IS42S32800B-6BLI-TR

The IS42S32800B-6BLI-TR is a 256Mbit synchronous DRAM device featuring a 32-bit parallel interface and 8M x 32 memory organization. This volatile memory solution operates at clock frequencies up to 166MHz with a 5.5ns access time, making it suitable for embedded systems requiring high-speed data buffering and processing. The device operates across an extended industrial temperature range, making it viable for applications beyond consumer electronics.

Key Features

• Memory Architecture - 256Mbit capacity organized as 8M x 32, providing efficient 32-bit wide data paths that reduce the number of memory devices needed in parallel bus architectures.
• Performance Specifications - 166MHz clock frequency with 5.5ns access time enables responsive data throughput for real-time processing applications.
• Power Supply - 3V to 3.6V operation aligns with standard digital logic supply rails, simplifying power distribution design.
• Temperature Range - -40°C to 85°C (TA) operating range supports deployment in industrial environments with temperature variation.
• Package Configuration - 90-pin TFBGA (8x13mm) footprint offers compact board-level integration for space-constrained designs.

Typical Applications

• Industrial Control Systems - This SDRAM serves as working memory in programmable logic controllers and industrial computers where the extended temperature range ensures reliable operation in factory floor and outdoor equipment installations.
• Embedded Computing Platforms - The 32-bit parallel interface provides efficient data buffering for ARM and MIPS-based embedded processors that require external DRAM for program execution and data storage.
• Test and Measurement Equipment - High-speed data acquisition systems utilize this memory for temporary storage of captured waveforms and measurement data before processing or transfer to permanent storage.
• Communications Infrastructure - Network routers and switches employ this SDRAM for packet buffering and routing table storage where the industrial temperature range supports equipment deployed in cabinets without climate control.

Unique Advantages

• Simplified BOM with 32-bit Organization: The 8M x 32 configuration reduces the number of parallel memory devices needed compared to narrower data widths, lowering component count and board complexity.
• Standard Voltage Operation: 3V to 3.6V supply compatibility eliminates the need for separate memory power rails, reducing power management circuitry.
• Industrial Temperature Capability: -40°C to 85°C operation extends deployment options beyond climate-controlled environments without requiring active thermal management.
• Compact Footprint: The 90-TFBGA package in an 8x13mm body provides high pin density while maintaining manufacturability for standard PCB assembly processes.
• SDRAM Interface Familiarity: Standard synchronous DRAM protocol enables straightforward integration with existing memory controller IP and reduces firmware development time.

Why Choose IS42S32800B-6BLI-TR?

The IS42S32800B-6BLI-TR addresses embedded system requirements where 32-bit data paths, industrial temperature tolerance, and moderate density converge. Designers of industrial equipment, embedded computing platforms, and communications infrastructure will find the combination of extended temperature operation and standard SDRAM interface reduces both hardware complexity and software integration effort.

Note that this device carries an Obsolete lifecycle status. Designers should verify current availability and consider ISSI's recommended migration path for new designs requiring long-term production support.

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Contact our sales team to discuss availability, pricing, and technical support for the IS42S32800B-6BLI-TR. Our application engineers can assist with memory selection, layout guidelines, and lifecycle planning for your embedded system design.