The UPD43256AC-15L is a 256Kbit Static RAM (SRAM) manufactured by NEC. This SRAM is organized as 32K words by 8 bits and is designed for applications requiring fast access times. It's suitable for use in various memory applications where quick data retrieval is crucial.

Applications

  
• Cache Memory: Utilized in systems where fast data access is required for frequently used information, enhancing processing speed.
  
• Buffer Memory: Applied as temporary storage to handle data transfer between devices operating at different speeds, ensuring smooth data flow.
  
• Microprocessor Systems: Implemented in microprocessor-based systems for storing data and instructions that need quick retrieval.
  
• Embedded Systems: Integrated into embedded systems requiring rapid memory access for real-time operations.
  
• Industrial Control Systems: Used in industrial automation where quick data processing is essential for control functions.

Features

  
• High-Speed Access Time: Boasts a 15ns access time, enabling fast data retrieval and enhancing system performance.
  
• Byte-Wide Organization: Organized as 32K x 8 bits, providing efficient data storage and manipulation.
  
• Low Power Consumption: Designed for low power operation, making it suitable for portable and energy-efficient devices.
  
• TTL Compatible Inputs/Outputs: Facilitates seamless integration with TTL logic circuits.
  
• Single 5V Power Supply: Operates with a single 5V power supply, simplifying power supply design.

Benefits

  
• Improved System Performance: Fast access time leads to enhanced system responsiveness and overall performance.
  
• Reduced Power Consumption: Low power consumption extends battery life in portable devices and reduces overall energy usage.
  
• Simplified System Design: TTL compatible inputs/outputs simplify integration into existing systems, reducing development time and costs.
  
• Increased Reliability: Robust design ensures stable and reliable operation, minimizing downtime.
  
• Cost-Effective Solution: Provides a balance of performance and cost for various memory applications.

Additional Details

The UPD43256AC-15L is typically available in a DIP package. It requires a single 5V power supply and includes address, data, and control signals for easy integration. This SRAM is designed to meet the requirements of high-performance memory applications, providing fast access, low power consumption, and reliable operation. It is used in a variety of applications where rapid data access is critical.