SN74AC74DE4

Max Propagation Delay @ V, Max CL:	10ns @ 5V, 50pF
Base Part Number:	74AC74
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Input Capacitance:	3pF
Current - Quiescent (Iq):	2µA
Voltage - Supply:	2 V ~ 6 V
Current - Output High, Low:	24mA, 24mA
Trigger Type:	Positive Edge
Series:	74AC
Clock Frequency:	160MHz
Number of Bits per Element:	1
Number of Elements:	2
Output Type:	Differential
Type:	D-Type
Function:	Set(Preset) and Reset
Part Status:	Active
Packaging:	Tube

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Logic-Flip Flops

The SN74AC74DE4 is a type of flip-flop that can be used in the construction of logic circuits. It is used to store information in the form of binary data. The flip-flop is designed with two input signals and two output signals, which are switched by the operating logic of the flip-flop.An SN74AC74DE4 flip-flop can be used to construct circuits as simple as a two-bit memory cell, or as complex as a processor or an arithmetic logic unit. Depending on the specific application, the same type of flip-flop can be configured with two different input signals and two different output signals, allowing the circuit to have different modes of operation.Flip-flops are incredibly useful for storing data in digital circuits, as they allow for synchronized information exchange between two logic circuits. Flip-flops can also be used for counting, timer operations, shift registers, and random access memory (RAM) construction.When designing a logic circuit, one should consider the working principle and application field of the flip-flop used. For example, the type of flip-flop used in a memory cell will differ from that used for shifting data.An SN74AC74DE4 flip-flop is a type of static or clocked flip-flop. It is composed of two identical sections connected together, each comprising two positive-edge triggered D-type flip-flops with complementary outputs. This means that each flip-flop has both a ‘high’ (1) and a ‘low’ (0) output, corresponding to the input signals.In operation, the two sections are enabled simultaneously and each section functions independently in the sense that each section produces its own output signal. When a logic pulse is applied to the clock input, the two sections are triggered simultaneously, causing both sections to switch state and output their stored data. The stored data can be stored for as long as the flip-flop is enabled, making the data stored in a specific sequence through the use of flip-flops.The application field of an SN74AC74DE4 flip-flop can vary from data storage to simple computation circuits. They are most commonly used in the construction of RAM circuits, where the data stored in the flip-flop is constantly being updated as the program is running, allowing for fast access to data that can be used for computations.Flip-flops are also commonly used in the construction of logic circuits. When two logic circuits exchange data, the data is stored in a flip-flop and the logic circuit that needs the data will pull it out when it is ready to use it.Flip-flops can also be used in the construction of shift registers, where the data stored in a flip-flop is transferred to the next flip-flop in the register in a cascade fashion.Flip-flops are also used in the construction of synchronous counters, which are incremented or decremented based on the stored data in the flip-flop. Flip-flops can also be used for timing operations, where the data stored in a flip-flops can be used to control the timing of operations in a circuit.In conclusion, the SN74AC74DE4 flip-flop can be very useful in the construction of a wide range of digital and logic circuits. Its application field and working principle enable it to be used for anything from data storage to simple computation and timing operations. It is an important component in any logic circuit and its versatility makes it suitable for a wide range of applications.

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