CD74HCT175E

Max Propagation Delay @ V, Max CL:	33ns @ 4.5V, 50pF
Base Part Number:	74HCT175
Package / Case:	16-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 125°C (TA)
Input Capacitance:	10pF
Current - Quiescent (Iq):	8µA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	4mA, 4mA
Trigger Type:	Positive Edge
Series:	74HCT
Clock Frequency:	25MHz
Number of Bits per Element:	4
Number of Elements:	1
Output Type:	Differential
Type:	D-Type
Function:	Master Reset
Part Status:	Active
Packaging:	Tube

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Introduction

CD74HCT175E is a type of "Flip Flop" logic integrated circuit module, which is a subclass of Logic-Flip Flops. It is useful for storing information and acts as a single bit Register. It is among the most popular flip-flop elements used in logic circuits. In this article, we will look into the application field and working principles of CD74HCT175E in Logic-Flip Flop.

Application

CD74HCT175E is primarily used in high-frequency applications such as timers, counters, and signal processing circuits. It is also suitable for motor control applications and generally used to construct higher-level digital functions. The CD74HCT175E has an Enable/Disable function and is also able to latch and hold data while the Enable is in a low state. Compared to the other Flip Flops, the CD74HCT175E has the highest fanouts and the shortest propagation delays. Moreover, it has the highest Noise Rejection and Enhanced Speed due to the improved internal design and the use of high-speed CMOS processing in its circuitry.

Structure

The CD74HCT175E consists of two sets of Flip Flops, one being the Master Flip Flop and the other being the Slave Flip Flop. The Master Flip Flop is capable of doing any type of logical operation, while the Slave Flip Flop is only able to do an AND-type operation. Both are connected to an Oscillator with adjustable frequency, allowing for potential timing applications.

Operation

CD74HCT175E operates on two logic inputs and two logic outputs. It has two enable inputs, one each for Master and Slave Flip Flop respectively. When the Enable input of the Master Flip Flop is low, it is disabled while the Slave Flip Flop continues its normal operation (ie. AND). Similarly, when the Enable input of the Slave Flip Flop is low, it is disabled while the Master Flip Flop keeps working.The Master Flip Flop is activated by changes in the logic levels of the two inputs, while the Slave Flip Flop is activated by changes in the output state of the Master Flip Flop. If a 0 is detected at both inputs, the Master Flip Flop outputs ‘1’ and Slave Flip Flop outputs ‘0’. If a 0 is detected at only one input, the Master Flip Flop outputs ‘0’ and Slave Flip Flop outputs ‘1’.

Conclusion

CD74HCT175E is a type of "Flip Flop" logic integrated circuit module, used in a wide range of applications such as signal processing, motor control, and counters. It is popular due to its high noise rejection, high fanouts and the improved speed of operation due to its internal design with high-speed CMOS processing. It consists of two sets of Flip Flops, one being the Master and other being the Slave Flip Flop. The Master and Slave Flip Flop have independent Enable inputs and operated differently in terms of input-output logic levels. The CD74HCT175E has the advantage of being versatile and economical compared to the other Flip Flops available in the market, and can be used in a broad range of applications. Therefore, CD74HCT175E is a great choice for Logic-Flip Flop applications. Its versatile application and outstanding performance make it one of the most popular Flip Flop to use.

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