IS42S32800B-7TL-TR

The IS42S32800B-7TL-TR is a 256-megabit synchronous DRAM designed for applications requiring high-speed, parallel memory access. Built on a reliable SDRAM architecture with an 8M x 32 organization, this device operates at clock frequencies up to 143 MHz with a 5.5ns access time. It provides dependable volatile memory storage for embedded systems and computing applications operating in standard commercial temperature ranges.

Key Features

• High-Density Memory Organization - 256Mbit capacity arranged as 8M x 32, offering flexible addressing for data-intensive applications.
• Fast Access Performance - 5.5ns access time with 143 MHz clock frequency support enables rapid data throughput for time-sensitive operations.
• Standard Voltage Operation - 3V to 3.6V supply voltage ensures compatibility with common digital logic standards and simplifies power supply design.
• Parallel Interface - Direct parallel data bus provides straightforward integration with microprocessors, DSPs, and FPGAs without protocol overhead.
• 86-TSOP II Package - Space-efficient 86-pin TSOP II footprint (10.16mm width) balances pin count requirements with board space constraints.
• Commercial Temperature Range - 0°C to 70°C operating range suits standard indoor and climate-controlled environments.

Typical Applications

• Embedded Computing Systems - This SDRAM serves as main memory in embedded processors and single-board computers where the parallel interface enables direct CPU memory access with minimal latency.
• Digital Signal Processing - The high-speed access time and wide 32-bit data bus support DSP applications requiring rapid buffer access for real-time audio, video, or communications signal processing.
• Networking Equipment - Provides packet buffering and routing table storage in routers and switches where the 256Mbit capacity and fast access times support line-rate packet processing.
• Test and Measurement Instruments - Offers data capture buffering in oscilloscopes, logic analyzers, and spectrum analyzers where the synchronous design synchronizes with acquisition clocks for deterministic storage timing.
• Consumer Electronics - Suitable for set-top boxes, printers, and office equipment requiring cost-effective volatile memory in commercial temperature environments.

Unique Advantages

• Simplified Memory Interface Design: Parallel SDRAM architecture eliminates complex protocol handling required by serial memory types, reducing firmware complexity and accelerating time-to-market.
• Deterministic Access Timing: Synchronous operation provides predictable memory access cycles that simplify real-time system design and timing analysis.
• Wide Data Bus Efficiency: 32-bit parallel interface delivers higher burst throughput than narrower memory configurations, reducing the number of access cycles needed for large data transfers.
• Standard 3.3V Operation: Compatibility with common digital logic voltage levels eliminates level shifters and reduces component count in mixed-signal designs.
• Mature SDRAM Technology: Well-understood technology with extensive design resources and proven reliability records simplifies qualification and reduces integration risk.
• Cost-Effective Density: 256Mbit capacity provides substantial memory space at competitive pricing for applications not requiring DDR performance levels.

Why Choose IS42S32800B-7TL-TR?

The IS42S32800B-7TL-TR offers a practical memory solution for designs where parallel SDRAM architecture provides optimal cost-performance balance. Its 143 MHz operation and 5.5ns access time deliver adequate bandwidth for mainstream embedded applications without the power consumption and design complexity of higher-speed DDR alternatives. The 8M x 32 organization efficiently matches common 32-bit processor architectures.

This component suits engineers developing cost-conscious embedded systems, legacy product updates, or applications where standard SDRAM interface familiarity reduces development risk. The commercial temperature range and 3.3V operation align with typical indoor equipment requirements. Please note this part carries an obsolete lifecycle status, making it most appropriate for existing design continuity or where long-term availability is not critical.

Contact Us for Availability

For current stock levels, volume pricing, or technical specifications on the IS42S32800B-7TL-TR, please contact our sales team. We can assist with product selection, provide application guidance, and offer quotations tailored to your project requirements.