SN74LV14APWG4

Current - Output High, Low:	12mA, 12mA
Base Part Number:	74LV14
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	14-TSSOP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Max Propagation Delay @ V, Max CL:	10.6ns @ 5V, 50pF
Logic Level - High:	1.75 V ~ 3.5 V
Logic Level - Low:	0.75 V ~ 1.5 V
Series:	74LV
Current - Quiescent (Max):	20µA
Voltage - Supply:	2 V ~ 5.5 V
Features:	Schmitt Trigger
Number of Inputs:	6
Number of Circuits:	6
Logic Type:	Inverter
Part Status:	Active
Packaging:	Tube

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Introduction

Logic circuits are the heart of embedded systems, playing an essential role in interfacing and controlling peripherals, sensing inputs, and generating accurate timing pulses. A logic gate is an electronic circuit that performs a logical operation on one or more electronic inputs and produces a single output. An inverter is a single-input, single-output logic device with an output that is the inverse of the input.SN74LV14APWG4 is a six-output positive-edge-triggered buffer/inverter built with 5-volt-tolerant input level-shifting circuitry. This makes it suited for interfacing between data latches, 3-state busses, 5- or 3-volt devices. It is also used as a conventional buffering device for driving heavy loads or for clock lines on printed circuit boards. In this article, we will discuss the SN74LV14APWG4 application field and working principle.

SN74LV14APWG4 Application Field

SN74LV14APWG4 is mainly used in the design of many digital circuits. It is the main component used in logic gates and inverters, which are essential for designing control systems on printed circuit boards. It is suitable for designing multiplexers, decoders, buffers, and other combinational circuits. The benefit of using the SN74LV14APWG4 is that it can accept and generate both positive and negative logic levels, and its output is compatible with TTL and CMOS logic devices. This makes it ideal for interfacing TTL and CMOS devices running on different power supply voltages.The SN74LV14APWG4 is suitable for a wide range of medium- and low-speed logic operations, such as for implementing low-power bus drivers, data latch circuits, and control logic. It is also used as a translator to interface between logic families of different voltages.

SN74LV14APWG4 Working Principle

For a better understanding of the SN74LV14APWG4 working principle, we can examine the component’s internal diagram. As shown in the block diagram below, it consists of six inverters connected in parallel and arranged in pairs. Each pair of inverters includes a level-shifting circuit, which allows it to take 2.7V inputs and still produce a 5V output.The inputs of the device are either active-high (V CC ) or active-low (V SS ) signals, so the device is capable of taking both positive and negative logic levels. The input signals are applied to the gates of MOS field-effect transistors (MOSFET), which are set up as inverters.When a positive logic level is applied, the MOSFET transistor is turned on, which causes the current to flow through it, thus producing a negative logic level output. Similarly, when a negative logic level is applied, the MOSFET transistor is turned off, and the current is prevented from flowing, thus producing a positive logic level output.

Conclusion

In conclusion, the SN74LV14APWG4 is an important component in many digital systems, as it can be used to implement a variety of logic operations. Its ability to take 2.7V inputs and still produce a 5V output makes it suitable for interfacing between logic families of different voltages, such as between TTL and CMOS devices. It is also used as a conventional buffering device for driving heavy loads or for clock lines on printed circuit boards.

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