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 - Flip Flops

The SN74AHCT74DR is a dual positive edge triggered D-type flip-flop. It is part of a logic family called the Texas Instruments\' Advanced High-Speed CMOS (AHCT) logic family. It is designed for low to moderate speed applications and is a great choice for experimenting with logic and digital signals.

Application field and working principle

The SN74AHCT74DR is a flip-flop which is used to create a two-state memory. It basically changes states when a signal is triggered. This flip-flop has two outputs, Q and Q bar, which store the two states. So, when the trigger signal, the clock signal, is applied, the current state of the flip-flop is stored and the output changes, depending on the input.

The SN74AHCT74DR is primarily used for applications needing reliable digital signal switching, such as data processing and computer systems, as well as for applications where rapid changeover is necessary, such as memory scan systems or digital sampling systems. It is also suitable for use in application involving time delays or synchronization. Its versatility makes it a popular choice for many digital signal switching applications.

The SN74AHCT74DR flip-flop is a type of positive-edge triggered device, meaning the inputs must be applied with a rising edge of the clock signal. This means the signal must reach its high level in order to produce an output signal. When a signal is applied to the device\'s clock input (CLK), the two states stored in the device are inverted and the output signal is produced.

The SN74AHCT74DR also has two clear and preset inputs, which act as asynchronous inputs to the device. The clear input (CLR) forces the device to the reset state when it\'s active, while the preset active (PRE) forces the device to the set state. The clear and preset inputs override the clock input logic, regardless of the logic levels of the D and S inputs. This allows the flip-flop to be used for device initialization or resetting.

To summarize, the SN74AHCT74DR is a dual positive edge triggered D-type flip-flop suitable for use in digital signal switching applications. It has two outputs, Q and Q bar that store the two states. It has a clear and preset input which allow the device to be initialized or reset. When a signal is applied at the clock input, the output signal is produced and the current state of the flip-flop is stored. These features make it a reliable and popular choice in many digital switching applications.

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