72V841L15TF

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72V841L15TF: Application Field and Working Principle

The 72V841L15TF is a member of FIFO logic family. It provides a versatile 16-bit wide First-In-First-Out (FIFO) memory device that helps store information, enabling asynchronous data exchange between two circuits or systems. It is designed with a 512 x 16-bit deep FIFO memory, a Programmable Pointer (with dual indexes) and a associated circuitry.

The main application of the 72V841L15TF is providing data buffering and storage functions. It is ideal for applications that involve transferring and storing data from any 8/16 bit system. It provides a flexible, effective, and ideal way of exchanging data between disparate data formats of various computers and networking systems.

Working Principle

The 72V841L15TF works based on the FIFO logic. When data is written it can be easily read out later in the same order whereby it was inserted into the FIFO buffer Memory. It works on the principle of a real-time controlled register. It starts with a write counter, an empty flag, a read counter, a full flag, and reset pins.

At first, the write counter points at the memory location of the FIFO memory. Then, the data is written into the pointer location. The write counter is then incremented to point at the next empty entry location in the FIFO Memory. This way data is written into the FIFO memory.

To read out the data, the read counter is used to point at the memory location. Then, the data is read out from the specified location. This read data is then discarded from the FIFO Memory and the read counter is incremented as well to point at the next full entry location in the FIFO memory. The steps are repeated when seeking additional data from the same FIFO memory.

Other Characteristics

The 72V841L15TF has a broader bandwidth compared to other FIFO memory units. It supports a write frequency ranging from hundreds of kilohertz (kHz) right up to tens of megahertz (MHz). Also, it has two separate 16-bit-wide buses for reading and writing, providing double the throughput of a standard memory FIFO unit.

This FIFO module also supports two separate banked flags, and a reset pin. These allow the user to break a single transaction into multiple pieces of data and then easily reset the FIFO output. The data stored in the FIFO memory continues to update over time. It also contains error correction circuitry, making it ideal for use in error prone environments.

Conclusion

The 72V841L15TF is a versatile 16-bit wide FIFO memory device providing data buffering and storage functions. It is ideal for applications that involve transferring and storing data from any 8/16 bit system. It operates on the principle of First-In-First-Out (FIFO) logic, which allows the user to easily read or write data into or out from the FIFO data Memory. It has comparatively higher bandwidth, double throughput, error correction circuitry and other features making it ideal for industrial applications.

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