74HCT74PW,112

Max Propagation Delay @ V, Max CL:	44ns @ 4.5V, 50pF
Base Part Number:	74HCT74
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Input Capacitance:	3.5pF
Current - Quiescent (Iq):	40µA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	4mA, 4mA
Trigger Type:	Positive Edge
Series:	74HCT
Clock Frequency:	59MHz
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

Flip flops are a class of logic circuits used in digital integrated circuits to store and transfer digital information. One of the most common and widely used types of flip flop is the 74HCT74PW,112. This particular device is a dual D-type flip flop with control inputs that enable the user to have much more control over the digital data stored on the device. In this article, the application fields and working principle of the 74HCT74PW,112 will be discussed in detail.The 74HCT74PW,112 is a dual D-type flip flop commonly used as a basic logic building block in digital circuits such as microprocessors, memory controllers, peripheral interfaces, and programmable logic controllers. The device consists of two D-type flip flop circuits, each with its own set of control inputs to enable the user to control the two flip flop circuits separately. The device has a wide range of applications in both industrial and consumer electronics. It can be used to create memory interfaces that can be used to store and transfer digital data. It can also be used to control the synchronization of digital logic signals in radio receivers, hard disk drives, and other digital devices that rely on precise timing. In addition, the device can be used to create counters and shift registers which are commonly found in digital systems. The working principle of the 74HCT74PW 112 is simple and straightforward. The D-type flip flop is an edge-triggered device, meaning it only responds to digital information when the incoming signal transitions from low to high or high to low. When this happens, the current state of the flip flop is stored and latched in the device. An external control input can be used to override this behavior and set the output of the flip flop to either high or low. The 74HCT74PW,112 has two main control inputs, the set (S) and the reset (R). These inputs are used to manually set or reset the state of the flip flop, overriding the edge-triggered behavior of the device. The set input is intended to set the output of the device to a high state, while the reset input is intended to set the output of the device to a low state. The 74HCT74PW,112 also has a clock (CLK) input. This input is used to control the timing of the device by providing a pulse-like signal at regular intervals. When the clock input is active, the rising or falling edge of the clock pulse will trigger the device to latch the current state of the output. The 74HCT74PW,112 is a versatile and useful device for creating digital memories, shift registers, and other logic circuits. Its simple yet flexible control inputs allow the user to control the timing and output levels of the device with relative ease, making it ideal for various digital systems.

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