74HC563D,653

Series:	74HC
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	D-Type Transparent Latch
Circuit:	8:8
Output Type:	Tri-State
Voltage - Supply:	2 V ~ 6 V
Independent Circuits:	1
Delay Time - Propagation:	14ns
Current - Output High, Low:	--
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SO
Base Part Number:	74HC563

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Logic devices are important components of many integrated circuits and microcontrollers. Logic latches play an important role in many types of circuit designs. Logic latches, such as the 74HC563D and 653, are static register devices used for temporarily storing data by set-reset control. They are used to store data and ensure that this data is not changed until a specific signal is changed. Here we will discuss the application fields of 74HC563D and 653, and their working principle.

Application Field of 74HC563D and 653

The 74HC563D and 653 are static logic latches commonly used in microcontroller and logic circuits. The 74HC563D has an 8-bit register with data inputs and outputs for controlling logic levels, and the 653 two 4-bit inputs. The latches are typically used for short term or volatile data storage. The 74HC563D and 653 are capable of accepting data from the outputs of standard logic ICs, such as line-level digital signals and binary data from a microcontroller, and then amplifying the digital signal to ensure a valid output. This makes them ideal for use in digital circuits that require a reliable data store for short-term data storage. The 74HC563D and 653 are suitable for use in applications requiring reliable short-term storage, including in microcontroller and logic circuits, data transmission and processing, and high-speed data storage.

Working Principle of 74HC563D and 653

The 74HC563D and 653 are static logic latches that are controlled by set-reset control. They use two voltage levels, referred to as logic 0 and logic 1, to control whether data is stored in the register. Logic 0 is a low voltage level and logic 1 is a high voltage level. To store data in the 74HC563D and 653, one must first set the appropriate voltage levels in the input pins. The outputs will then reflect the stored data, ensuring the data is not changed until the voltage levels in the input pins are changed.The 74HC563D and 653 can also be used for multi-step logic processes, as their eight and four-bit outputs can be used to control logic processes at multiple steps. The two latches can be used together for more complex processes, as their eight and four-bit outputs can be combined for up to twelve-step processes.

Conclusion

The 74HC563D and 653 are static logic latches used for temporarily storing data by set-reset control. They are suitable for use in applications requiring reliable short-term storage, including in microcontroller and logic circuits, data transmission and processing, and high-speed data storage. The working principle of the 74HC563D and 653 is based on using two voltage levels, logic 0 and logic 1, to control whether data is stored in the register. The two latches can be used together for more complex logic processes, as their outputs can be combined for up to twelve-step processes. Overall, the 74HC563D and 653 are powerful, reliable latches for use in digital circuits, and are essential components in many integrated circuits and microcontrollers.

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