CD74HC534E

Max Propagation Delay @ V, Max CL:	28ns @ 6V, 50pF
Base Part Number:	74HC534
Package / Case:	20-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:	2 V ~ 6 V
Current - Output High, Low:	7.8mA, 7.8mA
Trigger Type:	Positive Edge
Series:	74HC
Clock Frequency:	60MHz
Number of Bits per Element:	8
Number of Elements:	1
Output Type:	Tri-State, Inverted
Type:	D-Type
Function:	Standard
Part Status:	Active
Packaging:	Tube

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Introduction

The CD74HC534E is a high-speed flip-flop (FF) fabricated with advanced CMOS logic technology; it is designed for use in a variety of logic-level applications. It originates from the CMOS family of high-speed CMOS logic amplifiers, and has similar performance characteristics. The CD74HC534E is a 3-state FF with Schmitt-trigger input pulses and a three-state output, with a low-power, low-cost design, and it is designed to be used in an applications where logic level noise can be an issue.

Application

The CD74HC534E is useful for a wide range of applications, from logic-level signal transmission, memory address decoding, and data storage. It can be used to create pulse systems, to latch address information and data bus signals, or to interface with digital systems, as well as provide digital timing and triggering. Additionally, the CD74HC534E can be used to enhance the speed of slow-acting connected devices, or the noise rejection of electronic systems. The CD74HC534E has a wide range of applications, from logic-level signal transmission, memory address decoding, and data storage, to switching power supplies, as well as RF communication and audio systems, and is suitable for a variety of logic and switching applications. The CD74HC534E is a 3-state Flip Flop, with a Schmitt-trigger input pulse, meaning that it can handle both high and low logic levels. When used in memory addresses and data buses, this type of Flip Flop allows multiple data and address lines to be connected together in a single package. This makes it ideal for use in a system where high-speed memory addresses need to be handled. The CD74HC534E also provides pulse systems, from pulse generation to signal transmission. It can also be used to generate a pulse-controlled signal that triggers any other signal, such as a power supply on or off signal. The CD74HC534E also allows for digital timing, allowing for signal timing, toggling, or pulse coding. It is also useful for providing noise rejection or noise control in sensitive applications, such as control systems.

Working Principle

The CD74HC534E is an asynchronous (edge-triggered) type Flip Flop. It utilizes a differential structure in its input stage, which helps to minimize spurious noise operation by helping to reduce pulse time errors. This ensures that the input signal is properly detected.When the set (S) input signal is applied, Q output of the latch is set to the logic high level (1), while the inverse Q output is set to the logic low level (0). When the reset (R) signal is applied, it behaves in the opposite manner, with the Q output set to the low level (0) and the inverse Q output set to the high level (1).The CD74HC534E can be either level-triggered or edge-triggered, making it suitable for a range of applications. When level-triggered, the FF will latch or remember the logic signal as long as the external inputs remain unchanged. On the other hand, when edge-triggered, the FF will latch in the signal only during the transition between the two logic states. Once the FF has been set or reset, it can hold the logic state until either the S or R signal is applied again. Additionally, the CD74HC534E can be used as a data toggle latch, a pulse generator, a pulse coder, a signal timing latch, and in many other types of circuits.One of the main advantages of the CD74HC534E is its low-power consumption, making it suitable for low-power applications. The chip has a nominal power dissipation of 1uW, with a maximum power dissipation of 0.5mW, which is much lower than many comparable chips.

Conclusion

The CD74HC534E is a high-speed Flip-Flop designed for a range of logic-level applications. It can be level-triggered or edge-triggered, allowing for a variety of uses, and has a low-power consumption and low-cost design. The CD74HC534E is suitable for a variety of applications from memory address decoding to signal timing, as well as providing noise rejection or noise control in sensitive applications.

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