74VHCT74ASJ

Max Propagation Delay @ V, Max CL:	8.8ns @ 5V, 50pF
Base Part Number:	74VHCT74
Package / Case:	14-SOIC (0.209", 5.30mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Input Capacitance:	4pF
Current - Quiescent (Iq):	2µA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	8mA, 8mA
Trigger Type:	Positive Edge
Series:	74VHCT
Clock Frequency:	140MHz
Number of Bits per Element:	1
Number of Elements:	2
Output Type:	Differential
Type:	D-Type
Function:	Set(Preset) and Reset
Part Status:	Obsolete
Packaging:	Tube

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Introduction
In the realm of digital electronics, the 74VHCT74ASJ is a specialized type of semiconductor that belongs to the family of logic-flip-flops. It has a wide range of uses and can be employed for both switching and storage applications. This article will explain the working principle and application field of the 74VHCT74ASJ.Working Principle
The 74VHCT74ASJ is a dual-in-line or DIP package type of semiconductor that has two flip-flops located on a single chip. It operates by using two clocked inputs, namely; the clock signal (CLK) and the inverse clock signal (CLKN). Whenever a CLK signal is present, the flip-flops are enabled and become active. The flip-flops then capture the logic level currently applied to the D (data) input and store it until the next clock signal arrives. This signal is then stored as the current state, and the stored signal will be outputted on the ‘Q’ and ‘QN’ outputs. The function of the CLKN input is to reset the flip-flops and allow the circuit to start from a known state.Application Fields
The 74VHCT74ASJ is used mainly in synchronous logic circuits, such as digital counters, dividers and registers. Its ability to store data until an upcoming clock signal makes it ideal for situations where the output needs to remain valid until the data can be processed later. The 74VHCT74ASJ is also a key component for digital displays, where it is used to store the data for each segment of a seven-segment display.Conclusion
The 74VHCT74ASJ is a versatile logic-flip-flop semiconductor that can be used for both storage and switching applications. It is used in a wide range of digital and synchronous logic circuits, but is particularly useful for digital displays, where it can store the data for each segment of a seven-segment display. The working principle of the 74VHCT74ASJ can be understood as it operates by using two clocked inputs and storing the current logic level until the next clock signal arrives.

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