle time enables rapid data throughput for demanding applications.
• Standard SDRAM Technology: Volatile synchronous DRAM architecture delivers predictable timing and straightforward integration with standard memory controllers.
• Parallel Interface: Direct parallel bus connectivity simplifies interfacing with microprocessors, FPGAs, and other digital logic without requiring serial protocol overhead.
• Power Supply: Operates from 3V to 3.6V supply voltage, compatible with common 3.3V system power rails.
• Commercial Temperature Range: Rated for 0°C to 70°C ambient operation, suitable for standard indoor commercial and consumer environments.
• Industry-Standard Package: Available in 54-pin TSOP II (10.16mm width) surface-mount package for compact PCB footprint and automated assembly.

Typical Applications

• Embedded Computing Platforms: This SDRAM serves as main system memory in embedded single-board computers and industrial controllers where the 128Mbit capacity and 166MHz speed support real-time operating systems and application code execution.
• Set-Top Boxes and Media Players: The memory provides buffer storage for video decoding and menu systems in consumer electronics devices operating in controlled temperature environments.
• Network Equipment: Routers and switches utilize this SDRAM for packet buffering and routing table storage where the parallel interface offers low-latency access to forwarding information.
• Point-of-Sale Terminals: Commercial POS systems employ this memory for transaction processing and user interface rendering in retail environments within the 0°C to 70°C operating range.
• Test and Measurement Instruments: Laboratory equipment uses this SDRAM for waveform capture buffering and data logging where the high-speed access supports real-time signal processing.

Unique Advantages

• Proven SDRAM Architecture: Leverages mature, well-understood synchronous DRAM technology that simplifies design validation and reduces integration risk compared to newer memory types.
• Standard Footprint Compatibility: The 54-TSOP II package follows industry-standard pinout conventions, enabling drop-in replacement scenarios and second-sourcing flexibility.
• Cost-Effective Volatile Storage: SDRAM technology offers lower cost per bit compared to SRAM while maintaining adequate performance for applications that can tolerate refresh requirements.
• Simplified Controller Integration: Parallel interface and standard SDRAM timing specifications work with widely available memory controller IP and legacy chipsets without custom protocol development.
• Wide Voltage Tolerance: The 3V to 3.6V supply range accommodates voltage variations in 3.3V systems and allows operation at slightly reduced voltages for power-sensitive applications.
• Active Lifecycle Status: Currently in active production, ensuring ongoing availability for new designs and long-term product support.

Why Choose AS4C8M16SA-6TCNTR?

This SDRAM offers a balance of capacity, speed, and cost for commercial-grade embedded systems requiring volatile memory. The 128Mbit density provides sufficient workspace for embedded operating systems and application data while the 166MHz operation supports real-time processing requirements. Engineers designing products for commercial temperature environments will find the standard TSOP II package and parallel interface simplify PCB layout and procurement compared to specialized memory solutions.

For applications where proven technology and cost efficiency outweigh the need for extended temperature ranges or advanced features, the AS4C8M16SA-6TCNTR delivers reliable performance using an industry-standard memory architecture backed by Alliance Memory's ongoing production commitment.

Get Started

Contact our sales team to request pricing and availability for the AS4C8M16SA-6TCNTR. Our technical support staff can assist with integration questions, design considerations, and documentation to help you evaluate this SDRAM for your next embedded system project.