AS4C16M16SA-6TAN

The AS4C16M16SA-6TAN is a 256Mbit synchronous DRAM from Alliance Memory, organized as 16M x 16 bits. This automotive-qualified SDRAM delivers high-speed parallel memory performance with AEC-Q100 certification, making it suitable for demanding automotive and industrial applications.

Operating across an extended temperature range of -40°C to 105°C, this device provides reliable memory storage in harsh environmental conditions while maintaining 166MHz clock frequency operation and 5ns access time.

Key Features

• Memory Architecture - 256Mbit capacity organized as 16M x 16, providing efficient data width for 16-bit processor interfaces and reducing pin count compared to narrower configurations.
• High-Speed Performance - 166MHz clock frequency with 5ns access time enables fast data transfers for time-critical automotive applications.
• Automotive Qualification - AEC-Q100 certified for automotive-grade reliability, ensuring consistent performance in vehicle electronics and safety-critical systems.
• Extended Temperature Range - Operates from -40°C to 105°C (TA), supporting under-hood and other elevated temperature environments.
• Standard Voltage Operation - 3V to 3.6V supply voltage provides compatibility with common automotive power rails.
• Industry-Standard Package - 54-TSOP II (10.16mm width) package enables straightforward PCB design and second-source options.

Typical Applications

• Automotive Infotainment Systems - This SDRAM provides the memory bandwidth and capacity needed for navigation displays, instrument clusters, and multimedia processors where AEC-Q100 qualification ensures reliability throughout the vehicle's lifetime.
• Advanced Driver Assistance Systems (ADAS) - The 166MHz clock frequency and 5ns access time support real-time image processing and sensor fusion applications where data must be buffered and processed quickly.
• Industrial Control Systems - The extended temperature range allows deployment in factory automation equipment, PLCs, and HMI panels operating in harsh industrial environments.
• Telematics and Vehicle Connectivity - Provides reliable data buffering for cellular modems, GPS modules, and vehicle-to-everything (V2X) communication systems.

Unique Advantages

• AEC-Q100 Automotive Certification: Pre-qualified for automotive use, reducing validation time and risk when designing vehicle electronics.
• Wide Operating Temperature: -40°C to 105°C range eliminates the need for active thermal management in many under-hood and cabin applications.
• 16-Bit Data Width: Native 16-bit interface simplifies memory controller design and reduces trace routing complexity compared to x8 or x4 configurations.
• Long-Term Availability: Alliance Memory specializes in long-lifecycle memory products, supporting automotive production timelines that span years or decades.
• Drop-In Compatibility: Industry-standard 54-TSOP II footprint enables flexible sourcing and straightforward design migration.

Why Choose AS4C16M16SA-6TAN?

The AS4C16M16SA-6TAN is engineered for engineers and procurement teams who require automotive-grade memory with proven reliability. Its AEC-Q100 qualification and extended temperature operation make it an excellent choice for vehicle electronics, industrial automation, and other applications where consistent performance under thermal stress is essential.

With its combination of 256Mbit density, 166MHz speed, and industry-standard packaging, this SDRAM provides a reliable memory solution backed by Alliance Memory's commitment to long-term product availability.

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Contact our sales team for pricing, availability, and technical support. We can provide samples, volume quotes, and assistance with your memory design requirements.