AS4C8M16SA-6TCN

The AS4C8M16SA-6TCN is a 128Mbit synchronous DRAM (SDRAM) from Alliance Memory, organized as 8M x 16 bits. This parallel-interface memory device operates at clock frequencies up to 166MHz with 5ns access time, making it suitable for applications requiring high-bandwidth volatile memory storage.

Housed in a 54-pin TSOP II package with 10.16mm width, this SDRAM operates from a 3V to 3.6V supply voltage and is designed for commercial temperature range applications from 0°C to 70°C.

Key Features

• Memory Capacity and Organization - 128Mbit total capacity organized as 8M x 16, providing a 16-bit wide data bus for efficient parallel data transfers.
• High-Speed Performance - Supports clock frequencies up to 166MHz with 5ns access time, enabling high-throughput memory operations for demanding applications.
• Low Voltage Operation - Operates from 3V to 3.6V supply voltage, compatible with standard 3.3V system designs while reducing power consumption compared to 5V alternatives.
• Industry-Standard Package - 54-TSOP II package (0.400", 10.16mm width) provides a widely-supported footprint for straightforward PCB layout and second-sourcing options.
• Write Cycle Performance - 12ns write cycle time enables rapid sequential write operations for data-intensive applications.

Typical Applications

• Embedded Systems - This SDRAM serves as main memory or frame buffer in embedded processors and SoCs, where its 8M x 16 organization simplifies memory interface design and provides sufficient capacity for operating system and application code storage.
• Networking Equipment - The 166MHz clock speed and parallel interface support packet buffering and routing table storage in switches, routers, and network interface controllers requiring fast, temporary data storage.
• Consumer Electronics - Set-top boxes, digital media players, and display controllers benefit from the 128Mbit capacity for video buffering and application memory at commercial operating temperatures.
• Industrial Control Systems - PLCs and HMI displays utilize this SDRAM for program execution memory and display buffering, with the 0°C to 70°C operating range covering typical indoor industrial environments.

Unique Advantages

• Pin-Compatible Second Source: Alliance Memory's SDRAM products are designed as drop-in replacements for legacy devices, reducing supply chain risk and enabling multi-vendor sourcing strategies.
• Optimized Price-Performance: The 128Mbit density in a mature SDRAM technology provides cost-effective memory for applications where DDR-class speeds are not required.
• Simplified Board Design: The parallel SDRAM interface eliminates the signal integrity complexities of high-speed serial memory interfaces, reducing layer count and layout constraints.
• Active Lifecycle Status: Currently in active production, ensuring long-term availability for designs requiring extended product lifecycles.
• Standard Voltage Compatibility: The 3V to 3.6V operating range aligns with common 3.3V logic levels, eliminating the need for level shifters in most system designs.

Why Choose AS4C8M16SA-6TCN?

The AS4C8M16SA-6TCN offers a reliable, cost-effective solution for designs requiring moderate-capacity volatile memory with straightforward integration. Its 166MHz operation and 5ns access time deliver sufficient performance for embedded applications without the complexity of DDR memory interfaces.

For engineers seeking a mature, well-characterized SDRAM with active production status and proven compatibility, the AS4C8M16SA-6TCN provides the stability and availability needed for production-focused designs.

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Contact our sales team for pricing, availability, and technical support for the AS4C8M16SA-6TCN and other Alliance Memory products. Our specialists can assist with volume requirements and help identify the optimal memory solution for your application.