IS42S32800L-7BLI

The IS42S32800L-7BLI from ISSI is a 256-megabit synchronous dynamic random-access memory (SDRAM) designed for applications requiring reliable volatile memory in demanding environments. With an 8M x 32 memory organization and 143 MHz clock frequency, this DRAM delivers dependable performance across industrial temperature ranges from -40°C to 85°C. Its LVTTL interface and standard SDRAM architecture make it an accessible solution for embedded systems, industrial equipment, and consumer electronics requiring cost-effective, high-density memory.

Key Features

• Memory Architecture - 256 megabits organized as 8M x 32, providing flexible data width for 32-bit bus applications with 5.4ns access time for responsive data retrieval.
• Clock Performance - Operates at 143 MHz clock frequency, supporting high-throughput data transfers for real-time processing requirements.
• Power Supply - 3V to 3.6V supply voltage range offers compatibility with standard 3.3V logic systems while accommodating voltage variations in industrial power environments.
• Interface - LVTTL (Low Voltage Transistor-Transistor Logic) interface simplifies integration with existing digital systems and microcontrollers.
• Package - 90-pin TFBGA (8x13mm) package provides high pin density in a compact footprint, optimizing board space utilization.
• Temperature Range - Industrial-grade -40°C to 85°C operating temperature ensures reliable operation in harsh environmental conditions.

Typical Applications

• Industrial Control Systems - This SDRAM provides working memory for programmable logic controllers (PLCs) and human-machine interfaces (HMIs) where the extended temperature tolerance ensures consistent operation in factory floor and outdoor industrial environments.
• Embedded Computing - The 256-megabit capacity and 32-bit organization make this DRAM suitable for embedded processors and single-board computers requiring moderate memory density for firmware execution and data buffering.
• Networking Equipment - The synchronous operation at 143 MHz supports packet buffering and routing table storage in switches and routers where reliable memory performance is essential for network throughput.
• Instrumentation and Measurement - The industrial temperature range and stable SDRAM technology enable data acquisition systems and test equipment to capture and process measurement data reliably across varying environmental conditions.
• Consumer Electronics - This DRAM serves set-top boxes, digital displays, and multimedia devices requiring cost-effective volatile memory for video buffering and system operation.

Unique Advantages

• Industrial Temperature Reliability: The -40°C to 85°C operating range extends deployment options beyond commercial-grade components, reducing the need for environmental controls in harsh installations.
• Proven SDRAM Technology: Standard synchronous DRAM architecture leverages mature controller support and widespread software compatibility, simplifying design integration and reducing development risk.
• Cost-Effective Density: 256-megabit capacity at competitive pricing delivers practical memory density for mid-range applications without over-specifying or under-utilizing resources.
• Compact Form Factor: The 90-TFBGA package balances high pin count requirements with minimal PCB footprint, supporting space-constrained embedded designs.
• Standard Voltage Operation: 3V to 3.6V supply compatibility eliminates the need for dedicated voltage regulators in most 3.3V systems, simplifying power distribution design.
• Active Lifecycle Status: Ongoing production availability supports new design commitments and long-term product roadmaps with reduced obsolescence risk.

Why Choose IS42S32800L-7BLI?

The IS42S32800L-7BLI addresses the needs of system designers requiring dependable volatile memory for industrial and embedded applications. Its industrial temperature rating, standard SDRAM interface, and active lifecycle status make it particularly suitable for designs prioritizing environmental resilience, straightforward integration, and long-term availability. Engineers working on control systems, instrumentation, or embedded computing platforms will appreciate the balance of capacity, performance, and environmental tolerance.

For applications where extended temperature operation and proven memory technology outweigh the need for cutting-edge density or speed, this SDRAM offers practical value and design simplicity that can reduce both component costs and engineering complexity.

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Contact our sales team to request pricing and availability for the IS42S32800L-7BLI. Our technical support staff can assist with design integration questions, datasheet clarification, and volume purchasing options tailored to your project requirements.