72291L15PF8

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72291L15PF8 is a logic memory device that can assist in data transmission, buffering and timing synchronization in, such as, industrial automation applications, point-to-point digital communication applications, optical communication applications, and peripheral devices. It is categorized as a FIFO, or First In - First Out, memory device.

Structurally, the 72291L15PF8 consists of a central FIFO core, an external address bus, an interface bus, and eight general-purpose I/O pins. The FIFO core contains an SRAM, or Static Random Access Memory, which serves as the storage unit. This FIFO core is further divided into two separate memory blocks. The first is the write memory block which contains 32 bytes of memory and is used for the reception of incoming data from the interface bus. The second is the read memory block which contains 32 bytes of memory and is used for the transmission of data back to the interface bus. The 72291L15PF8 features four external address input lines, two for the write block, two for the read block, which is used for memory location addressing. The device also features four communication interface bus lines, two for the write interface, two for the read interface. Additionally, the data output from the device includes a single byte pointer, a byte counter, and a byte acknowledge output.

In operation, the FIFO structure behind the 72291L15PF8 serves the purpose of temporarily storing data before it is passed on. This buffer enables quick and efficient data streaming. The basic working principle of the 72291L15PF8 is as follows. First, data bytes are sent over the communication interface bus and logged into the FIFO core in the write memory block. This can be done at different speeds, depending on the requirements of the application. When the byte counter reaches a certain value, the byte pointer will indicate this and initiate the transmission of the data in the read memory block. The data will then be transmitted in a First In - First Out manner back to the interface bus, indicating that the block has been read and is ready for new data.

The 72291L15PF8 is an ideal memory device for applications where reliability and accuracy are paramount. By providing a buffering capacity, the device helps prevent data overruns and underruns due to timing mismatch between the data source and the data sink. Data stream consistency is maintained which contributes to the overall reliability of the application. Furthermore, the device’s SRAM core ensures fast and low latency access to data when both reading and writing. Typical applications of the 72291L15PF8 include industrial automation, point-to-point digital communication, optical communication, and peripheral devices.

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