Part Number: SN74LVC125APWR

Manufacturer: Texas Instruments

Description: IC BUF NON-INVERT 3.6V 14TSSOP

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Technical Specifications of SN74LVC125APWR

Datasheet  SN74LVC125APWR datasheet
Category Integrated Circuits (ICs)
Family Logic – Buffers, Drivers, Receivers, Transceivers
Manufacturer Texas Instruments
Series 74LVC
Packaging Tape & Reel (TR)
Part Status Active
Logic Type Buffer, Non-Inverting
Number of Elements 4
Number of Bits per Element 1
Input Type
Output Type Push-Pull
Current – Output High, Low 24mA, 24mA
Voltage – Supply 1.65 V ~ 3.6 V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 14-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package 14-TSSOP

SN74LVC125APWR Introduction

The SN74LVC125APWR is a buffer IC that is part of the SN74LVC family. It has high-speed operation, non-inverting buffering, a 4-element design, 3-state outputs, and outputs that don’t flip. This IC is very flexible and can be used in a wide range of computer applications.

SN74LVC125APWR Key Features

The SN74LVC125APWR is a flexible and useful buffer IC because it has a number of features. The SN74LVC125APWR has the following key features:

  • Not flipping the signal: The SN74LVC125APWR is a non-inverting buffer that keeps the polarity of the signal from the input at the output. This makes sure that the information is sent without any polarity switching.
  • With its 4-element design, the SN74LVC125APWR has four buffer elements that work on their own. This lets multiple inputs be buffered at the same time, giving flexibility in many uses.
  • 1 bit per element: Each of the SN74LVC125APWR’s buffer elements is made to hold a single bit of data. Because of this, it can be used for tasks that need accurate control over each bit.
  • The SN74LVC125APWR has outputs with three states, which means that the outputs can be set to a high-impedance state. This makes it possible for multiple devices to share the same output line without interfering with each other. This makes the IC more versatile and adaptable.
  • High-speed operation: The SN74LVC125APWR can work at high speeds, which makes it a good choice for apps that need fast data transfer. It works quickly, which makes it easy to communicate and process info.
  • Low power use: The SN74LVC125APWR is made to use as little power as possible, which makes it energy-efficient. This is great for portable devices and uses where saving power is very important.
  • Schmitt-trigger input: The SN74LVC125APWR has Schmitt-trigger inputs. These sources have hysteresis, which makes them more resistant to noise and makes sure they work well even when there is electrical noise or signal distortion.
  • Wide range of supply voltages: The SN74LVC125APWR can work with a wide range of supply voltages, usually from 1.65V to 5.5V. Because it can work with a wide range of source voltages, it can be used with different types of power supplies.

Overall, the SN74LVC125APWR combines features like non-inverting buffering, a 4-element design, 3-state outputs, high-speed operation, low power usage, a Schmitt-trigger input, and a wide supply voltage range. Because of these things, it can be used for a wide range of electrical tasks and is reliable.

Functional Description

The SN74LVC125APWR is a quad buffer with 3-state outputs. Let’s dive into its functional operation, highlighting key components and their roles, as well as the behavior of the Output Enable (OE) pin and the input (A and B) and output (Y) connections of each buffer element.

Functional Operation: The SN74LVC125APWR consists of four independent buffer elements, labeled as Y1, Y2, Y3, and Y4. Each buffer element has two input pins, labeled A and B, and one output pin, labeled Y.

The buffer elements operate as follows

  • Input pins A and B: These pins receive the input signals that need to be buffered. The buffer elements can handle both high and low logic levels, making them compatible with various logic families.
  • Output pin Y: This pin provides the buffered output signal, which reflects the input signal after undergoing the buffering operation.

Output Enable (OE) Pin: The SN74LVC125APWR includes an Output Enable (OE) pin, which controls the behavior of the buffer outputs. When the OE pin is high (active), the buffer outputs (Y1 to Y4) are enabled and reflect the input data. In this state, the buffer elements actively buffer and propagate the input signals to the corresponding output pins.

When the OE pin is low (not active), on the other hand, the outputs of the buffer go into a high-impedance state. In this state, the bus or circuit that the buffer outputs are connected to is essentially cut off. In the high-impedance state, several devices can use the same output line without interfering with each other.

A and B are inputs, and Y is the result. Connections: In the SN74LVC125APWR, each buffer element has two input pins (A and B) and one output pin (Y). Standard digital logic is used to connect the inputs (A and B) of each buffer element to its outputs (Y).

For instance, the first buffer element’s (Y1) inputs (A1 and B1) are linked to its output pin (Y1). In the same way, the inputs A2 and B2 of the second buffer element (Y2) are linked to its output pin (Y2), and so on for the other buffer elements.

The input (A and B) and output (Y) links let the buffer elements receive the input signals, buffer them, and send out the buffered outputs. This lets the SN74LVC125APWR deal with multiple input signals and make the stored outputs that go with them.

By controlling the OE pin and connecting the input and output pins in the right way, the SN74LVC125APWR lets signals in different electrical systems be buffered in an efficient way.

SN74LVC125APWR Typical Applications

Most of the time, the SN74LVC125APWR is used for the following:

  • Data transmission systems: Perfect for buffering signals in UART interfaces and data buses.
  • In microprocessor-based systems, it makes sure that the address/data lines and level shifting work well and that the signals are stable.
  • Memory interfaces: Makes it easier for SRAM and Flash memory interfaces to send data reliably.
  • Improves communication and noise immunity in PLC connections and motor control circuits for industrial control systems.
  • Portable devices: Because it uses little power and is small, it can be used in battery-powered devices and handheld tools.
  • Automotive electronics: It can be used in control units and entertainment systems because it is reliable and can work with a wide range of voltages.

The features of the SN74LVC125APWR make it possible to buffer signals in different electrical systems, meeting the needs of different industries.

SN74LVC125APWR Typical Applications

The SN74LVC125APWR is commonly used in:

  • Data communication systems: for signal buffering in UART interfaces and data buses.
  • Microprocessor-based systems: to improve signal stability in address/data buses and level shifting.
  • Memory interfaces: for reliable data transmission in SRAM and Flash memory interfaces.
  • Industrial control systems: to enhance communication in PLC interfaces and motor control circuits.
  • Portable devices: for efficient signal buffering in battery-powered devices and handheld instruments.
  • Automotive electronics: for robust signal buffering in automotive control modules and entertainment systems.

The SN74LVC125APWR finds applications in various electronic systems, providing effective signal buffering solutions for different industry needs.

Final thoughts

The SN74LVC125APWR is a highly versatile and efficient integrated circuit (IC) known for its exceptional signal buffering capabilities. With features like non-inverting buffering, 4-element design, 3-state outputs, high-speed operation, low power consumption, and a wide supply voltage range, it offers a wide range of applications.

In summary, the SN74LVC125APWR is a reliable and versatile IC that provides efficient signal buffering solutions for diverse electronic applications. Its features make it invaluable in various industries. Contact us at ICRFQ for sourcing and further assistance.

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