7208L20JG8

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Introduction:

The 7208L20JG8 is a type of FIFO (First-In-First-Out) memory from Logic devices, designed for use in a variety of data communications applications. This type of memory is also known as a queueing memory and is used to store data in a first-in-first-out (FIFO) order as opposed to random access memories like other types of memories. It is often used for buffering data streams in order to allow it to be processed at a lower rate than when the data was initially received. The 7208L20JG8 FIFO has a unique design that allows it to operate reliably with speeds of up to 5MHz and can store up to 4,000 bytes of data.

Application Field:

The 7208L20JG8 FIFO Memory is mainly used in data communication, networking and telecommunications applications. It is commonly used in data buffering applications where data streams need to be processed at a lower rate than initially received. In telecommunications, it is often used in switching systems, particularly remote switching devices, to provide buffering for data streams, allowing for a more efficient switch operation. It is also used in the processing of multiple voice calls on the same line to maintain a steady stream of data.

In the networking application, it is used for data buffering in order to handle both bursts of data and constant data streams. It is also commonly used in connection queuing systems, allowing for an increase in the overall throughput of a network by distributing traffic across multiple links or by controlling access or congestion. It is also used in network security applications, providing temporary storage for data packets that are evaluated for potential malicious content.

In addition, the 7208L20JG8 FIFO memory is also used in industrial control applications such as machine vision, robotics and automated control systems where it provides real-time buffering of data streams in order to supply data to a processor or controller in a predictable manner.

Working Principle:

The 7208L20JG8 FIFO memory is a static-type FIFO that utilizes dual 64-bit shift registers, which act as two independent FIFO queues. The Dual-Port Random Access Memory (DRAM) architecture allows simultaneous access to both registers in a single clock cycle.

Data is transferred in and out of the registers via the parallel in-place bit (PIPB) ports, which use a combination of address and data buses to allow access to the memory. Both registers can be accessed at the same time, allowing for more efficient buffering of data streams. The registers are shifted one bit at a time in order to move data down the queue and make room for the next data entry. When the FIFO is full, the oldest data is discarded and the most recently received data is buffered.

The 7208L20JG8 also features an additional sector address port that directly accesses both FIFO registers. This allows for more efficient access to large chunks of data when compared to accessing the data via the PIPB ports. The register can be read and written directly, allowing for fast access times.

In order to increase the data transfer rates of the 7208L20JG8, the memory can also be configured to operate in a burst-mode. This allows for quick and efficient access to large amounts of data. This mode is most effective when operating in synchronous systems.

The 7208L20JG8 FIFO can also be used in a variety of asynchronous systems. In these applications, the register is used to quickly receive and store data before it is processed. The data is not removed until it has been processed, allowing for more efficient use of system resources.

Conclusion:

The 7208L20JG8 FIFO memory is a high performance, dual-port queueing memory designed for use in data communication, networking and telecommunications applications. It uses dual 64-bit shift registers, which act as two independent FIFO queues. Data is transferred in and out of the registers via the parallel in-place bit (PIPB) ports, which use a combination of address and data buses to allow access to the memory. In addition, the 7208L20JG8 features an additional sector address port that directly accesses both FIFO queues. The register can be read and written directly, allowing for fast access times, and can be configured to operate in a burst-mode, allowing for quick and efficient access to large amounts of data.

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