The UPD43256BGW-B15X-9JL is a 32,768-word by 8-bit high-speed CMOS static RAM (SRAM) manufactured by NEC. It is designed for applications requiring fast access times and low power consumption. This SRAM is suitable for use in cache memory, buffer memory, and other high-performance memory systems.

Applications

• Cache memory
• Buffer memory
• High-speed data acquisition systems
• Embedded systems
• Microprocessor systems
• Digital signal processing (DSP)

Features

• High-speed access time (15 ns)
• Low power consumption
• Fully static operation (no clock required)
• TTL compatible inputs and outputs
• Three-state outputs
• Single 5V power supply
• Available in various packages (e.g., SOJ)

Benefits

• High Performance: Fast access time enables high-speed data processing and retrieval.
• Low Power Consumption: Reduces power dissipation, making it suitable for battery-powered applications and energy-efficient systems.
• Easy to Use: Fully static operation simplifies system design and eliminates the need for refresh circuitry.
• Compatibility: TTL compatible inputs and outputs allow for easy interfacing with other logic devices.
• Versatility: Suitable for a wide range of memory applications, including cache memory, buffer memory, and embedded systems.

Additional Details

The UPD43256BGW-B15X-9JL operates from a single 5V power supply. The access time is typically 15 ns, as indicated by the "-15" in the part number. The device features three-state outputs, allowing multiple memory devices to be connected to the same bus. The operating temperature range is typically -40°C to +85°C. The device is commonly packaged in a SOJ (Small Outline J-lead) package, which provides good density and ease of surface mounting. It's commonly used in applications where speed and low power consumption are critical requirements.