The UPD28C64C20 is a high-speed, low-power 64K (8192 x 8) CMOS static RAM (SRAM) manufactured by NEC. This memory chip offers fast access times, making it suitable for various applications requiring quick data retrieval and storage. It is designed for use in systems demanding high performance and low power consumption.

Applications:

• High-speed cache memory
• Buffer memory
• Microprocessor systems
• Digital signal processing (DSP) systems
• Workstations and personal computers
• Industrial control systems
• Telecommunications equipment

Features:

• High-speed access time: 20 ns
• Low power consumption: CMOS technology ensures minimal power usage.
• Fully static operation: No clock or refresh required for operation.
• Single 5V power supply: Operates on a single 5V power source, simplifying system design.
• TTL compatible inputs and outputs: Facilitates easy interfacing with other TTL logic devices.
• Three-state outputs: Allows for easy memory expansion.
• Available in DIP and SO packages: Offers flexibility in mounting options.

Benefits:

• Improved system performance: Fast access times enhance overall system speed and efficiency.
• Reduced power consumption: Low power requirements translate to lower energy costs and extended battery life in portable devices.
• Simplified system design: Single 5V power supply and TTL compatible I/O simplify integration into existing systems.
• Enhanced reliability: Static operation eliminates the need for refresh cycles, increasing data integrity and system stability.
• Versatile applications: Suitable for a wide range of applications, from high-speed cache memory to industrial control systems.

Additional Details:

The UPD28C64C20 utilizes advanced CMOS technology to achieve a balance between speed and power consumption. Its fully static design ensures that data is retained as long as power is applied, without the need for complex refresh circuitry. The device's TTL compatible inputs and outputs allow for seamless integration with other digital logic components, making it a versatile choice for a variety of memory applications. It's available in both DIP (Dual In-line Package) and SO (Small Outline) packages, allowing for flexible mounting options on printed circuit boards.