Encyclopedia Entry: 74AHCT125PW,112

Product Overview

Category

The 74AHCT125PW,112 belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic gates.

Use

This product is commonly used in digital electronics for signal buffering and level shifting applications. It acts as a quad buffer gate with three-state outputs.

Characteristics

• High-speed operation: The 74AHCT125PW,112 offers fast switching times, making it suitable for high-frequency applications.
• Wide voltage range: It can operate within a wide voltage range, typically between 2V and 5.5V.
• Three-state outputs: The device provides three-state outputs, allowing multiple devices to be connected together without interference.
• Low power consumption: It consumes low power, making it energy-efficient.

Package and Quantity

The 74AHCT125PW,112 is available in a small outline package (SO) with 14 pins. It is supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 9 ns
• Maximum Quiescent Current: 4 μA

Pin Configuration

The pin configuration of the 74AHCT125PW,112 is as follows:

┌───┐ Y1 ─│1 14│─ VCC A1 ─│2 13│─ Y2 A2 ─│3 12│─ GND Y3 ─│4 11│─ A3 GND ─│5 10│─ A4 Y4 ─│6 9│─ OE# GND ─│7 8│─ GND └───┘

Functional Features

• Quad Buffer Gate: The 74AHCT125PW,112 consists of four independent buffer gates that can be used individually or in combination.
• Three-State Outputs: The device offers three-state outputs, allowing the outputs to be disabled and effectively disconnected from the circuit.
• High-Speed Operation: It provides fast switching times, enabling efficient signal buffering in high-frequency applications.

Advantages and Disadvantages

Advantages

• Versatile: The 74AHCT125PW,112 can be used in various digital electronics applications due to its quad buffer gate configuration.
• Wide Voltage Range: It operates within a wide voltage range, making it compatible with different power supply levels.
• Low Power Consumption: The device consumes low power, contributing to energy efficiency.

Disadvantages

• Limited Output Current: The output current capability of the 74AHCT125PW,112 is relatively low compared to some other buffer gate ICs.
• Sensitivity to Noise: As with most digital logic devices, this product may be sensitive to noise and requires proper noise mitigation techniques.

Working Principles

The 74AHCT125PW,112 works by receiving input signals on the A1-A4 pins. These signals are buffered and amplified by the internal circuitry, and the resulting output signals appear on the Y1-Y4 pins. The OE# (Output Enable) pin controls the activation of the outputs. When OE# is low, the outputs are enabled, and when it is high, the outputs are disabled (three-state mode).

Application Field Plans

The 74AHCT125PW,112 finds applications in various digital systems, including but not limited to: - Microcontrollers and microprocessors - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics

Alternative Models

There are several alternative models available that offer similar functionality to the 74AHCT125PW,112. Some notable alternatives include: - SN74AHCT125N by Texas Instruments - MC74AHCT125 by ON Semiconductor - CD74HCT125E by Texas Instruments

These alternative models can be considered based on specific requirements, availability, and pricing considerations.

In conclusion, the 74AHCT125PW,112 is a versatile quad buffer gate IC used for signal buffering and level shifting in digital electronics. Its high-speed operation, wide voltage range, and three-state outputs make it suitable for various applications. However, it has limitations in terms of output current and sensitivity to noise. Proper understanding of its working principles and consideration of alternative models can help optimize its usage in different scenarios.