74AC74TTR

Max Propagation Delay @ V, Max CL:	10ns @ 5V, 50pF
Base Part Number:	74AC74
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C (TA)
Input Capacitance:	3pF
Current - Quiescent (Iq):	2µA
Voltage - Supply:	2 V ~ 6 V
Current - Output High, Low:	24mA, 24mA
Trigger Type:	Positive Edge
Series:	74AC
Clock Frequency:	300MHz
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Part Status:	Obsolete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:	Tape & Reel (TR)

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Introduction

The 74AC74TTR is a flip-flop that belongs to the logic family of flip-flops. It is used to store binary information, allowing two logic states to be maintained. This type of flip-flop has found many applications in digital systems, ranging from basic logic functions to complex control systems. In this article, we will discuss the different applications of the 74AC74TTR and its working principle.

Application Field of74AC74TTR

The 74AC74TTR is a popular flip-flop used in a wide variety of applications. It is typically used to store the state of a circuit, or to latch data signals. It can be used as a general purpose flip-flop, or as part of a shift register or a counter. The 74AC74TTR can also be used in logic switching systems, such as multiplexers, decoders, and digital multiple loop systems. Additionally, it can be used for flip-flop synchronization, memory circuits, counters, waveform generation, and state machine applications.

Features of the 74AC74TTR

The 74AC74TTR has some key features that make it especially suitable for digital applications. It has a low power consumption, making it ideal for low power circuits. It is also highly reliable, with a low propagation delay time. Additionally, it is latchable, meaning it can store the data from the set-up time until a reset signal is received. It also has built-in logic hysteresis, which allows for improved noise immunity compared to other flip-flops. Furthermore, it is constructed using advanced CMOS technology, making it compatible with most modern digital systems.

Working Principle

The 74AC74TTR is based on the RS latch, a type of latch that can store two different logical states. It contains two logic gates (an R and an S) connected to a single output. The two logic gates can be set to either a high or low state by providing a high or low signal to the respective logic input. When the inputs are in the same state (either both high or both low), the logical state of the output remains unchanged. If one of the inputs is in a different state than the other, the output will change to match the input.The 74AC74TTR is essentially an RS latch with two additional inputs: a clock input (CLK) and an enable input (EN). When EN is high, the R and S inputs are ignored and the output of the flip-flop remains in its current state. When EN is low, the flip-flop behaves like an RS latch and the output will change based on the inputs. The clock input is used to control the timing and synchronization of the RS latch. When the clock is high, the R and S inputs will be sampled and the output will update depending on the input signals.

Conclusion

The 74AC74TTR is a reliable, low power, and highly versatile flip-flop. It can be used for a wide range of applications including counters, multiplexers, and waveform generator circuits, as well as in general-purpose logic systems. The flip-flop is based on the RS Latch architecture and has two additional inputs (CLK and EN) which allows the device to be triggered and synchronized. It is constructed using advanced CMOS technology, providing reliability and low power consumption.

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