AS4C4M16SA-7TCNTR

The AS4C4M16SA-7TCNTR is a 64-megabit synchronous dynamic RAM (SDRAM) from Alliance Memory, organized as 4M x 16 with a parallel interface. Designed for systems requiring reliable volatile memory storage, this SDRAM operates at up to 143MHz and offers 5.4ns access time performance. Ideal for embedded systems, industrial equipment, and consumer electronics applications where fast, cost-effective memory is essential.

Key Features

• Memory Architecture - 64Mbit capacity organized as 4M words x 16 bits, providing flexible addressing for diverse system designs.
• Performance - 143MHz clock frequency with 5.4ns access time ensures responsive operation for time-sensitive applications.
• Power Supply - 3V to 3.6V operating voltage range supports standard low-voltage designs and reduces power consumption.
• Interface - Parallel SDRAM interface provides straightforward integration with microcontrollers, processors, and FPGAs.
• Package - 54-pin TSOP II (10.16mm width) surface-mount package enables compact PCB layouts and automated assembly.
• Temperature Range - 0°C to 70°C operating temperature suits commercial and light industrial environments.

Typical Applications

• Embedded Systems - This SDRAM serves as main memory in microcontroller-based systems where the 4M x 16 organization matches common processor bus widths and the 143MHz speed supports real-time operations.
• Industrial Control - Provides buffer memory for PLCs and data acquisition systems where the commercial temperature range and parallel interface simplify integration with existing control architectures.
• Consumer Electronics - Functions as working memory in set-top boxes, gaming peripherals, and multimedia devices where cost-effective SDRAM balances performance with bill-of-material requirements.
• Networking Equipment - Supports packet buffering and data caching in routers and switches where the 64Mbit capacity handles moderate throughput requirements.
• Test and Measurement - Enables data capture and waveform storage in oscilloscopes and analyzers where the fast access time maintains high sample rates.

Unique Advantages

• Proven SDRAM Technology: Mature synchronous DRAM architecture offers predictable performance and broad ecosystem support for faster time-to-market.
• Standard Parallel Interface: Direct memory bus connection eliminates protocol translation overhead and simplifies firmware development.
• Compact Surface-Mount Package: 54-TSOP II footprint minimizes board space while maintaining reliability in automated manufacturing.
• Wide Voltage Tolerance: 3V to 3.6V range accommodates supply variations and simplifies power management design.
• Active Lifecycle Status: Ongoing availability supports long product lifecycles and reduces obsolescence risk in industrial designs.
• Cost-Effective Density: 64Mbit capacity strikes a balance between cost and capability for applications that don't require high-density memory solutions.

Why Choose AS4C4M16SA-7TCNTR?

The AS4C4M16SA-7TCNTR delivers reliable SDRAM performance for embedded and industrial designs requiring straightforward parallel memory integration. Its 4M x 16 organization aligns naturally with 16-bit processor architectures, while the 143MHz operation and 5.4ns access time provide sufficient speed for real-time control and data buffering applications. The commercial temperature range and standard TSOP II package make this component well-suited for cost-sensitive designs that operate in controlled environments.

Engineers selecting this SDRAM benefit from Alliance Memory's focus on memory solutions for long-lifecycle applications. The active status ensures availability for production planning, while the mature SDRAM technology reduces integration risk compared to emerging memory architectures. This component serves designs that prioritize proven performance, supply continuity, and straightforward implementation over cutting-edge density or specialized features.

Request a Quote

Contact our sales team to discuss pricing, lead times, and volume availability for the AS4C4M16SA-7TCNTR. Our technical support staff can also assist with integration questions and provide additional documentation to support your design process.