IS42S32400D-7B-TR

The IS42S32400D-7B-TR is a high-performance 128Mbit synchronous DRAM (SDRAM) from ISSI, Integrated Silicon Solution Inc. Organized as 4M x 32, this volatile memory IC delivers reliable parallel interface data storage with a 143MHz clock frequency and 5.4ns access time. Ideal for embedded systems requiring fast, cost-effective volatile memory, this SDRAM offers a proven architecture for buffering, caching, and general-purpose data storage applications.

Key Features

• Memory Architecture: 128Mbit capacity organized as 4M x 32, providing flexible word-level access optimized for 32-bit data buses commonly found in embedded processors and controllers.
• Performance Specifications: 143MHz clock frequency with 5.4ns access time delivers responsive data throughput for real-time processing and buffering tasks.
• Power and Interface: 3V to 3.6V supply voltage range with parallel interface ensures compatibility with a wide range of embedded systems and microcontrollers.
• Operating Temperature: 0°C to 70°C (TA) commercial temperature range supports standard indoor and controlled environment applications.
• Package: 90-TFBGA (8x13mm) surface-mount package offers compact footprint for space-constrained PCB designs.

Typical Applications

• Embedded Computing Systems: This SDRAM serves as main system memory or data buffer in embedded controllers, single-board computers, and industrial PCs where moderate capacity and fast parallel access support real-time processing requirements.
• Consumer Electronics: Provides volatile working memory for set-top boxes, digital displays, and multimedia devices where cost-effective SDRAM enables smooth video buffering and user interface responsiveness.
• Networking Equipment: Functions as packet buffer memory in routers, switches, and network appliances where the parallel interface and moderate density balance performance with bill-of-materials efficiency.
• Test and Measurement Instruments: Offers temporary data storage for oscilloscopes, logic analyzers, and data acquisition systems where SDRAM's fast access time supports high-speed capture and display operations.

Unique Advantages

• Proven SDRAM Technology: Leverages mature, widely-supported synchronous DRAM architecture that simplifies hardware design and software driver integration across multiple embedded platforms.
• Compact Ball Grid Array Package: The 90-TFBGA footprint reduces board space requirements compared to legacy TSOP packages while maintaining manufacturability for standard PCB assembly processes.
• Cost-Effective Memory Solution: Delivers essential volatile memory capacity at competitive pricing, helping to optimize system cost in price-sensitive embedded and consumer applications.
• Wide Supply Voltage Range: 3V to 3.6V operation provides flexibility for integration with both 3.3V and battery-powered system designs without requiring additional voltage regulation.
• Standard Parallel Interface: Direct memory bus connection eliminates protocol overhead and simplifies integration with processors featuring native SDRAM controllers.

Why Choose IS42S32400D-7B-TR?

The IS42S32400D-7B-TR represents a reliable choice for embedded designs requiring moderate-capacity volatile memory with proven SDRAM technology. Its 4M x 32 organization and 143MHz operation align well with 32-bit embedded processors and controllers in commercial applications. The compact TFBGA package and commercial temperature range make this device well-suited for cost-optimized designs in consumer electronics, networking equipment, and industrial controllers operating in controlled environments.

Note that this product has reached obsolete lifecycle status. For new designs, contact your ISSI representative to identify current-generation alternatives or discuss end-of-life buy opportunities if this specific part meets critical design requirements.

Request Information

For pricing, availability, and technical support on the IS42S32400D-7B-TR or to discuss alternative SDRAM solutions for your application, please contact our sales team or request a quote through our website.