IS42S83200B-7TL-TR

The IS42S83200B-7TL-TR is a 256Mbit synchronous dynamic RAM (SDRAM) organized as 32M x 8 bits. This parallel interface memory device operates at clock frequencies up to 143MHz with a 5.4ns access time, making it well-suited for embedded systems requiring cost-effective volatile memory with moderate performance requirements. Manufactured by ISSI (Integrated Silicon Solution Inc), this SDRAM provides reliable temporary data storage for commercial temperature applications.

Key Features

• Memory Configuration: 256Mbit density organized as 32M x 8, providing straightforward byte-wide data access for embedded processors and controllers.
• Performance Specifications: Operates at clock frequencies up to 143MHz with 5.4ns access time, delivering balanced performance for commercial applications.
• Power Supply: Single 3V to 3.6V supply voltage simplifies power design and reduces component count in modern 3.3V systems.
• Interface: Parallel SDRAM interface provides direct memory access for microcontrollers and processors without requiring serial conversion.
• Package: Available in 54-pin TSOP II (0.400", 10.16mm width) package, a standard form factor for surface-mount memory applications.
• Operating Temperature: Commercial temperature range of 0°C to 70°C covers typical indoor and controlled environment applications.

Typical Applications

• Embedded Computing Systems: This SDRAM serves as program execution memory and data buffer in embedded processors, where the 32M x 8 organization matches common 8-bit and 16-bit microcontroller bus widths for efficient memory expansion.
• Consumer Electronics: The device provides temporary storage for set-top boxes, digital displays, and home automation controllers where moderate density and commercial temperature range meet application requirements while maintaining cost efficiency.
• Network Equipment: Suitable for packet buffering and routing table storage in commercial-grade routers and switches operating in climate-controlled environments, where the 143MHz clock frequency supports moderate data throughput needs.
• Test and Measurement Instruments: Functions as data acquisition buffer memory in benchtop instruments and analyzers, where the parallel interface enables fast direct memory access for sample storage and processing.
• Point-of-Sale Terminals: Provides working memory for retail POS systems and transaction processors operating in commercial environments, where reliable volatile storage supports application execution and transaction buffering.

Unique Advantages

• Standard 3.3V Operation: Single voltage rail simplifies power supply design and reduces board complexity compared to dual-voltage memory solutions.
• Byte-Wide Organization: The 32M x 8 configuration eliminates the need for byte-enable logic in 8-bit microcontroller applications, simplifying interface design.
• Proven TSOP II Package: Industry-standard package footprint ensures compatibility with existing board layouts and automated assembly processes.
• Synchronous Operation: SDRAM architecture provides predictable timing and simplified interface compared to asynchronous DRAM, reducing design complexity.
• Moderate Density Sweet Spot: 256Mbit capacity addresses applications requiring more than low-density SRAMs but less than high-density DDR solutions, optimizing cost per bit.
• Established Technology: Mature SDRAM technology offers stable supply and well-understood design practices for legacy system maintenance and production.

Why Choose IS42S83200B-7TL-TR?

The IS42S83200B-7TL-TR is positioned for embedded applications requiring moderate-density volatile memory with straightforward parallel interfacing. Its 256Mbit capacity and byte-wide organization make it particularly suitable for 8-bit and 16-bit microcontroller-based systems where SRAM would be cost-prohibitive and DDR would be unnecessarily complex. The commercial temperature range and standard TSOP II package address typical indoor applications in consumer, industrial, and commercial equipment.

Note: This product has an Obsolete lifecycle status. Designers should verify long-term availability with the manufacturer and consider alternatives for new designs. This SDRAM may be appropriate for legacy system support, repair inventory, or short-lifecycle products where established designs are being maintained.

Contact Sales

For pricing, availability, and technical specifications on the IS42S83200B-7TL-TR, please contact our sales team. We can provide volume quotes, lead time information, and assistance with design-in support for your specific application requirements.