AS4C4M16SA-6TCNTR

The AS4C4M16SA-6TCNTR is a 64-megabit synchronous dynamic random access memory (SDRAM) from Alliance Memory, Inc. Built with volatile DRAM technology and organized as 4M x 16, this memory device operates at a 166MHz clock frequency with a 5.4ns access time. Designed for commercial temperature applications ranging from 0°C to 70°C, it delivers reliable parallel memory performance for embedded systems, computing platforms, and data-intensive applications requiring cost-effective volatile storage.

This SDRAM provides a practical balance of density, speed, and power efficiency for designs where synchronous memory architecture simplifies timing and control while maintaining compatibility with standard SDRAM controllers.

Key Features

• Memory Architecture - 64Mbit capacity organized as 4M x 16, providing flexible addressing options for 16-bit data bus systems.
• Clock Frequency and Access Time - Operates at 166MHz clock frequency with 5.4ns access time, supporting high-bandwidth data transfers for time-sensitive applications.
• Power Supply - Operates on 3V to 3.6V supply voltage, compatible with standard 3.3V logic systems for simplified board design and lower power consumption.
• Interface - Parallel memory interface with standard SDRAM command and control signals for straightforward integration with existing memory controllers.
• Package - Available in 54-pin TSOP II package with 10.16mm width, offering a compact surface-mount footprint suitable for space-constrained designs.
• Operating Temperature - Commercial temperature range of 0°C to 70°C ensures reliable operation in standard indoor and controlled-environment applications.

Typical Applications

• Embedded Computing Systems - Provides main system memory for microprocessor-based designs where the 4M x 16 organization matches common data bus widths and the 166MHz operation supports real-time processing requirements.
• Industrial Controllers - Offers reliable volatile memory for programmable logic controllers and industrial automation equipment operating within the commercial temperature range, where SDRAM synchronous operation simplifies timing design.
• Networking Equipment - Supports packet buffering and data handling in routers, switches, and network appliances where fast access times and parallel interface facilitate high-throughput data processing.
• Consumer Electronics - Delivers cost-effective memory for set-top boxes, digital displays, and multimedia devices where moderate density and standard voltage operation align with typical system requirements.
• Medical Instrumentation - Provides memory storage for diagnostic equipment and medical devices operating in controlled environments where the commercial temperature rating is appropriate and the parallel interface ensures deterministic access patterns.

Unique Advantages

• Standard SDRAM Compatibility: Leverages widely-supported SDRAM protocols and timing, reducing design complexity and enabling reuse of existing controller logic across multiple projects.
• 16-Bit Data Bus Alignment: The 4M x 16 organization matches common microprocessor and microcontroller data bus widths, minimizing glue logic and simplifying memory subsystem design.
• 3.3V Operation for Power Efficiency: Operating within the 3V to 3.6V range reduces overall system power consumption compared to legacy 5V memory while maintaining compatibility with modern low-voltage designs.
• Compact Surface-Mount Package: The 54-TSOP II form factor provides a balance between pin count and board area, supporting automated assembly while conserving PCB real estate in multi-component systems.
• Commercial Temperature Range for Cost Optimization: The 0°C to 70°C operating range addresses the majority of indoor and controlled-environment applications without the cost premium associated with extended or industrial temperature ratings.
• Active Lifecycle Status: Ongoing availability supports new design starts and ensures continuity for production systems requiring long-term component sourcing.

Why Choose AS4C4M16SA-6TCNTR?

The AS4C4M16SA-6TCNTR represents a proven approach to synchronous DRAM integration for systems requiring 64Mbit of volatile memory in a 16-bit parallel configuration. Its 166MHz clock frequency and 5.4ns access time deliver predictable performance for applications where synchronous memory timing simplifies controller design, while the 3.3V operation aligns with contemporary power budgets and logic level standards.

This memory device is well-suited for designs in embedded computing, industrial control, networking, and consumer applications where the commercial temperature range, standard SDRAM architecture, and TSOP II packaging meet functional requirements without over-specification. Alliance Memory's active lifecycle status provides confidence for both new product development and ongoing production continuity.

Get a Quote

Contact our sales team to request pricing, availability, and technical support for the AS4C4M16SA-6TCNTR. Our specialists can assist with memory selection, integration guidance, and volume procurement to meet your project timelines and budget requirements.