IS42S32800J-75ETLI-TR

The IS42S32800J-75ETLI-TR is a 256-megabit synchronous dynamic random access memory (SDRAM) designed for applications requiring fast, parallel memory access. With an 8M x 32 organization and 133MHz clock frequency, this DRAM delivers reliable performance across an extended temperature range from -40°C to 85°C, making it suitable for industrial and embedded systems.

Key Features

• Memory Architecture - 256Mbit capacity organized as 8M x 32, providing efficient word-wide data access for 32-bit systems and processors.
• Performance - Operates at 133MHz clock frequency with 6ns access time, enabling fast read and write operations for time-sensitive applications.
• Power Supply - Single 3V to 3.6V supply voltage simplifies power design and reduces component count in low-voltage systems.
• Temperature Range - Extended -40°C to 85°C operating range ensures reliable operation in industrial environments subject to temperature extremes.
• Interface - Parallel interface supports straightforward integration with microcontrollers, FPGAs, and processors requiring synchronous memory access.
• Package - Available in 86-pin TSOP II package (0.400", 10.16mm width), a compact surface-mount form factor for space-constrained designs.

Typical Applications

• Industrial Control Systems - Provides working memory for programmable logic controllers (PLCs), human-machine interfaces (HMIs), and industrial computers where the extended temperature rating ensures consistent performance in factory floor conditions.
• Embedded Computing - Serves as main system memory in embedded processors and single-board computers, with the 32-bit organization matching common embedded architectures for efficient data handling.
• Telecommunications Equipment - Supports buffer and cache memory requirements in networking and communications devices, where the 133MHz operation meets moderate bandwidth needs for data packet processing.
• Test and Measurement Instruments - Functions as data acquisition memory in oscilloscopes, data loggers, and measurement equipment, where the extended temperature tolerance accommodates field deployment scenarios.
• Medical Devices - Provides volatile memory storage for diagnostic equipment and patient monitoring systems that require reliable operation and straightforward parallel interfacing.

Unique Advantages

• Extended Temperature Operation: The -40°C to 85°C rating eliminates the need for thermal management in many industrial applications, reducing system complexity and cost.
• Standard SDRAM Interface: Synchronous operation simplifies timing design compared to asynchronous DRAM, while maintaining compatibility with widely-supported memory controllers.
• Optimal Density for Embedded Systems: 256Mbit capacity provides sufficient memory for many embedded applications without over-provisioning, helping control bill-of-materials costs.
• Single Supply Operation: 3V to 3.6V supply voltage allows direct interfacing with modern low-voltage logic families without level translation circuits.
• Established Technology: SDRAM architecture offers proven reliability and widespread design support, reducing development risk and accelerating time-to-market.
• Surface-Mount Package: TSOP II form factor enables automated assembly and compact board layouts suitable for space-limited industrial and embedded products.

Why Choose IS42S32800J-75ETLI-TR?

The IS42S32800J-75ETLI-TR addresses the needs of industrial and embedded system designers seeking reliable, cost-effective memory for moderate-performance applications. The extended temperature rating makes this SDRAM particularly valuable in harsh environments where consumer-grade components would fail, while the standard synchronous interface ensures compatibility with a broad range of processors and controllers. With its active lifecycle status from ISSI, designers can expect ongoing availability for long product lifecycles.

This component is well-suited for designs that prioritize proven technology, wide temperature tolerance, and straightforward integration over cutting-edge performance. The 8M x 32 organization efficiently matches 32-bit system architectures common in industrial computing, reducing interface complexity and improving data throughput.

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Contact our sales team to discuss pricing, availability, and technical specifications for the IS42S32800J-75ETLI-TR. Our experienced staff can help you evaluate whether this SDRAM meets your application requirements and assist with technical integration questions.