AS4C4M16S-7TCN

The AS4C4M16S-7TCN from Alliance Memory is a 64-megabit synchronous dynamic RAM organized as 4M x 16. This parallel SDRAM operates at a 143 MHz clock frequency with a 5.4 ns access time, delivering fast and reliable memory performance for embedded systems, industrial equipment, and legacy system upgrades. With a voltage supply range of 3V to 3.6V, it provides a cost-effective memory solution for designs requiring moderate density and proven SDRAM technology.

Key Features

• Memory Configuration: 64-megabit capacity organized as 4M x 16, providing efficient word-wide data access for 16-bit bus architectures.
• Performance: 143 MHz clock frequency with 5.4 ns access time ensures responsive memory operations for time-sensitive applications.
• Interface: Parallel memory interface simplifies integration with standard microprocessors and microcontrollers using traditional memory bus architectures.
• Power Supply: Operates on 3V to 3.6V supply voltage, compatible with standard 3.3V logic systems.
• Package: Available in 54-TSOP II (0.400", 10.16mm width) package, offering a compact footprint for space-constrained designs.
• Operating Temperature: Commercial temperature range of 0°C to 70°C supports standard indoor and controlled-environment applications.

Typical Applications

• Embedded Systems: This SDRAM provides essential working memory for embedded controllers and processors in consumer electronics, where its 16-bit organization matches common data bus widths and enables efficient data throughput.
• Legacy Equipment Upgrades: The AS4C4M16S-7TCN serves as a replacement or upgrade component for aging systems that require parallel SDRAM, extending the service life of existing designs without requiring architectural changes.
• Industrial Control Systems: Industrial equipment operating in climate-controlled environments benefits from this memory's reliable performance and standard voltage operation, supporting PLCs, operator interfaces, and data acquisition systems.
• Telecommunications Infrastructure: This SDRAM provides buffer memory for telecommunications equipment and network devices where 64-megabit capacity and fast access times support packet processing and data buffering tasks.

Unique Advantages

• Proven SDRAM Technology: Synchronous DRAM architecture offers predictable timing characteristics and simplified controller design compared to asynchronous memory types.
• 16-Bit Data Width: Native 4M x 16 organization eliminates the need for multiple narrower devices, reducing board space and simplifying routing.
• Standard Voltage Operation: 3V to 3.6V supply range ensures compatibility with widespread 3.3V logic families without requiring level translation.
• Compact TSOP II Package: Surface-mount 54-pin TSOP II footprint balances pin count requirements with PCB area efficiency.
• Moderate Density: 64-megabit capacity suits applications where megabyte-scale memory is sufficient, avoiding unnecessary cost and complexity of larger devices.

Why Choose AS4C4M16S-7TCN?

The AS4C4M16S-7TCN is an ideal choice for designs requiring reliable parallel SDRAM with moderate density and proven technology. Its 143 MHz operating frequency and 5.4 ns access time deliver sufficient performance for embedded applications, while the standard 3.3V operation and TSOP II package facilitate straightforward integration into existing or new designs.

This component is particularly valuable for maintenance, repair, and operations (MRO) applications where matching legacy memory specifications is critical, as well as for new cost-sensitive designs that benefit from the simplicity and wide toolchain support of parallel SDRAM architectures.

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For pricing, availability, and technical support for the AS4C4M16S-7TCN, please contact our sales team. We provide detailed datasheets, application notes, and volume pricing to help you integrate this SDRAM into your design.