IS42S16800D-75ETLI-TR

The IS42S16800D-75ETLI-TR is a 128Mbit synchronous dynamic random access memory (SDRAM) chip organized as 8M x 16 bits. This parallel interface DRAM offers reliable, cost-effective memory expansion for embedded systems requiring moderate density volatile storage. Operating at 133MHz clock frequency with 6.5ns access time, this component delivers dependable performance for industrial and commercial applications within an extended temperature range of -40°C to 85°C.

Key Features

• Memory Architecture - 128Mbit total capacity in 8M x 16 organization provides flexible data width configuration for various system requirements.
• Clock Performance - 133MHz maximum clock frequency with 6.5ns access time enables responsive data retrieval in time-sensitive applications.
• Voltage Operation - Standard 3V to 3.6V supply voltage range ensures compatibility with common embedded system power rails.
• Extended Temperature Range - Operating range of -40°C to 85°C (TA) supports deployment in industrial environments with varying thermal conditions.
• Package Format - 54-pin TSOP II package in 10.16mm width provides space-efficient board layout with proven reliability.
• Interface - Parallel memory interface simplifies integration with legacy microprocessor and microcontroller architectures.

Typical Applications

• Industrial Control Systems - This SDRAM serves as working memory in programmable logic controllers (PLCs) and distributed control systems where extended temperature tolerance ensures reliable operation across factory floor conditions.
• Embedded Computing Platforms - The parallel interface and moderate density make this component suitable for single-board computers and embedded processors requiring cost-effective volatile storage for program execution and data buffering.
• Legacy System Maintenance - As a replacement component for existing designs, this SDRAM supports continued production and field service of established products requiring 128Mbit parallel DRAM in TSOP II packaging.
• Test and Measurement Equipment - The extended temperature rating and stable performance characteristics suit instrumentation applications where temporary data storage must function reliably in variable environmental conditions.

Unique Advantages

• Wide Temperature Tolerance: The -40°C to 85°C operating range reduces the need for thermal management in industrial enclosures, simplifying mechanical design.
• Standard Voltage Operation: 3.3V nominal supply voltage eliminates additional power conversion circuitry in typical embedded systems, reducing BOM cost and board complexity.
• Proven TSOP II Package: Industry-standard 54-pin TSOP II footprint enables drop-in replacement scenarios and leverages existing PCB layout knowledge.
• Synchronous Interface: SDRAM architecture with clock-synchronized operation provides predictable timing characteristics compared to asynchronous DRAM alternatives.
• Moderate Density: 128Mbit capacity offers sufficient working memory for many embedded applications without over-provisioning expensive resources.

Why Choose IS42S16800D-75ETLI-TR?

This SDRAM component addresses the needs of industrial and embedded system designers requiring proven parallel memory technology with extended temperature capability. The combination of 133MHz operation, industrial temperature range, and standard 3.3V power supply makes it appropriate for control systems, instrumentation, and computing platforms where reliability outweighs cutting-edge density or performance.

Note: This component has obsolete lifecycle status. Designers should confirm availability and consider alternatives for new designs, while this part may continue to serve existing production and field service requirements.

Contact Us for Availability and Pricing

To check current stock levels, request a quote, or discuss alternatives for your specific application, please contact our sales team. We can assist with technical selection guidance and volume pricing for production requirements.