SN74LVC574APWG4

Max Propagation Delay @ V, Max CL:	6.8ns @ 3.3V, 50pF
Base Part Number:	74LVC574
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Input Capacitance:	4pF
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:	8
Number of Elements:	1
Output Type:	Tri-State, Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Active
Packaging:	Tube

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Introduction

The SN74LVC574APWG4 is a dual D-type flip-flop featuring Clock (CLK) and output enable (OE) inputs. The SN74LVC574APWG4 belongs to the high-speed logic logic family from Texas Instruments. It belongs to the “Logic – Flip Flops” category. The device is used to sample the inputs and hold the data until the next clock edge. It can be operated in the various logic states such as low voltage positive edge trigger, positive edge trigger with enable and negative edge trigger with enable. The enable pin is available to disable the device by forcing the outputs to their high impedance state.

SN74LVC574APWG4 Application fields

Various applications areas utilize the SN74LVC574APWG4 in combination with other devices. The SN74LVC574APWG4 features provide speed and low power benefits, making it suitable for a wide range of low voltage and low power applications. One of its most typical application areas is pulse generators and counter circuits. The device is used for data storage in combination with a control logic circuit for conversion from serial to parallel. The device can also be used for isolating signals in multiplexing and demultiplexing applications. If a circuit requires a single device to be operated from multiple CPUs, the SN74LVC574APWG4 has the advantage of allowing two or more independent sources to control the device.Because of its robust design, the SN74LVC574APWG4 can also be used in various control, data exchange and sequencing circuits. In the automotive industry, the SN74LVC574APWG4 is used to exchange and control data in various systems. Among its main applications are pulse detectors in monitoring systems, counters in alarm circuits and power supply systems, shift registers and memory devices.

SN74LVC574APWG4 Working principle

The SN74LVC574APWG4 is designed to operate with a single +5V supply with guaranteed noise suppression on all outputs. It is described as having two data inputs (D and D2), two clock inputs (C1 and C2) and two output enable inputs (OE1 and OE2). The D-type flip-flops are formed from a 4 x 2 multiplexed bus topology, where the two data-in inputs are addressed by two active-low enable signals and clocked by two active-high clock signals.The two data-in (D and D2) inputs allow two different independent bits of logic levels to be applied to the respective pairs of outputs (Q1,/Q1 and Q2,/Q2). The data at the data-in (D and D2) inputs is transferred to respective pairs of outputs (Q1,/Q1 and Q2,/Q2) when a rising edge is detected at either one of the two clock inputs (C1 or C2). Both clock inputs are active high and enable synchronous operation of the flip-flops when one clock input fully lags the other. The two enable inputs (OE1 and OE2) are active low and when set to logic high, will disable the respective pairs of outputs (Q1,/Q1 and Q2,/Q2) and drive them to their high impedance state.

Conclusion

The SN74LVC574APWG4 is a dual D-type flip-flop from the Logic – Flip Flops family by Texas Instruments. It is used for data storage and is suitable for low voltage and low power applications in many industries like automotive, and counter and pulse generators. That makes the SN74LVC574APWG4 a versatile device that can benefit from its robust design, speed and noise suppression. The SN74LVC574APWG4 is equipped with two data inputs, two clock inputs and two output enable inputs to facilitate its operation in different logic states in combination with other devices. In conclusion, the SN74LVC574APWG4 is a great choice for low voltage and low power applications that require data storage, counting and pulse generation. The versatility and versatility of this device makes it a great choice for many applications.

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