SN74ACT374N

Max Propagation Delay @ V, Max CL:	10ns @ 5V, 50pF
Base Part Number:	74ACT374
Package / Case:	20-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Input Capacitance:	4.5pF
Current - Quiescent (Iq):	4µA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	24mA, 24mA
Trigger Type:	Positive Edge
Series:	74ACT
Clock Frequency:	160MHz
Number of Bits per Element:	8
Number of Elements:	1
Output Type:	Tri-State, Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Active
Packaging:	Tube

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Introduction

Flip-flop is a logic device capable of storing and outputting one bit of data. It is widely used in many electronic applications, like digital storage and digital communication. As its name implies, a flip-flop can be described as a kind of circuit that stores digital information. The SN74ACT374N is a type of flip-flop product which was developed by Texas Instruments. This product is widely applied in various realms due to its high-reliability, low power consumption and high-speed outputs. It can be categorized into the logic-flip flop family because of its self-latching capabilities, stability and low jitter rate.

Application Fields

SN74ACT374N is a type of bi-directional, six-terminals bidirectional flip-flop. It provides data containment and retentivity. This product has very powerful applications in different computer and technology related fields, such as:• Used in noise reduction circuits – SN74ACT374N has been used to reduce electromagnetic interference in digital circuits. It is known for providing high noise immunity and high switching speeds.• Used in digital memory circuits – SN74ACT374N is often used as the basic digital storage element; it stores data in a binary form and it can be used to build RAM memories.• Used in synchronizing circuits – When two signals have different synchronization rates it is essential to have this type of device to synchronize them.• Used in clock generators – When it is necessary to generate a digital clock signal, this device is often used to drive a clock network, as it provides good logic level retention and switching speed properties.• Used in audio systems – Flip-flops are key players in audio related applications, they are needed to convert and represent the different audio signals. • Used in gaming machines – Flip-flops are often used in gaming machines, as they are necessary to decide the winner of the game or the next action to be taken.

Working Principle

The SN74ACT374N works on the basis of two basic states: Set and Reset. In Set state, output Q has high logic level, i.e. 5V and output Q# has low logic level, i.e. 0V. On the other hand, in Reset state, Q has low logic level, i.e. 0V, and Q# has high logic level, i.e. 5V. In order to switch from Set to Reset state, the SN74ACT374N uses a clock signal. When a high logic level (5V) is applied to the clock input C, it switches the flip-flop from Set to Reset state, and from Reset to Set state when there is a low logic level at the clock input (0V).The SN74ACT374N also contains two flip-flops internally: the preset flip-flop and the reset flip-flop. These two can be used independently or simultaneously. When a logic high is applied to the preset input, the S output of the preset flip-flop will be pulled to the high logic level, thus setting the flip-flop in the Set state regardless of the clock input. A logic low signal at the reset signal will pull the R output of the reset flip-flop to the low logic level and thus reset the flip-flop to the Reset state.

Conclusion

The SN74ACT374N is a very useful logic device that is used in many applications. It is a one-bit flip-flop that is used to store and output digital information. This product is known for its high-reliability, low power consumption, and high-speed outputs. This device is used in various realms that include digital memory circuits, synchronizing circuits, noise reduction circuits, clock generators, audio systems and gaming machines. It consists of two internal flip-flops, whose outputs can be set or reset independently or simultaneously.

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