74F534SJ

Series:	74F
Packaging:	Tube
Part Status:	Obsolete
Function:	Standard
Type:	D-Type
Output Type:	Tri-State, Inverted
Number of Elements:	1
Number of Bits per Element:	8
Clock Frequency:	100MHz
Max Propagation Delay @ V, Max CL:	8.5ns @ 5V, 50pF
Trigger Type:	Positive Edge
Current - Output High, Low:	3mA, 24mA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Quiescent (Iq):	86mA
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.209", 5.30mm Width)
Base Part Number:	74F534

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Introduction of 74F534SJ Logic-Flip Flops

Logic flip-flops are bistable devices that are used to store digital information. The 74F534SJ is one type of logic flip-flop which utilizes two logic input gates, the NOR gates and the NAND gates, to construct a 3-state sequential memory device. This 3-state sequential memory device provides a helpful tool for users to store digital information in a reliable, robust fashion.

Functional Description of 74F534SJ

The 74F534SJ is a type of flip-flop which uses two logic inputs, a clock input and two data input pins which each contain separate set and reset operations. When the clock pin receives a positive level strobe, the 74F534SJ has the ability to save the logic data at the data inputs during the positive edge of the clock. This data is then stored into the output stage of the flip-flop. This behavior is summarized in the following truth table.

Truth Table of the 74F534SJ

Clock	Set (nS)	Reset (nR)	Q	Q’
R/L	L	L	No Change	No Change
X	H	X	Set	Reset
X	L	H	Reset	Set

The 74F534SJ also provides a third logic level on the output stage which can be used to represent an undefined state. To make use of this feature, the user must first set the reset pin to a low logic level, then a high logic level must be applied to both the set pin and the reset pin. This will cause the output stage of the flip-flop to go into a high impedance mode where no output is available.

Applications and Working Principles of 74F534SJ

The 74F534SJ logic-flip flop is a very versatile and reliable device. It is used in many applications due to its desirable features such as the ability to store digital information and its ability to perform fast switching operations. The 74F534SJ can be used in a variety of applications such as digital counters, digital clocks and timers, memory buffers, digital-to-analog converters, and many other applications. The 74F534SJ operates on the same principles as other flip-flop types. It has two logic inputs, a clock pin and two data input pins which each control separate set and reset operations. When the clock pin receives a logic pulse, the logic data present at the input pins is then stored at the output stage. The 74F534SJ is able to hold this data until a new logic pulse is received. This allows the 74F534SJ to act as a digital storage device.The 74F534SJ also has a third logic level which can be used to represent an undefined state. This is done by setting the reset pin to a low logic level and then setting both the set and reset pins to a high logic level. This will cause the output stage of the flip-flop to enter a high impedance mode. The 74F534SJ is a very useful tool for users who are looking for a reliable, robust, and fast device to store digital information. The 74F534SJ is able to provide the user with a versatile and reliable way to store data and perform fast switching operations.

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