AS4C4M16SA-6TCN

The AS4C4M16SA-6TCN from Alliance Memory is a 64Mbit Synchronous DRAM (SDRAM) organized as 4M x 16 bits. This parallel interface memory device delivers reliable data storage with a 166MHz clock frequency and 5.4ns access time, making it suitable for embedded systems and industrial applications requiring fast, deterministic memory access.

Operating from a standard 3V to 3.6V supply voltage, this SDRAM provides an efficient memory solution in a compact 54-TSOP II surface mount package for space-constrained designs.

Key Features

• Memory Configuration - 64Mbit capacity organized as 4M x 16 bits, providing 16-bit wide data access for efficient parallel data transfers.
• High-Speed Operation - 166MHz clock frequency with 5.4ns access time enables fast read and write cycles for demanding applications.
• Low Voltage Operation - 3V to 3.6V supply voltage range reduces power consumption while maintaining compatibility with common embedded system voltage rails.
• Commercial Temperature Range - Operates reliably from 0°C to 70°C (TA), suitable for indoor and controlled environment applications.
• Industry-Standard Package - 54-TSOP II (0.400", 10.16mm width) package provides a proven footprint compatible with standard PCB layouts.
• Parallel Interface - Standard parallel memory interface simplifies integration with microcontrollers, FPGAs, and processors.

Typical Applications

• Embedded Computing Systems - This SDRAM serves as main system memory for embedded processors and microcontrollers, providing the fast access times needed for real-time data processing and program execution.
• Industrial Control Equipment - The 64Mbit capacity and reliable operation make this memory suitable for PLCs, HMI displays, and automation controllers that require consistent performance in controlled industrial environments.
• Networking Equipment - Routers, switches, and network appliances benefit from the high bandwidth parallel interface for packet buffering and routing table storage.
• Consumer Electronics - Set-top boxes, media players, and smart home devices can utilize this SDRAM for video buffering and application data storage.

Unique Advantages

• Drop-in Compatibility: The 54-TSOP II package and standard SDRAM pinout enable straightforward replacement of equivalent memory devices from other manufacturers.
• Simplified Power Design: Single 3.3V nominal supply voltage eliminates the need for multiple voltage rails, reducing BOM complexity and board space.
• Reliable Long-Term Supply: Alliance Memory specializes in providing continuity for memory products, supporting extended product lifecycles for industrial and embedded applications.
• Fast Integration: Standard SDRAM timing parameters and interface specifications allow engineers to leverage existing controller IP and reference designs.
• Active Lifecycle Status: Currently in active production, ensuring availability for new designs and ongoing production requirements.

Why Choose the AS4C4M16SA-6TCN?

The AS4C4M16SA-6TCN offers a balanced combination of capacity, speed, and package efficiency for designs requiring 64Mbit of SDRAM. With its 166MHz operation, 5.4ns access time, and wide 16-bit data bus, this device delivers the memory bandwidth needed for embedded computing, industrial control, and networking applications.

Engineers seeking a reliable, readily available SDRAM solution will find this device well-suited for both new designs and as a second source for existing products. The commercial temperature range and standard package ensure broad compatibility across typical operating environments.

Call to Action

Contact our sales team to request a quote or discuss volume pricing for the AS4C4M16SA-6TCN. Our technical support staff can assist with design-in questions and provide samples for evaluation.