AS4C16M16S-6TINTR

The AS4C16M16S-6TINTR is a 256-megabit synchronous dynamic RAM organized as 16M x 16, manufactured by Alliance Memory. Built on proven SDRAM technology, this parallel-interface memory IC operates at clock frequencies up to 166MHz and supports a wide industrial temperature range from -40°C to 85°C. The device provides reliable, cost-effective volatile memory storage for embedded systems requiring substantial data buffering and processing capabilities.

Key Features

• Memory Architecture - 256Mbit (16M x 16) organization provides flexible word-width configuration optimized for 16-bit data bus systems.
• Performance - 166MHz clock frequency with 5.4ns access time delivers responsive data throughput for real-time applications.
• Power Supply - Single 3V to 3.6V supply voltage simplifies power distribution and reduces system complexity.
• Temperature Range - Industrial-grade -40°C to 85°C operating range ensures reliable performance in harsh environments.
• Package - 54-pin TSOP II package (10.16mm width) offers a space-efficient footprint for PCB layouts.
• Interface - Parallel interface provides straightforward integration with microcontrollers and processors.

Typical Applications

• Industrial Control Systems - This SDRAM serves as working memory for PLCs, motion controllers, and supervisory systems where the extended temperature tolerance ensures consistent operation across factory floor environments.
• Telecommunications Equipment - The device provides packet buffering and data caching in network switches and routers operating in equipment rooms without climate control.
• Automotive Infotainment - With its industrial temperature range, this memory supports display controllers and audio processing systems in vehicle cabin environments subject to temperature extremes.
• Test and Measurement Instruments - The 256Mbit capacity enables data acquisition systems to capture and process measurement samples before transferring to non-volatile storage.
• Embedded Computing Platforms - This SDRAM expands system RAM in single-board computers and industrial PCs running embedded operating systems or real-time control software.

Unique Advantages

• Proven SDRAM Technology: Mature technology offers predictable performance characteristics and broad ecosystem support, reducing design risk.
• Industrial Temperature Qualification: -40°C to 85°C range eliminates the need for active cooling in many industrial deployments, lowering system cost.
• Standard TSOP II Package: Widely adopted package footprint ensures compatibility with existing PCB designs and automated assembly processes.
• Straightforward Parallel Interface: Direct processor bus connection simplifies timing analysis compared to serial memory technologies.
• Single Voltage Supply: 3.3V operation reduces power supply complexity and aligns with common system voltage rails.
• Cost-Effective Memory Solution: SDRAM architecture provides competitive pricing per megabit for applications not requiring DDR performance levels.

Why Choose AS4C16M16S-6TINTR?

The AS4C16M16S-6TINTR is positioned for embedded systems and industrial applications where reliable, moderate-speed volatile memory is required within extended temperature operating conditions. Engineers designing control systems, telecommunications equipment, or automotive electronics will find this SDRAM well-suited to applications where proven technology, industrial temperature rating, and straightforward integration are priorities.

Please note this component carries an Obsolete lifecycle status. While it may remain suitable for legacy system maintenance and repair applications, designers of new products should evaluate current-production alternatives or confirm long-term availability with Alliance Memory before finalizing their designs.

Request a Quote

Contact our sales team for pricing, availability, and technical support for the AS4C16M16S-6TINTR. Our applications engineers can assist with design integration, timing analysis, and PCB layout recommendations to help ensure successful implementation in your system.