72V02L25JGI

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A FIFOs memory, such as the 72V02L25JGI, is a type of memory storage that is accessed in the same way that conventional RAM works. It is still used in modern computing to buffer between memories or CPUs and peripheral devices.

A FIFO stands for First-In, First-Out and is used in general terms to refer to a mechanism that works with a list of objects in the order they were added. In terms of memory, FIFO memory is used to store data that needs to be accessed in the order it is received.

The 72V02L25JGI is a type of FIFO memory designed for use in a variety of applications. It is a 2-megabyte SRAM-based memory that is composed of 256 32-bit words. It comes in two packages, an 8-bit wide x 21-bit deep device and an 8-bit wide x 25-bit deep device. The 72V02L25JGI is primarily used in communications and networking applications.

The main function of the 72V02L25JGI is to act as a buffer between memories or CPUs and peripheral devices. It receives a source data word, stores it in its internal memory, and then moves it to its destination using a first-in, first-out scheme. This process buffers data transmissions and prevents transmission errors that could occur when the source data word would otherwise be received too quickly for the destination to process or understand it.

The 72V02L25JGI also contains a programmable read/write pointer. This pointer is used to track the locations of data stored in the FIFO. The pointer can be programmed with an initial address and the address of the next word to be read or written to. As the pointer moves through the FIFO, it can compare two values, the current address and the next address. This allows the FIFO to recognize when data has been read or written and can be used to generate read/write ready signals.

The 72V02L25JGI also provides two interrupts. One of the interrupts is used to alert the CPU when the FIFO is completely empty and the other to indicate when it is completely full. This allows the FIFO to be used as a buffer for arbitration and priority schemes between processors or peripherals.

Overall, the 72V02L25JGI is an important piece of memory for modern computing. It is used to buffer between memories or CPUs and peripheral devices and offer a first-in, first-out approach to data stored in its internal memory. It also provides read/write pointers and interrupts so that it can be used for arbitration and priority schemes.

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