SN74HC563DWG4

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

Logic-Latches, in the context of digital electronics, are devices that hold data in a static form, and can reliably store it even when the input power is withdrawn. A common latch device is the SN74HC563DWG4, a 8-bit latch/transceiver made by Texas Instruments. Understanding the application field and the working principle of the SN74HC563DWG4 is integral to getting the most out of this powerful device.

Application Field

At its most basic, the SN74HC563DWG4 is a 8-bit latch, meaning it can hold 8 bits of data at once. The 8-bit data is clocked into the latch by setting the appropriate input pins high or low. This makes the SN74HC563DWG4 useful for storing data buffers and communicating between integrated circuits. It is popularly used for task such as framing, control word management, progression control, frequency division, and buffering.

However, the SN74HC563DWG4 has an additional trick up its sleeve if you utilize its true power. With the LATCH enable pin bought low, the SN74HC563DWG4 can function as a transceiver, allowing it to both send and receive data. This greatly expands the possible applications of the chip and allows it to become more than just a data storage device, making it ideal for applications such as pairing two devices with matching serial ports, enabling switch selectors and branching data flow.

Working Principle

In broad terms, the working principle of the SN74HC563DWG4 is simple: it uses latches to store data in a non-volatile manner. To understand this in greater detail, it is necessary to look at how the device interacts with its four primary components – the data inputs, the data outputs, the clock and the latch enable.

The data inputs, represented by D0 to D7, are used to clock data into the latch. The data outputs, represented by Q0 to Q7, are used to access the data stored in the latch. The clock, represented by CLK, is used to control the flow of data between the data inputs and the latch. Lastly, the LATCH enable, represented by LE, is used to control whether or not the latch is enabled. When it is bought low, the chip will function as a transceiver, allowing data to flow out and into the latch based on the clock signal.

With these four components working together, the SN74HC563DWG4 can fulfill both its latch and transceiver functions. When set-up correctly, data can reliably be stored and then access at a later date.

Conclusion

The SN74HC563DWG4 is a powerful and versatile chip that can be used to store and communicate data. By understanding its application field and working principle, users can better utilize the chip to solve a variety of tasks.

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