IS42S83200J-7TLI

The IS42S83200J-7TLI is a 256-megabit synchronous dynamic random-access memory (SDRAM) organized as 32M x 8 bits. This parallel-interface volatile memory operates at clock frequencies up to 143MHz with a 5.4ns access time, making it well-suited for embedded systems requiring cost-effective, high-speed data buffering. With an extended industrial temperature range of -40°C to 85°C, this SDRAM delivers reliable performance in demanding environments where standard commercial-grade memory may not suffice.

Key Features

• Memory Organization: 32M x 8-bit architecture provides 256 megabits of volatile storage with a straightforward parallel interface, simplifying integration into microcontroller and processor-based designs.
• Performance: 143MHz clock frequency with 5.4ns access time enables rapid data throughput for real-time processing applications while maintaining synchronous operation.
• Power Supply: Single 3V to 3.6V supply voltage reduces power distribution complexity and aligns with common embedded system voltage rails.
• Temperature Range: Industrial-grade -40°C to 85°C operating temperature ensures stable operation in harsh environments including factory automation, outdoor equipment, and automotive applications.
• Package: 54-pin TSOP II (0.400", 10.16mm width) footprint offers a compact surface-mount solution with proven manufacturability and reliability.
• Lifecycle Status: Active production status provides long-term availability for designs requiring extended product lifecycles and stable supply chains.

Typical Applications

• Industrial Automation: This SDRAM serves as working memory for programmable logic controllers (PLCs), human-machine interfaces (HMIs), and motion control systems where the extended temperature range ensures consistent operation across factory floor conditions and the parallel interface simplifies integration with industrial microcontrollers.
• Embedded Computing Systems: The 256Mbit capacity and 143MHz performance make this SDRAM ideal for data buffering in embedded processors running real-time operating systems, providing sufficient memory for application code execution and temporary data storage without the complexity of DDR interfaces.
• Telecommunications Equipment: In networking switches, routers, and telecom infrastructure, this SDRAM provides fast packet buffering and lookup table storage, with industrial temperature tolerance ensuring reliable operation in equipment closets and outdoor enclosures.
• Test and Measurement Instruments: Oscilloscopes, data acquisition systems, and analyzers utilize this memory for waveform capture and processing, where the synchronous operation and predictable timing characteristics support precise measurement accuracy.
• Automotive Electronics: The industrial temperature range enables use in automotive infotainment systems, dashboard displays, and body control modules where the memory must perform reliably across extreme ambient conditions from cold-weather starting to high-temperature engine compartments.

Unique Advantages

• Cost-Effective Memory Solution: Parallel SDRAM technology delivers proven performance at a lower cost point than DDR alternatives, reducing bill-of-materials expenses for designs where extreme bandwidth is not required.
• Simple Integration: Synchronous parallel interface eliminates the complexity of DDR training sequences and timing calibration, accelerating time-to-market and reducing firmware development effort.
• Industrial Temperature Resilience: Extended -40°C to 85°C operation eliminates the need for temperature management systems in harsh environments, simplifying mechanical design and reducing overall system cost.
• Single-Voltage Operation: 3V to 3.6V supply requirement eliminates the need for multiple voltage rails, reducing power supply complexity and board space requirements.
• Stable Long-Term Availability: Active lifecycle status from ISSI provides confidence for designs requiring multi-year production runs and field support commitments.
• Compact Surface-Mount Package: 54-TSOP II footprint minimizes board area while maintaining compatibility with standard SMT assembly processes and equipment.

Why Choose IS42S83200J-7TLI?

The IS42S83200J-7TLI represents an optimal balance of performance, cost, and reliability for industrial and embedded applications. Its 256Mbit capacity and 143MHz operation deliver sufficient performance for real-time processing tasks, while the parallel SDRAM architecture avoids the complexity and power consumption associated with newer DDR technologies. Engineers designing equipment for industrial automation, telecommunications, automotive, or instrumentation will appreciate the extended temperature range that eliminates thermal derating concerns.

This SDRAM is particularly well-suited for designs that prioritize long-term availability, straightforward integration, and proven technology over cutting-edge bandwidth. ISSI's active production status ensures stable supply for products requiring extended lifecycles, making the IS42S83200J-7TLI a reliable choice for designs that must perform consistently across temperature extremes and remain in production for years to come.

Get Started with IS42S83200J-7TLI

To integrate the IS42S83200J-7TLI into your next design or to request pricing and availability information, contact our sales team. Our applications engineers can provide technical support for memory interface design, timing analysis, and system integration to help you achieve optimal performance in your embedded application.