AS4C2M32S-7TCN

The AS4C2M32S-7TCN from Alliance Memory is a 64-megabit synchronous dynamic random-access memory (SDRAM) configured as 2M x 32. This parallel interface DRAM provides high-speed data access with 5.5ns access time and operates at clock frequencies up to 143MHz. Ideal for embedded systems requiring cost-effective volatile memory storage, this device offers reliable performance in commercial temperature environments.

Key Features

• Memory Architecture - 64Mbit capacity organized as 2M x 32, providing flexible memory configurations for various system designs.
• High-Speed Operation - 143MHz clock frequency with 5.5ns access time enables fast read and write operations for time-sensitive applications.
• Parallel Interface - Direct parallel bus connection simplifies integration with processors and controllers without requiring complex serial protocols.
• Standard Voltage - 3V to 3.6V supply voltage compatible with common embedded system power rails.
• Compact Package - 86-pin TSOP II package (10.16mm width) optimizes board space while maintaining standard footprint compatibility.

Typical Applications

• Embedded Computing Systems - This SDRAM provides program execution space and data buffering for microcontrollers and processors in commercial equipment where the 0°C to 70°C operating range meets environmental requirements.
• Consumer Electronics - The device serves as main memory or display buffer in set-top boxes, digital displays, and multimedia devices where parallel bus architecture simplifies system design.
• Networking Equipment - This memory supports packet buffering and routing table storage in commercial-grade switches and routers operating in controlled environments.
• Test and Measurement Instruments - The SDRAM provides data capture and waveform storage in benchtop analyzers and test equipment where fast access times enable real-time data processing.

Unique Advantages

• Proven SDRAM Technology: Leverages mature synchronous DRAM architecture for predictable performance and simplified design integration.
• Wide Parallel Bus: 32-bit data path enables high bandwidth data transfers without the complexity of serial memory interfaces.
• Cost-Effective Memory Solution: Provides adequate capacity for many embedded applications at a competitive price point compared to specialized memory types.
• Standard Footprint: TSOP II package uses industry-standard pinout for compatibility with existing PCB layouts and socket adapters.

Why Choose AS4C2M32S-7TCN?

The AS4C2M32S-7TCN offers a straightforward memory solution for embedded designs requiring parallel SDRAM in commercial operating conditions. Its 2M x 32 organization provides flexibility for various system architectures, while the 143MHz operating frequency supports moderate-speed applications. The standard TSOP II package facilitates both automated assembly and potential socket-based replacement strategies.

This device is particularly well-suited for commercial equipment designs where the 0°C to 70°C temperature range is acceptable and where parallel bus architecture aligns with processor or controller interfaces. Note: This part carries an Obsolete lifecycle status; designers should verify long-term availability for new designs and consider migration planning.

Request a Quote

Contact our sales team to discuss availability, pricing for volume orders, and technical support for integrating the AS4C2M32S-7TCN into your design. Our application engineers can assist with memory configuration, timing parameters, and compatibility verification.