IS42S16400N-7BL

The IS42S16400N-7BL is a 64Mbit synchronous DRAM (SDRAM) from ISSI, Integrated Silicon Solution Inc, designed for applications requiring reliable, high-speed memory access. Featuring a 4M x 16 memory organization, this SDRAM operates at clock frequencies up to 143MHz with a 5.4ns access time, making it ideal for embedded systems, industrial equipment, and consumer electronics where cost-effective memory solutions are needed.

This parallel interface DRAM delivers consistent performance within a compact 54-pin TFBGA package, providing engineers with a space-efficient memory solution that balances speed, capacity, and thermal characteristics for a wide range of commercial applications.

Key Features

• Memory Architecture - 64Mbit capacity organized as 4M x 16, providing flexible word-wide data access for efficient system integration.
• Performance - Operates at clock frequencies up to 143MHz with 5.4ns access time, enabling responsive data throughput for real-time applications.
• Power Supply - Single 3V to 3.6V supply voltage simplifies power management and reduces overall system complexity.
• Interface - LVTTL-compatible parallel interface ensures straightforward integration with standard microcontrollers and processors.
• Package - Compact 54-pin TFBGA (8x8mm) package minimizes PCB footprint while maintaining reliable solder connections.
• Operating Temperature - Commercial temperature range of 0°C to 70°C suits typical indoor and controlled environment applications.

Typical Applications

• Consumer Electronics - This SDRAM provides working memory for set-top boxes, digital cameras, and home entertainment devices where moderate capacity and speed meet cost targets for high-volume production.
• Embedded Systems - Serves as main memory or buffer storage in microcontroller-based systems, offering predictable latency and sufficient bandwidth for data processing tasks in automation controllers and IoT gateways.
• Industrial Control Equipment - The 0°C to 70°C operating range supports deployment in climate-controlled factory environments, providing stable memory access for HMI displays, panel PCs, and monitoring systems.
• Networking Equipment - Functions as packet buffer memory in switches, routers, and network appliances where moderate throughput requirements align with the 143MHz clock speed.
• Medical Instruments - Supplies data storage for diagnostic equipment and patient monitoring systems operating in controlled clinical settings where commercial-grade components are appropriate.

Unique Advantages

• Cost-Effective Memory Solution: SDRAM technology delivers a favorable price-per-bit ratio compared to newer memory types, helping reduce BOM costs in price-sensitive applications.
• Simplified Design Integration: LVTTL-compatible interface and single voltage supply minimize external component count and ease PCB layout constraints.
• Compact Footprint: The 8x8mm TFBGA package conserves valuable board space, enabling higher component density in space-constrained designs.
• Established Technology: Mature SDRAM architecture provides proven reliability with well-documented design practices and broad tool support.
• Flexible Organization: 4M x 16 configuration matches common data bus widths, reducing the need for complex memory interleaving or additional glue logic.
• Active Lifecycle: Current production status ensures continued availability for new designs and product lifecycles.

Why Choose IS42S16400N-7BL?

The IS42S16400N-7BL is well-suited for commercial applications where designers need a balance of capacity, speed, and cost in a compact form factor. Its 64Mbit density and 143MHz operation cover a broad range of embedded and consumer applications without over-specifying memory performance. The TFBGA package and LVTTL interface simplify integration into standard designs, while the commercial temperature rating aligns with indoor and climate-controlled deployment scenarios.

For engineering teams developing cost-conscious products with moderate memory requirements, this SDRAM offers a reliable, proven solution backed by ISSI's experience in memory manufacturing and supported by active production availability.

Get a Quote

Contact our sales team to request pricing, lead times, and volume availability for the IS42S16400N-7BL. We can assist with technical specifications, design integration guidance, and custom packaging options to support your project requirements.