IS42S16400J-5BL

The IS42S16400J-5BL is a 64Mbit synchronous dynamic random access memory (SDRAM) organized as 4M x 16 bits. This SDRAM device operates at 200MHz clock frequency with a fast 4.8ns access time, making it suitable for applications requiring reliable volatile memory with moderate speed performance. Housed in a compact 54-pin TFBGA package measuring 8x8mm, this memory IC provides an efficient solution for embedded systems and consumer electronics operating in standard temperature ranges.

Key Features

• Memory Architecture - 64Mbit capacity with 4M x 16-bit organization provides flexible addressing for word-based data access patterns common in microcontroller and DSP applications.
• Clock Performance - 200MHz clock frequency with 4.8ns access time delivers moderate-speed synchronous operation suitable for standard embedded computing tasks.
• Power Supply - 3V to 3.6V operating voltage range aligns with standard 3.3V system designs, simplifying power rail integration in most digital circuits.
• Package Format - 54-pin TFBGA package in an 8x8mm footprint offers a space-efficient memory solution for compact PCB layouts.
• Temperature Range - 0°C to 70°C operating temperature supports standard commercial environments and most indoor consumer applications.

Typical Applications

• Consumer Electronics - This SDRAM provides working memory for set-top boxes, digital displays, and multimedia devices where moderate memory bandwidth supports standard-definition video processing and user interface operations.
• Embedded Systems - The 4M x 16 organization matches common data bus widths in microcontroller systems, enabling efficient RAM expansion for embedded applications that require temporary data storage and program execution space.
• Networking Equipment - The synchronous interface and moderate speed make this device suitable for packet buffering and data handling in entry-level routers and switches operating at standard throughput levels.
• Industrial Controls - The commercial temperature range supports indoor industrial equipment such as panel PCs and operator interfaces where reliable volatile memory is needed for real-time control operations.

Unique Advantages

• Standard Interface Compatibility: The SDRAM technology and 3.3V operation integrate seamlessly with legacy system designs and established controller chipsets, reducing development time for proven architectures.
• Compact Form Factor: The 8x8mm TFBGA package minimizes board space requirements compared to larger memory packages, enabling denser PCB layouts in space-constrained products.
• Balanced Speed-Cost Profile: The 200MHz operation and 4.8ns access time deliver adequate performance for standard applications without the premium cost of high-speed memory solutions.
• Simplified Power Design: Single 3V to 3.6V supply voltage reduces power rail complexity and lowers component count in power management circuits.
• Proven Technology: SDRAM architecture represents mature, well-understood memory technology with broad ecosystem support for design tools, controllers, and technical resources.

Why Choose IS42S16400J-5BL?

The IS42S16400J-5BL is positioned for designs that require reliable, moderate-speed volatile memory in a compact package. It serves embedded systems engineers and product developers working on cost-sensitive applications where the 64Mbit capacity and 200MHz performance meet functional requirements without overspecification. The small TFBGA footprint and standard 3.3V interface make it particularly suitable for space-constrained consumer and commercial products.

Note that this product carries an Obsolete lifecycle status. Engineers should confirm long-term availability with their distributors and consider identifying alternative components for new designs requiring extended production lifecycles.

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