72V85L15PA8

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The 72V85L15PA8 is a FIFO, short for First In First Out, memory device. It is used for temporary data storage, allowing for linear addressing of the data stored. It is often used in DMA or memory mapping applications, where data needs to be retrieved in order, without the processor having to continually track the position of the data. The FIFO has a variable width of 8 - 15 bits, and operates at an operating voltage of 5V.

Application Field

The 72V85L15PA8 is most commonly used in data transmission, such as serial data handling or digital signal processing. It is especially well suited for these applications, as it allows for data to be received in linear format, without the overhead of continuously tracking the data’s current position. Other potential applications include ADCs, DACs, 8/16 bit microcontrollers and peripherals, and embedded processors.

Working Principle

The 72V85L15PA8 stores the data serially, meaning that each bit of data is stored in the sequence it was received, rather than adjacent to the previous bits. This allows for continuous data storage, without the processor having to constantly keep track of each bit in storage. As data is stored, the FIFO continuously shifts upwards, so that all the elements at the start of the FIFO are shifted off the beginning, while the elements at the end of the FIFO remain in place, meaning there is never a need to manually shift elements around. Furthermore, the 72V85L15PA8 also supports dual port access memory, allowing the processor to access the data stored without disruption.

The 72V85L15PA8 is capable of storing up to 256 bytes of data, and is equipped with additional features such as acknowledging hold and transfer cycles, programmable data direction and data size, and power down monitoring. It is also designed to work with common processor busses, such as the Parallel Bus Interface Standard (PBIS) and GE\'s BusCable interface. All these features combine to make the 72V85L15PA8 an ideal choice for data communications and data storage applications.

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