72V85L20PA8

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Logic - FIFOs Memory

The 72V85L20PA8 is one type of high-performance FIFO, which stands for First In First Out. It is widely used in data, design and engineering fields, because of its ability to store large amounts of data and retrieve it continuously in an orderly fashion. In this article, we will discuss the application field and operating principle of the 72V85L20PA8.

Application Field

The first use of FIFOs is in the computer science field. FIFOs are used to store data when the data rate is high and the data must be retrieved sequentially and reliably. This is often done in systems with limited resources such as servers, web servers, and databases, so the data can be retrieved quickly and efficiently. FIFOs can also be used in other fields, such as telecommunications, audio/video streaming, and engineering, where large amounts of data need to be stored and retrieved quickly.

FIFOs are also used in various military, aerospace, and medical applications. In military applications, they can store and retrieve large amounts of data to and from satellites and other spacecraft. In aerospace applications, they can store and retrieve data from aircraft, weather balloons, and other craft. In medical applications, they can store and retrieve data from pacemakers, electronic braces, and other medical instruments.

Working Principle

The FIFO works by storing data in a First In First Out (FIFO) queue. This means that data is put into the FIFO in the same order it is taken out. As data is added to the queue, the oldest data is taken out first. The 72V85L20PA8 is designed to operate over a wide range of speeds, from high speed data streams to slower, more reliable streams.

The 72V85L20PA8 consists of a data buffer, a write pointer, a read pointer, a flow control register, and a status logic. The data buffer stores the data for up to 20 seconds, and the write and read pointers keep track of which data is being stored and retrieved. The flow control register allows the FIFO to automatically adjust its speed and data size depending on the data rate and size of the data being stored. The status logic keeps track of the status of the data, such as its current position in the data buffer and the length of data stored.

When data is written to the FIFO, it is written to the write pointer and the read pointer is adjusted accordingly. When data is read from the FIFO, it is read from the read pointer and the write pointer is adjusted accordingly. As data is written and read, the data buffer is updated and the status logic keeps track of the current position in the data buffer.

Conclusion

The 72V85L20PA8 is a high performance FIFO used in data, design and engineering fields to store and retrieve large amounts of data in an orderly fashion. It works by storing data in a FIFO queue and allows its speed and data size to be adjusted automatically depending on the data rate and size of the data. The internal components of the FIFO are the data buffer, the write and read pointers, the flow control register, and the status logic.

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