SN74LV573ATNSRE4

Series:	74LV
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	D-Type Transparent Latch
Circuit:	8:8
Output Type:	Tri-State
Voltage - Supply:	2 V ~ 5.5 V
Independent Circuits:	1
Delay Time - Propagation:	1ns
Current - Output High, Low:	16mA, 16mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.209", 5.30mm Width)
Supplier Device Package:	20-SO
Base Part Number:	74LV573

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Introduction to SN74LV573ATNSRE4 Logic - Latches

A logic latch is a type of logic device used in digital circuits. It is a data storing element which stores one bit of data. It can be used to buffer an input signal or to hold a value until a new one is written. The SN74LV573ATNSRE4 is a standard family of single 8-bit transparent latches available in a 14-pin single-row package. This article will focus on the application field and the working principle of the SN74LV573ATNSRE4 logic - latches.

Applications of SN74LV573ATNSRE4 Logic - Latches

The SN74LV573ATNSRE4 logic - latches come with a range of applications in areas such as communication and consumer electronics. They are commonly used to modify signals for use in industrial applications such as for automotive and avionic systems. Additionally, they are used in robotics and security systems.The latches can be used in applications such as sampling, multiplexing, and driving of digital data. Moreover, they can be used to form an oscillator circuit and to generate clock signals. Other applications include data storage, and transmission.

Working Principal of SN74LV573ATNSRE4 Logic - Latches

The SN74LV573ATNSRE4 logic - latches are usually used when the low-power output is required. An inverter is the key component in this kind of latch which uses two transistors in series and two resistors to generate the output signal. The two transistors are used to keep the output at the desired value, either for logic high or low.When the logic low is required, the input transformer is first enabled with a logic high voltage. This logic high voltage makes the base of the first transistor, Q1, turn on, which in turn causes a logic low on the output, thus creating the latch. After this, even if the input voltage is changed, the voltage at the output will remain the same, thus the latch is created.Likewise, when the logic high is required, the input is first enabled with a logic low voltage. This logic low voltage makes the base of the second transistor, Q2, turn on, thus causing a logic high on the output, thus creating the latch.After this, even if the input voltage is changed, the voltage at the output will remain the same, thus the latch is created.Generally, when the power is removed, the latches are reset to their initial state. To prevent this, an external feature, known as a "Hold" line, can be used. This feature holds the current state of the latch, even after the power is removed. This can be done by applying a logic high voltage to the hold line when the power is removed.

Conclusion

In conclusion, the SN74LV573ATNSRE4 logic - latches are one of the most popular families of single 8-bit transparent latches. They come with a range of applications in areas such as communication and consumer electronics. In addition, their working principal is based on two transistors connected in series with two resistors. Finally, the external hold line can be used to prevent the latch from resetting when the power is removed.

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