IS42S16400D-7TL

The IS42S16400D-7TL is a high-performance 64-megabit synchronous dynamic random access memory (SDRAM) organized as 4M x 16 bits. Built on proven SDRAM technology, this parallel-interface memory delivers reliable data storage with 5.4ns access time and operates at clock frequencies up to 143MHz. Designed for commercial temperature applications, it provides cost-effective memory solutions for embedded systems, networking equipment, and consumer electronics.

Key Features

• Memory Configuration - 64Mbit capacity organized as 4M words x 16 bits, providing flexible addressing for various embedded applications.
• Performance Specifications - 5.4ns access time with 143MHz maximum clock frequency enables responsive data throughput for real-time processing requirements.
• Parallel Interface - Standard parallel memory interface simplifies integration with microcontrollers, processors, and FPGA designs using conventional address and data buses.
• Operating Voltage - 3V to 3.6V supply voltage range supports common 3.3V system architectures while maintaining consistent performance.
• Commercial Temperature Range - Rated for 0°C to 70°C ambient operation, suitable for indoor equipment and controlled-environment installations.
• Package Format - 54-pin TSOP II package in 10.16mm width provides a compact footprint for space-constrained PCB layouts.

Typical Applications

• Embedded Computing - This SDRAM serves as main system memory or frame buffer in embedded processors and microcontroller-based designs where moderate capacity and standard parallel interfacing reduce development complexity.
• Networking Equipment - The device provides packet buffering and routing table storage in switches and routers where synchronous operation aligns with network processor timing requirements.
• Consumer Electronics - In set-top boxes, digital displays, and home appliances, this memory handles user interface graphics and temporary data storage while the 3.3V operation matches common consumer electronics power rails.
• Office Equipment - Printers, scanners, and multifunction devices utilize this SDRAM for image buffering and document processing where the commercial temperature range suits office environments.
• Test and Measurement - Data acquisition systems and bench instrumentation leverage this parallel SDRAM for waveform capture and measurement buffering in controlled laboratory settings.

Unique Advantages

• Proven SDRAM Architecture: Mature synchronous DRAM technology reduces integration risk and leverages established design patterns with broad toolchain support.
• Simplified Memory Interface: Standard parallel bus eliminates complex controller requirements compared to newer serial memory technologies, accelerating time-to-market.
• Cost-Effective Capacity: 64Mbit density balances sufficient storage for moderate applications while keeping BOM costs competitive for volume production.
• Compact Package Option: TSOP II format maximizes PCB routing density and supports automated pick-and-place assembly processes.
• Broad Voltage Compatibility: 3V to 3.6V range accommodates slight voltage variations in distributed power systems without requiring precision regulation.
• Synchronous Operation: Clock-driven transfers synchronize with system timing, simplifying interface design and reducing asynchronous timing challenges.

Why Choose IS42S16400D-7TL?

The IS42S16400D-7TL offers a straightforward memory solution for commercial embedded applications requiring parallel SDRAM. Its combination of moderate capacity, standard interfacing, and commercial temperature rating makes it suitable for indoor equipment where proven technology and design simplicity are priorities. Engineers familiar with traditional SDRAM architectures can integrate this device quickly using existing reference designs and development tools.

Please note that this device carries an obsolete lifecycle status. Contact our sales team to discuss availability for existing designs or explore current-generation alternatives for new projects.

Contact Us

For pricing, availability, and technical support on the IS42S16400D-7TL or to explore alternative memory solutions for your application, please contact our sales team for a customized quote.