IS42S32400J-7TL

The IS42S32400J-7TL is a 128-megabit synchronous dynamic random access memory (SDRAM) device designed for high-performance embedded applications requiring reliable, cost-effective memory solutions. Built on proven SDRAM technology, this memory IC delivers fast access times and efficient data throughput in a compact 86-pin TSOP II package, making it well-suited for space-constrained designs across industrial, consumer, and computing applications.

Key Features

• Memory Core - 128Mbit capacity organized as 4M x 32, providing flexible word-width data access optimized for 32-bit microcontrollers and processors.
• Performance - 143MHz maximum clock frequency with 5.4ns access time enables responsive data retrieval for real-time embedded systems.
• Interface - LVTTL-compatible signals simplify integration with standard logic families and reduce the need for level-shifting circuitry.
• Power Supply - Single 3V to 3.6V supply voltage aligns with common embedded system power rails and reduces power management complexity.
• Operating Temperature - 0°C to 70°C temperature range supports standard commercial applications in controlled environments.
• Package - 86-pin TSOP II (10.16mm width) offers proven surface-mount technology with established assembly processes.

Typical Applications

• Embedded Computing - This SDRAM serves as main system memory in embedded processors and microcontroller systems where the 32-bit wide interface matches native data bus widths, reducing memory access overhead and improving throughput.
• Consumer Electronics - Set-top boxes, digital televisions, and home networking equipment leverage this memory for buffering video streams and managing user interface data where the compact TSOP package fits within tight PCB space constraints.
• Office Equipment - Printers, copiers, and multifunction devices use this SDRAM to store page buffers and manage document processing workflows where predictable performance and established supply chains reduce production risks.
• Industrial Control - Human-machine interfaces and panel PCs benefit from the reliable memory operation in the 0°C to 70°C range typical of controlled industrial settings.
• Networking Infrastructure - Routers, switches, and network appliances utilize this memory for packet buffering and routing table storage where the fast access time supports wire-speed data forwarding.

Unique Advantages

• Simplified BOM Management: The single 3V to 3.6V supply voltage eliminates the need for multiple power rails, reducing regulator count and board complexity.
• Design Continuity: Industry-standard SDRAM interface and TSOP II packaging enable straightforward migration from legacy designs without requiring new layout patterns or assembly processes.
• Cost-Effective Density: The 128Mbit capacity hits a practical balance for embedded applications, avoiding over-provisioning while providing sufficient headroom for firmware and data storage.
• Established Ecosystem: LVTTL compatibility ensures broad support across microcontroller and FPGA families without requiring specialized I/O standards or additional interface components.
• Active Lifecycle: With an active lifecycle status, this device supports ongoing production requirements and long-term availability planning for multi-year product lifecycles.
• Proven Technology: Mature SDRAM architecture delivers predictable electrical characteristics and well-understood design guidelines, reducing validation time and engineering risk.

Why Choose IS42S32400J-7TL?

The IS42S32400J-7TL represents a pragmatic choice for design teams seeking reliable memory performance in embedded applications without the complexity and cost of newer memory technologies. Its 4M x 32 organization naturally aligns with 32-bit processor architectures, while the LVTTL interface and standard supply voltage simplify integration into existing board designs. The commercial temperature range and TSOP II package make this device particularly suitable for high-volume consumer and office equipment where cost, board space, and assembly compatibility drive component selection.

For applications running in controlled environments, this SDRAM offers established supply chains, proven assembly processes, and the engineering confidence that comes from decades of SDRAM deployment in the field.

Get a Quote

Contact our sales team to discuss pricing, lead times, and volume availability for the IS42S32400J-7TL. Our technical support staff can also assist with design-in questions, reference schematics, and layout recommendations to help you successfully integrate this memory device into your next project.