IS42S16400N-7BL-TR

The IS42S16400N-7BL-TR is a 64Mbit synchronous DRAM organized as 4 million words by 16 bits. Built on proven SDRAM technology, this memory device delivers reliable performance for embedded systems, consumer electronics, and industrial applications requiring cost-effective, high-speed volatile memory. Operating at clock frequencies up to 143MHz with a 5.4ns access time, it provides the bandwidth needed for real-time data processing and buffering tasks.

Housed in a compact 54-pin TFBGA package measuring just 8x8mm, the IS42S16400N-7BL-TR offers an efficient solution for space-constrained designs while maintaining standard LVTTL interface compatibility for straightforward integration into existing architectures.

Key Features

• Memory Architecture - 64Mbit capacity organized as 4M x 16, providing flexible word-level access for 16-bit data bus systems common in microcontroller and DSP applications.
• Performance - 143MHz clock frequency with 5.4ns access time enables rapid data retrieval for time-sensitive operations and reduces system latency.
• Power Supply - Standard 3V to 3.6V operation simplifies power rail design and ensures compatibility with common embedded system voltage levels.
• Interface - LVTTL-compatible signals facilitate direct connection to a wide range of processors and controllers without level-shifting circuits.
• Package - 54-pin TFBGA in an 8x8mm footprint minimizes board space requirements while providing reliable ball-grid connection for automated assembly.
• Operating Temperature - 0°C to 70°C (TA) range suits commercial and industrial environments where controlled ambient conditions are maintained.

Typical Applications

• Consumer Electronics - This SDRAM serves as main memory or graphics buffer in set-top boxes, digital TVs, and media players where its synchronous operation aligns with system clocks to maintain smooth video and audio processing.
• Embedded Systems - Microcontroller-based designs use this memory for program execution and data storage, with the 4M x 16 organization matching common 16-bit processor architectures for efficient code and variable handling.
• Networking Equipment - Routers and switches employ this DRAM for packet buffering and routing tables, where the fast access time supports wire-speed forwarding and the compact package fits high-density port configurations.
• Industrial Control - HMI terminals and control systems utilize this memory for display buffers and operational data storage in factory automation equipment operating within the 0°C to 70°C temperature range.
• Communication Devices - VoIP phones and communication modules incorporate this SDRAM for call processing and protocol handling, benefiting from the synchronous architecture that simplifies timing with telecom processors.

Unique Advantages

• Reduced Board Space: The 8x8mm TFBGA package delivers 64Mbit capacity in less than one square centimeter, enabling higher component density and smaller end products.
• Simplified Timing Design: Synchronous operation with system clocks eliminates complex asynchronous timing calculations and reduces the risk of setup and hold violations.
• Broad Processor Compatibility: LVTTL interface levels work directly with most embedded processors, eliminating the need for voltage translation components and simplifying schematic design.
• Cost-Effective Memory Solution: Standard SDRAM technology and high-volume production provide an economical alternative to faster but more expensive memory types for bandwidth-appropriate applications.
• Straightforward PCB Layout: Ball-grid array mounting with 54 pins offers better routing options than quad flat packages, improving signal integrity and simplifying escape routing on dense boards.
• Active Lifecycle Status: Current production availability ensures long-term supply continuity for new designs and ongoing manufacturing without obsolescence concerns.

Why Choose IS42S16400N-7BL-TR?

The IS42S16400N-7BL-TR from ISSI represents a practical choice for designs requiring reliable, synchronous memory with standard interface characteristics. Its 64Mbit capacity and 4M x 16 organization align well with 16-bit processor architectures commonly found in cost-sensitive embedded applications, while the 143MHz operating frequency provides adequate bandwidth for most control, communication, and consumer electronics use cases.

For engineering teams prioritizing proven technology, broad compatibility, and efficient use of board space, this SDRAM offers a balanced combination of performance, size, and industry-standard operation that reduces integration risk and accelerates time to market.

Get Started with IS42S16400N-7BL-TR

Contact our sales team to discuss your memory requirements, request samples, or obtain volume pricing for the IS42S16400N-7BL-TR. Our technical support staff can assist with integration questions and provide reference designs to streamline your development process.