IS42S32800B-6TL-TR

The IS42S32800B-6TL-TR is a 256-megabit synchronous DRAM from ISSI, organized as 8M x 32 bits. Built on proven SDRAM technology, this parallel memory IC operates at clock frequencies up to 166 MHz and delivers 5.5 ns access time. Designed for embedded systems requiring reliable, cost-effective memory expansion, this device provides robust performance for industrial, consumer, and communications applications operating in standard commercial temperature ranges.

Key Features

• Memory Architecture - 256-megabit capacity organized as 8M words by 32 bits, providing flexible memory configuration for 32-bit bus architectures.
• Performance Specifications - Operates at 166 MHz clock frequency with 5.5 ns access time, enabling fast read/write cycles for data-intensive applications.
• Voltage Supply - Standard 3V to 3.6V operating voltage range ensures compatibility with common 3.3V logic systems and reduces power requirements.
• Parallel Interface - Traditional parallel memory interface simplifies integration with processors, FPGAs, and controllers that support direct memory access.
• Package Type - Available in 86-pin TSOP II package (0.400" width) offering established footprint compatibility with existing board designs.
• Temperature Range - Commercial-grade operation from 0°C to 70°C suits standard indoor and controlled-environment deployments.

Typical Applications

• Embedded Computing Systems - This SDRAM serves as main memory in embedded processors and microcontrollers where the 32-bit wide data bus matches common processor architectures and reduces memory access latency.
• Industrial Control Equipment - Provides reliable volatile memory for PLCs, industrial PCs, and control systems operating in standard commercial temperature environments where data buffering and program execution speed matter.
• Consumer Electronics - Supports set-top boxes, digital displays, and multimedia devices that require cost-effective high-density memory for video buffering and application execution.
• Networking and Communications - Functions as packet buffer memory in routers, switches, and communication equipment where the parallel interface enables fast data throughput for network processing tasks.

Unique Advantages

• Wide Data Bus Reduces Access Cycles: The 32-bit organization minimizes the number of memory accesses needed for data transfers, improving system throughput and reducing processor wait states.
• Standard Voltage Compatibility: Operating on common 3.3V power rails eliminates the need for additional voltage regulators, simplifying power supply design and reducing BOM costs.
• Established Package Format: The 86-TSOP II footprint leverages proven PCB layout patterns and enables straightforward sourcing of compatible socket and test fixtures.
• Fast Clock Operation: The 166 MHz capability supports modern embedded processors and controllers without creating memory bottlenecks in system performance.
• Proven SDRAM Technology: Mature synchronous DRAM architecture offers predictable timing characteristics and straightforward controller design compared to more complex memory types.

Why Choose IS42S32800B-6TL-TR?

This SDRAM delivers reliable, well-understood memory expansion for embedded designs targeting commercial environments. The 32-bit wide organization aligns naturally with processor architectures requiring efficient memory access, while the standard voltage and established package format reduce integration complexity. For systems where proven technology, straightforward sourcing, and cost-effective density matter more than extended temperature ranges or specialized qualifications, this device offers a practical memory solution.

Please note this component carries an Obsolete lifecycle status. Engineers should verify long-term availability with ISSI and consider identifying alternative or replacement parts for new designs requiring extended production runs.

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Contact our sales team for pricing, availability, and volume discounts on the IS42S32800B-6TL-TR. Our technical support staff can assist with integration questions, reference designs, and alternative memory solutions for your specific application requirements.