The UPD43257BGU-85L is a high-speed, low-power 256K x 16-bit CMOS Static RAM (SRAM) manufactured by NEC. Designed for applications demanding fast access times and low power consumption, this SRAM offers a balance between performance and efficiency.

Applications:

• High-speed cache memory systems
• Buffer memory in embedded systems
• Workstations and personal computers
• Networking equipment like routers and switches
• Digital signal processing (DSP) applications

Features:

• High-speed access time: 85ns
• Low power consumption: Active and standby modes for optimized power management
• 256K x 16-bit memory organization: Provides substantial memory storage
• CMOS technology: Ensures low power operation and enhanced reliability
• Single 5V power supply: Simplifies power supply design
• TTL compatible inputs and outputs: Facilitates easy interfacing with standard logic circuits
• Three-state outputs: Supports memory expansion and bus sharing

Benefits:

• Enhanced system performance: Fast access times minimize latency and improve overall system throughput.
• Reduced power consumption: Low power design extends battery life in portable devices and lowers energy costs.
• Improved system reliability: CMOS technology ensures stable and reliable operation across a wide range of conditions.
• Simplified integration: TTL compatible I/O and a single 5V supply streamline system design.
• Adequate memory capacity: 256K x 16-bit organization provides sufficient memory for various applications.

Additional Details:

The UPD43257BGU-85L SRAM is commonly available in a standard package, making it easy to mount and connect on printed circuit boards (PCBs). It is designed to operate within a specified temperature range, ensuring consistent performance in diverse environments. With high noise immunity, it maintains reliable operation even in electrically noisy settings. Its robust construction makes it a good choice for industrial and commercial applications where consistent performance is paramount.