The MSM514260A-70JS is a 262,144-word x 4-bit Dynamic RAM (DRAM) manufactured by OKI. It is designed for high-performance applications requiring fast access times and low power consumption. This DRAM utilizes OKI's advanced process technology to achieve a balance of speed and efficiency.

Applications

• Cache memory in computer systems
• Graphics cards
• Digital signal processing (DSP) systems
• High-speed data acquisition systems
• Embedded systems requiring RAM

Features

• Organization: 262,144 words x 4 bits
• Access Time: 70ns
• Power Supply Voltage: 5V
• Operating Current: Low active and standby current
• Package: SOJ (Small Outline J-lead)
• Refresh: Requires periodic refresh cycles to maintain data integrity.
• Input/Output: TTL compatible

Benefits

• High Speed: 70ns access time enables rapid data retrieval, improving system performance.
• Low Power Consumption: Minimizes energy usage, making it suitable for battery-powered applications.
• Compact Size: SOJ package allows for high-density board layouts.
• TTL Compatibility: Simplifies interfacing with other digital components.
• Reliable Data Storage: Ensures data integrity through refresh cycles.

Additional Details

The MSM514260A-70JS requires a stable 5V power supply for optimal operation. Proper decoupling capacitors should be used near the power supply pins to minimize noise. The refresh cycle must be implemented according to the manufacturer's specifications to prevent data loss. The part is sensitive to electrostatic discharge (ESD) and should be handled with appropriate precautions.

The SOJ package allows for surface mounting, which is conducive to automated assembly processes. This part provides a cost-effective memory solution for various applications needing moderate amounts of high-speed RAM. It is essential to consult the datasheet for detailed timing diagrams and operating conditions to ensure proper system integration.