The Winbond W28V400BT-85C is a high-speed, CMOS static RAM (SRAM) device organized as 512K x 8 bits. This SRAM provides fast access times and low power consumption. The '85C' denotes an access time of 85ns and that the device is designed to operate within the commercial temperature range (0°C to +70°C).

Applications

• Cache Memory: Used as cache memory in processors and embedded systems to improve performance.
• Buffer Memory: Employed as buffer memory in communication and data processing systems.
• Data Acquisition Systems: Utilized in data acquisition systems for temporary data storage.
• Networking Equipment: Found in network devices for storing routing tables and packet data.
• Industrial Control Systems: Used in industrial control equipment for temporary data storage and real-time processing.

Features

• Fast Access Time: 85ns access time ensures quick data retrieval and storage.
• Low Power Consumption: Designed for energy-efficient operation.
• Single 5V Power Supply: Operates on a single 5V power supply.
• TTL Compatible Inputs and Outputs: Interfaces seamlessly with TTL logic circuits.
• Three-State Outputs: Allows for easy memory expansion.
• Data Retention: Ensures data is retained as long as power is supplied.

Benefits

• High Performance: Fast access time improves system performance.
• Low Power Consumption: Reduces energy consumption.
• Ease of Use: Simple interface simplifies integration into existing systems.
• Reliable Data Storage: Provides a robust solution for temporary data storage.

Additional Details

The W28V400BT-85C is typically available in a DIP (Dual In-line Package) or SOJ (Small Outline J-lead) package. It features three-state outputs, which allow for easy memory expansion. The device is designed to operate within the commercial temperature range. It is suitable for applications that require fast access times and reliable data storage.