The V62C518256LL-70F is a 256K x 8 bit Low Power CMOS Static RAM (SRAM) manufactured by Mosel Vitelic. It is designed for applications demanding low power consumption and fast access times. This SRAM is suitable for use in portable devices, battery-backed systems, and other applications where power efficiency is crucial. Its asynchronous operation simplifies integration into various system architectures.

Applications:

• Portable devices (e.g., handheld computers, mobile phones)
• Battery-backed memory systems
• Cache memory
• Data loggers
• Embedded systems

Features:

• Organization: 256K x 8 bits
• Access time: 70ns
• Low power CMOS technology
• Single 5V ±10% power supply
• Fully static operation (no clock or refresh required)
• Equal access and cycle times
• Three-state outputs
• Data retention voltage: 2V (min)
• Available in various packages, including SOJ and DIP

Benefits:

• Low power consumption extends battery life in portable devices.
• Fast access time ensures quick data retrieval and processing.
• Static operation simplifies system design and eliminates refresh requirements.
• Wide operating voltage range provides flexibility in power supply design.
• Three-state outputs allow for easy memory expansion.

Additional Details:

The V62C518256LL-70F SRAM operates asynchronously, meaning that data access is not synchronized to a clock signal. This simplifies the interface and reduces complexity in some applications. The -70F denotes the access time of 70ns. The device offers equal access and cycle times, ensuring consistent performance. It typically comes in a 28-pin package, and the specific package type (e.g., SOJ, DIP) may vary. The SRAM requires a single 5V power supply. Refer to the manufacturer's datasheet for detailed specifications, timing diagrams, and application notes to ensure proper implementation.