The UPD431000AGZ-B15 is a 1 Mbit (128K x 8) static RAM (SRAM) manufactured by NEC. This memory device offers fast access times and is used in applications requiring high-speed data storage and retrieval. The '-B15' likely denotes a specific speed grade, in this case a 15ns access time. The AGZ likely refers to package type and other specific characteristics.

Applications

• Cache Memory: Used as cache memory in microprocessors and microcontrollers.
• High-Speed Data Buffering: Employed in data acquisition systems and communication equipment for temporary data storage.
• Embedded Systems: Found in various embedded applications requiring fast data access.
• Digital Signal Processing (DSP): Used in DSP systems for storing intermediate data and coefficients.
• Instrumentation: Integrated into test and measurement equipment for storing data and program code.

Features

• 1 Mbit (128K x 8) Organization: Provides a storage capacity of 1 megabit, organized as 128 kilobytes with 8-bit word width.
• Fast Access Time (15ns): Enables quick data retrieval for high-speed applications.
• Single 5V Supply: Operates with a single 5-volt power supply, simplifying system design.
• Low Power Consumption: Offers relatively low power consumption for battery-powered applications.
• TTL Compatible Inputs and Outputs: Compatible with standard TTL logic levels.

Benefits

• High-Speed Operation: Provides fast data access for demanding applications.
• Non-Volatile Data Storage: Retains data as long as power is applied.
• Simplified System Design: Reduces component count and simplifies board layout.
• Reliable Performance: Offers robust and reliable data storage in various operating conditions.
• Wide Temperature Range: Operates over a wide temperature range for industrial applications.

The UPD431000AGZ-B15 is designed for easy integration into existing systems with a standard JEDEC pinout. It supports both byte and word write operations, offering flexibility in data storage. The device incorporates data protection mechanisms to prevent accidental data corruption during power-up and power-down sequences. It is available in various package options, including DIP and SOJ, to accommodate different mounting requirements. The device is a suitable choice for applications where high-speed data access and reliable performance are critical.