AS4C4M32S-6TCNTR

The AS4C4M32S-6TCNTR from Alliance Memory is a 128-megabit synchronous dynamic random access memory (SDRAM) integrated circuit designed for high-performance parallel data storage applications. With a 4M x 32 organization and 166MHz clock frequency support, this memory device delivers reliable data handling for embedded systems, computing platforms, and industrial equipment operating in standard temperature ranges.

Key Features

• Memory Architecture - 128Mbit total capacity organized as 4M x 32, providing flexible word-width access for 32-bit data bus systems. The parallel interface enables direct integration with processors and controllers requiring wide data paths.
• Performance Specifications - 166MHz clock frequency with 5.5ns access time and 2ns write cycle time delivers fast read/write operations suitable for real-time data processing applications.
• Power Requirements - Operates on 3V to 3.6V supply voltage, making it compatible with standard 3.3V digital systems while maintaining low power consumption during active and standby modes.
• Operating Temperature - Rated for 0°C to 70°C ambient temperature range, supporting deployment in commercial and standard industrial environments.
• Package Format - 86-pin TSOP II package with 10.16mm width offers space-efficient surface-mount installation on PCBs.

Typical Applications

• Embedded Computing Systems - The AS4C4M32S-6TCNTR serves as main system memory in single-board computers and embedded controllers where the 32-bit data width matches processor architectures for efficient data transfers.
• Industrial Control Equipment - This SDRAM provides working memory for PLCs, motion controllers, and process automation systems where the 0°C to 70°C temperature rating ensures reliable operation in controlled industrial environments.
• Communications Infrastructure - Used in network routers, switches, and telecommunications equipment for packet buffering and data processing tasks requiring fast parallel memory access.
• Test and Measurement Instruments - Provides data capture and storage capabilities in oscilloscopes, logic analyzers, and automated test equipment where synchronous operation aligns with system timing requirements.

Unique Advantages

• Wide 32-bit Data Bus: Reduces the number of memory devices required in systems with 32-bit processors, simplifying board layout and reducing BOM costs compared to narrower memory configurations.
• Synchronous Operation: Clock-synchronous design eliminates timing uncertainties associated with asynchronous memories, simplifying controller design and improving system reliability.
• Established SDRAM Technology: Based on mature SDRAM technology with well-understood characteristics and broad ecosystem support for design tools and controllers.
• Standard TSOP II Packaging: Industry-standard package format ensures compatibility with existing PCB footprints and automated assembly processes.
• Commercial Temperature Range: 0°C to 70°C rating covers typical indoor and climate-controlled industrial installations without requiring premium-grade components.

Why Choose AS4C4M32S-6TCNTR?

The AS4C4M32S-6TCNTR is positioned for embedded and industrial applications requiring parallel SDRAM with 32-bit data width. Its combination of 128Mbit capacity, 166MHz operation, and commercial temperature rating makes it suitable for systems where performance, compatibility, and cost-effectiveness are balanced priorities. The standard TSOP II package and 3.3V operation ensure straightforward integration into existing designs.

Note: This product has an Obsolete lifecycle status. Design teams should confirm current availability and consider long-term supply planning or alternative components for new designs.

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