The UPD431000AGZ-85LL-KJH is a high-speed 1 Mbit (128K x 8-bit) Static Random Access Memory (SRAM) manufactured by NEC. It is designed for applications requiring fast data access and low power consumption.

Applications:

• Cache memory
• Buffer memory
• High-speed data storage
• Embedded systems
• Networking equipment

Features:

• High-speed access time: 85 ns access time ensures fast data retrieval.
• Low power consumption: Reduces energy usage and heat generation.
• Single 5V power supply: Simplified power requirements.
• TTL compatible inputs and outputs: Easy integration with TTL logic.
• 128K x 8-bit organization: Provides a convenient data storage structure.
• Three-state outputs: Allows for easy memory expansion.
• Available in a variety of packages: Provides flexibility in system design.

Benefits:

• Improved system performance: Fast access time enables quick data processing.
• Reduced power consumption: Extends battery life in portable applications.
• Simplified system design: TTL compatibility and single power supply simplifies integration.
• Increased memory capacity: 1 Mbit storage capacity allows for larger datasets.
• Flexible integration: Three-state outputs facilitate memory expansion and bus sharing.

Additional Details:

The UPD431000AGZ-85LL-KJH is a asynchronous SRAM, meaning that read and write operations are controlled by external address, data, and control signals. It typically operates from a single 5V power supply and features TTL-compatible inputs and outputs for easy interfacing with standard logic circuits. The three-state outputs allow multiple memory devices to be connected to a common bus, simplifying memory expansion. Proper decoupling capacitors should be used close to the power supply pins to minimize noise and ensure stable operation. For specific details on timing characteristics, operating conditions, and package dimensions, refer to the manufacturer's datasheet. Its fast access time and low power consumption make it well-suited for a variety of high-performance applications.