IS42S16320F-7TL-TR

The IS42S16320F-7TL-TR is a 512Mbit synchronous DRAM (SDRAM) from ISSI, Integrated Silicon Solution Inc. Organized as 32M x 16, this parallel-interface memory component operates at clock frequencies up to 143MHz with a fast 5.4ns access time. Designed for commercial temperature applications (0°C to 70°C), this SDRAM provides reliable, cost-effective volatile memory for embedded systems, computing platforms, and industrial equipment requiring moderate density and performance.

This active lifecycle component delivers the balance of density, speed, and voltage compatibility needed for mainstream applications where standard SDRAM architecture remains the optimal choice for both new designs and legacy system maintenance.

Key Features

• Memory Architecture - 512Mbit density organized as 32M x 16, providing flexible word-width configuration for various system architectures and enabling efficient bus utilization in 16-bit data path designs.
• Performance Specifications - 143MHz clock frequency with 5.4ns access time delivers reliable throughput for data buffering, frame storage, and general-purpose memory applications where moderate speed requirements align with cost targets.
• Power and Voltage - 3V to 3.6V supply voltage range ensures compatibility with standard 3.3V logic systems and reduces power supply design complexity in mixed-voltage environments.
• Interface Type - Parallel memory interface follows standard SDRAM timing and control protocols, simplifying integration with established memory controllers and processor architectures.
• Package Configuration - 54-pin TSOP II package (0.400" / 10.16mm width) offers industry-standard footprint compatible with automated assembly processes and proven thermal characteristics.
• Operating Temperature - 0°C to 70°C commercial temperature range suits applications in controlled environments including office equipment, consumer electronics, and standard industrial installations.

Typical Applications

• Embedded Computing Systems - This SDRAM serves as main memory or frame buffer in embedded processors and single-board computers where the 512Mbit density and parallel interface align with legacy architectures and moderate performance requirements, enabling cost-effective system memory solutions.
• Industrial Controllers and Automation - The component provides reliable data storage for programmable logic controllers (PLCs) and human-machine interfaces (HMIs) operating within the 0°C to 70°C range, where SDRAM's proven technology and widespread controller support simplify design and reduce validation time.
• Networking and Telecommunications Equipment - In routers, switches, and communication modules, this memory handles packet buffering and data queuing where the 143MHz operation and 32M x 16 organization efficiently support moderate-throughput networking applications without over-specification.
• Consumer Electronics and Set-Top Boxes - The SDRAM functions as working memory in digital media players, set-top boxes, and consumer devices where the standard voltage range and commercial temperature rating match typical operating conditions and cost constraints.
• Legacy System Maintenance and Upgrades - With active lifecycle status, this component supports long-term availability for existing designs requiring drop-in replacements or capacity upgrades, protecting investment in established platforms and extending product lifecycles.

Unique Advantages

• Active Lifecycle Status: Ongoing availability from ISSI ensures continuity for both new designs and long-term production, reducing obsolescence risk and supporting extended product lifecycles without costly redesigns.
• Industry-Standard Footprint and Interface: The 54-TSOP II package and standard SDRAM protocol enable direct substitution in existing layouts and compatibility with mature memory controller IP, minimizing design effort and validation time.
• Balanced Density and Performance: The 512Mbit capacity at 143MHz operation targets the sweet spot for many embedded applications, avoiding both under-specification and unnecessary cost premiums from higher-performance alternatives.
• Proven Technology Foundation: SDRAM architecture benefits from decades of refinement and broad ecosystem support, providing predictable behavior, extensive controller compatibility, and readily available design resources.
• Cost-Effective Memory Solution: Standard parallel SDRAM offers lower component costs compared to newer memory technologies, optimizing total BOM expenses for applications where DDR migration is not justified by performance requirements.
• Simplified Power Distribution: Single 3V to 3.6V supply voltage reduces power rail count and regulator complexity compared to multi-voltage memory solutions, streamlining power supply design and improving overall system efficiency.

Why Choose IS42S16320F-7TL-TR?

The IS42S16320F-7TL-TR represents a practical choice for designs requiring reliable, cost-effective volatile memory with standard interfaces and proven compatibility. Engineers working on embedded systems, industrial controls, or legacy platform maintenance will appreciate the component's balance of adequate performance, straightforward integration, and active lifecycle support. The parallel SDRAM architecture eliminates the complexity of high-speed signaling and training sequences required by newer memory types, making it ideal for moderate-performance applications where simplicity and cost control are priorities.

For projects where 512Mbit density aligns with memory requirements and commercial temperature range suits the operating environment, this ISSI component delivers dependable memory functionality backed by industry-standard packaging and an established supplier. The active status ensures availability for both prototyping and volume production, protecting your design investment over the product lifecycle.

Contact Our Team

Request a quote for the IS42S16320F-7TL-TR or speak with our technical sales team to discuss volume pricing, lead times, and application support for your specific project requirements. We can assist with component selection, availability planning, and integration guidance to help you meet your development timeline.