AS4C4M16S-7TCNTR

The AS4C4M16S-7TCNTR from Alliance Memory is a 64-megabit synchronous dynamic random-access memory (SDRAM) organized as 4M x 16. This SDRAM solution provides reliable volatile memory storage for embedded systems requiring moderate density with a wide 16-bit parallel data path. Operating at clock frequencies up to 143MHz with 5.4ns access time, it delivers dependable performance for applications requiring fast synchronous memory access with straightforward parallel interfacing.

Key Features

• Memory Architecture - 64Mbit capacity organized as 4M x 16, providing efficient 16-bit wide data access for parallel bus architectures.
• Synchronous Operation - SDRAM technology with 143MHz maximum clock frequency and 5.4ns access time ensures coordinated data transfers synchronized to system clock.
• Power Supply - Standard 3V to 3.6V supply voltage range simplifies integration with common 3.3V logic systems.
• Operating Temperature - Commercial temperature range of 0°C to 70°C suits standard industrial and consumer applications.
• Package Format - 54-pin TSOP II package in 10.16mm width provides industry-standard footprint for PCB integration.

Typical Applications

• Embedded Controllers - This SDRAM provides working memory for microcontroller-based systems where the 4M x 16 organization matches common embedded bus widths and the parallel interface simplifies hardware design.
• Data Acquisition Systems - The synchronous operation and 143MHz clock support enable buffering of incoming data streams in test and measurement equipment where deterministic timing is essential.
• Consumer Electronics - Commercial temperature range and standard voltage levels make this memory suitable for set-top boxes, printers, and home appliances operating in controlled indoor environments.
• Communications Equipment - The parallel interface and moderate density support packet buffering and data processing in networking devices operating within commercial temperature specifications.

Unique Advantages

• Standard Parallel Interface: Eliminates complex serial protocol requirements, reducing firmware complexity and accelerating time-to-market for embedded designs.
• Proven SDRAM Technology: Well-established architecture provides reliable volatile memory with extensive industry support and design tools.
• Compact 54-TSOP II Package: Industry-standard footprint enables drop-in replacement scenarios and simplifies PCB layout with proven thermal characteristics.
• 3.3V Operation: Matches common system voltage rails, reducing power supply complexity and minimizing level-shifting requirements.
• 4M x 16 Organization: Aligns naturally with 16-bit processor architectures, optimizing bus utilization and reducing access complexity.

Why Choose AS4C4M16S-7TCNTR?

The AS4C4M16S-7TCNTR offers a straightforward SDRAM solution for commercial applications requiring moderate memory density with parallel interfacing. Its 64Mbit capacity and 16-bit organization suit embedded systems where synchronous memory access and standard voltage operation simplify system design. The TSOP II package provides a compact, industry-proven form factor.

Note: This product has a lifecycle status of Obsolete. For new designs, we recommend consulting with Alliance Memory regarding current-generation alternatives with similar specifications and enhanced long-term availability.

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Contact our sales team to discuss pricing, availability, and alternative solutions for your memory requirements. We can help you evaluate current-generation options that match your design specifications while ensuring long-term supply chain stability.