The UPD43257BGU-70LL is a high-speed, low-power 256K x 16-bit 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 various memory applications where speed and power efficiency are critical.

Applications:

• High-speed cache memory
• Buffer memory for data processing
• Workstations and high-performance PCs
• Networking equipment (routers, switches)
• Digital signal processing (DSP) systems

Features:

• High-speed access time: 70ns
• Low power consumption: Active and standby modes for power saving
• 256K x 16-bit organization: Provides ample memory capacity
• CMOS technology: Ensures low power operation and high reliability
• Single 5V power supply: Simplifies power supply requirements
• TTL compatible inputs and outputs: Enables easy interfacing with other logic devices
• Three-state outputs: Allows for memory expansion and bus sharing

Benefits:

• Improved system performance: Fast access times reduce latency and improve overall system speed.
• Reduced power consumption: Low power operation extends battery life in portable applications and reduces overall energy costs.
• Increased system reliability: CMOS technology ensures stable and reliable performance over a wide range of operating conditions.
• Simplified system design: TTL compatible inputs/outputs and a single 5V power supply simplify integration into existing systems.
• Increased memory capacity: 256K x 16-bit organization provides sufficient memory for demanding applications.

Additional Details:

The UPD43257BGU-70LL SRAM is typically available in a standard package, which facilitates easy mounting and connection to PCBs. It is designed to operate within a specified temperature range, ensuring consistent performance in various environments. The device is also characterized by its high noise immunity, which further enhances its reliability in noisy environments. Its robust design makes it a suitable choice for demanding industrial and commercial applications.