SN74LVC74APWT Integrated Circuits (ICs)

Max Propagation Delay @ V, Max CL:	5.2ns @ 3.3V, 50pF
Base Part Number:	74LVC74
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Input Capacitance:	5pF
Current - Quiescent (Iq):	10µA
Voltage - Supply:	1.65 V ~ 3.6 V
Current - Output High, Low:	24mA, 24mA
Trigger Type:	Positive Edge
Series:	74LVC
Clock Frequency:	150MHz
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:	Tape & Reel (TR)

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Introduction to SN74LVC74APWT

The SN74LVC74APWT is an advanced dual D-type flip flop integrated circuit (IC). It belongs to the logic family of Flip Flops created by Texas Instruments, and is designed to fit within their logic family range. It features two D-type flip flops, each with separate R (reset) and S (set) inputs, clock (C) inputs, and clock (C) enable (CE) inputs. Depending on the type of input the SN74LVC74APWT can function as 2 synchronous D-type flip flops or 2 asynchronous D-type flip flops, but is also capable of creating upwards- and downwards-coupled bus transceivers, as well as bind multiple flip flops in a shift register configuration. All inputs to the flip flops can be of either active-high or active-low level, making it extremely versatile and thus suitable towards a wide range of applications.

SN74LVC74APWT Application Field

The SN74LVC74APWT is designed for use primarily in logic systems, such as those found in embedded and control systems. Its versatility makes it suitable for use in many different applications such as memory storage, computations, timing, counting, data transmission and control. It can be used in memory applications since it is capable of being used as either synchronous or asynchronous flip flops, allowing user to choose between data input during either the rising or falling edges of the clock signals. This, combined with it’s stable outputs and low output delay makes the SN74LVC74APWT an ideal choice for use in memory storage and retrieval applications.It is also commonly used in computations, especially in systems that use multiple registers. By binding several SN74LVC74APWT flip flops in a shift register configuration, the device can be used to store computations, allowing systems to perform more complex mathematical operations, such as multiplication and division.The SN74LVC74APWT is also commonly used in timing applications. It can be used to create timers by sending signals through its active-low CE inputs, as well as by splitting the clock (C) signal with an external flip flop, thus allowing for more refined timing functions.Finally, the SN74LVC74APWT can also be used for data transmission and control applications. Upwards- and downwards-coupled bus transceivers can be created using a combination of the clock (C) input and the clock enable (CE) inputs, allowing the device to handle data from one device to another.

SN74LVC74APWT Working Principle

The SN74LVC74APWT operates on the basic principle that digital signals are made up of two distinct states, logic 0 and logic 1 (also known as high and low). Depending on the type of input given, the device is capable of two types of operations – synchronous and asynchronous.In synchronous operations, digital signals are input during the rising or falling edges of the clock (C) signal. For instance, logic 1 is input during the rising edge of the clock, while logic 0 is input during the falling edge of the clock. In asynchronous operations, digital signals are input independently of the clock (C) signal.The SN74LVC74APWT also features two clock (C) enable (CE) inputs, which are used to temporarily disable the clock (C) input. When the CE inputs are held low, the device will ignore the clock (C) signal, thus allowing for the data input during asynchronous operations. It also allows for the possibility of creating upwards- and downwards-coupled bus transceivers, as the data can be transmitted between the device and the surrounding circuitry without the need for a clock signal.

Conclusion

Overall, the SN74LVC74APWT is an advanced dual D-type flip flop IC designed by Texas Instruments. It is suitable for many different applications, such as memory storage, computations, timing, counting, data transmission and control. It is capable of functioning as either synchronous or asynchronous flip flops, and is also able to bind several flip flops in a shift register configuration, thus allowing for more complex mathematical operations. Furthermore, it can also create upwards- and downwards-coupled bus transceivers, allowing for data to be transmitted between the device and the surrounding circuitry without the need for a clock signal.

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