74F543SPC

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The 74F543SPC is a logic device which falls into the category of logic buffers, drivers, receivers, transceivers. It is a bidirectional multiplexer, which is an important function for configuring and controlling the direction of signals. It is used for bidirectional communication in systems and helps in minimizing the number of used ports in the system. The pins of the device are also used for bus multiplexing.

The 74F543SPC consists of 8 data inputs for the A and B buses, 8 devices select bits for selecting the data being taken from the input, a master Mode select pin (M), two direction control pins (DIR A and DIR B), and an active low Output Enable (OE) pin. The 74F543SPC can be used as a reversible multiplexer, a reversible demultiplexer, or a bus inversion circuit.

The working principle of the 74F543SPC is relatively simple. When the M pin is asserted high, the A bus and B bus data exchange. The direction of data is determined by the level of the respective direction control pins (Dir A and Dir B). When Dir A and Dir B are both asserted high, data are transferred from the A bus to the B bus. When Dir A and Dir B are both low, data are transferred from the B bus to the A bus. The active low Output Enable (OE) pin controls the device output. When OE is low, the output is enabled and valid data is visible on the output buses.

The 74F543SPC is generally used in applications such as bus transceivers, bus inversion circuits, multiplexer/demultiplexers, and address select circuits. It is also used for controlling direction of data flows in memory devices, interrupt systems, and communication interfaces. In addition to these uses, because it is a TTL compatible device, it can be used for clock mixing, encoding/decoding, several logic levels, data routing, and bus transceiver applications, and many other applications that use logic-level adapters.

The 74F543SPC is a very versatile logic device that can be used in a wide variety of applications. It has the ability to control the direction of data flows, multiplex, and demultiplex inputs, and enable or disable outputs simply by asserting the appropriate pins. By understanding the device\'s features, applications, and working principle, users can easily incorporate the 74F543SPC into their own designs.

The specific data is subject to PDF, and the above content is for reference