The IDT72851L15FP is a high-speed, CMOS FIFO (First-In, First-Out) memory device manufactured by Renesas Electronics America. This device is designed for applications requiring asynchronous data buffering, rate conversion, and data synchronization. Its key feature is its ability to handle data at very high speeds, making it suitable for demanding applications.

Applications

• Data Communications
• Networking Equipment
• Digital Signal Processing (DSP) Systems
• Video Processing
• High-Speed Data Acquisition

Features

• High-speed operation: Supports data rates up to 66 MHz.
• Asynchronous operation: Allows independent read and write clock frequencies.
• Low power consumption: CMOS technology minimizes power dissipation.
• Fully expandable: Depth and width expandable using multiple devices.
• Empty, Full, and Half-Full flags: Provides status indicators for efficient data management.
• Retransmit capability: Allows data to be reread from the beginning.

Benefits

• Improved system performance: High-speed operation reduces data transfer bottlenecks.
• Increased design flexibility: Asynchronous operation simplifies system timing.
• Reduced power consumption: Minimizes heat generation and extends battery life in portable applications.
• Simplified system design: Expansion capability allows for easy scaling of memory capacity.
• Efficient data management: Status flags prevent data overflow and underflow.

Additional Details

The IDT72851L15FP operates from a single 5V power supply. It is available in a variety of package options. Its asynchronous operation is crucial in systems where the data producer and consumer operate at different clock speeds. The FIFO's flags (Empty, Full, Half-Full) allow external logic to monitor the FIFO's status and prevent overflow or underflow conditions. The retransmit capability is particularly useful in applications requiring error recovery or data replay. The device is designed for reliable operation over a wide temperature range.

Specific technical specifications include a maximum access time of 15ns, a typical power dissipation of less than 100mW, and compatibility with TTL logic levels.