The WS628128LLP-70 is a high-speed, low-power CMOS static RAM (SRAM) manufactured by Wing Shing. It is organized as 16,384 words by 8 bits, providing a total memory capacity of 128K bits. This SRAM is designed for applications requiring fast access times and low power consumption, making it suitable for various embedded systems, microprocessor-based systems, and portable devices.

Applications:

• Embedded Systems: Used as a primary or secondary memory component in embedded systems for storing program code, data, and temporary variables.
• Microprocessor-Based Systems: Implemented in microprocessor systems to provide fast access to frequently used data and instructions, improving overall system performance.
• Portable Devices: Suitable for battery-powered portable devices, such as handheld computers, PDAs, and mobile phones, due to its low power consumption.
• Data Acquisition Systems: Employed in data acquisition systems for buffering and storing incoming data before processing.
• Industrial Control Systems: Used in industrial control systems for storing configuration parameters, control algorithms, and real-time data.

Features:

• High-Speed Access Time: Offers a fast access time of 70ns, enabling quick data retrieval and processing.
• Low Power Consumption: Consumes minimal power, extending battery life in portable applications and reducing overall system power requirements.
• CMOS Technology: Utilizes CMOS technology for improved performance, noise immunity, and reduced power dissipation.
• 16K x 8 Organization: Organized as 16,384 words by 8 bits, providing a total memory capacity of 128K bits.
• Single 5V Power Supply: Operates on a single 5V power supply, simplifying system design and reducing component count.
• TTL Compatible Inputs and Outputs: Compatible with TTL logic levels, allowing for easy interfacing with other digital components.
• Three-State Outputs: Features three-state outputs, enabling multiple devices to share a common bus.

Benefits:

• Improved System Performance: Fast access time contributes to improved overall system performance by reducing memory access latency.
• Extended Battery Life: Low power consumption extends battery life in portable applications, making it suitable for mobile devices.
• Simplified System Design: Single 5V power supply and TTL compatible inputs/outputs simplify system design and reduce component count.
• Easy Integration: Compatible with a wide range of microprocessors and digital logic devices, facilitating easy integration into existing systems.
• Reliable Operation: CMOS technology ensures reliable operation and high noise immunity, even in harsh environments.

Technical Specifications:

The WS628128LLP-70 operates with a supply voltage of 5V ±10%. It features a typical operating current of 22mA and a standby current of 5mA. The operating temperature range is typically 0°C to +70°C. The package type is typically a 28-pin DIP or SOIC.