MC74VHC125MG

Product Overview

Category

MC74VHC125MG belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a quad buffer/line driver with 3-state outputs.

Characteristics

• High-speed CMOS technology
• 3-state outputs for bus-oriented applications
• Wide operating voltage range: 2.0V to 5.5V
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• Available in various package options

Package and Quantity

MC74VHC125MG is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Essence

The essence of MC74VHC125MG lies in its ability to provide buffering and line driving functions, making it suitable for use in digital systems where signal integrity and voltage level translation are crucial.

Specifications

• Supply Voltage Range: 2.0V 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: 6 ns
• Maximum Quiescent Current: 1 μA

Detailed Pin Configuration

MC74VHC125MG has a total of 14 pins, which are assigned specific functions as follows:

1. Pin 1: Output 1 (Y1)
2. Pin 2: Input 1 (A1)
3. Pin 3: Enable 1 (G1)
4. Pin 4: Ground (GND)
5. Pin 5: Output 2 (Y2)
6. Pin 6: Input 2 (A2)
7. Pin 7: Enable 2 (G2)
8. Pin 8: VCC
9. Pin 9: Output 3 (Y3)
10. Pin 10: Input 3 (A3)
11. Pin 11: Enable 3 (G3)
12. Pin 12: Output 4 (Y4)
13. Pin 13: Input 4 (A4)
14. Pin 14: Enable 4 (G4)

Functional Features

• Quad buffer/line driver with 3-state outputs
• High-speed operation suitable for bus-oriented applications
• Schmitt-trigger inputs provide noise immunity
• Wide operating voltage range allows compatibility with various systems
• Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages

• High-speed CMOS technology ensures fast signal propagation
• 3-state outputs enable efficient bus sharing
• Wide operating voltage range offers flexibility in system integration
• Schmitt-trigger inputs enhance noise immunity

Disadvantages

• Limited number of output pins (4 in total)
• May require additional components for specific applications

Working Principles

MC74VHC125MG operates by receiving input signals on the A1 to A4 pins. These signals are buffered and amplified before being transmitted to the corresponding Y1 to Y4 output pins. The G1 to G4 enable pins control the 3-state outputs, allowing the device to be effectively connected to a shared bus.

Detailed Application Field Plans

MC74VHC125MG finds application in various digital systems where buffering and line driving functions are required. Some common application fields include:

1. Microcontroller-based systems
2. Data communication networks
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

Alternative Models

For users seeking alternatives to MC74VHC125MG, the following models can be considered:

1. SN74LVC125A: Quad buffer/line driver with 3-state outputs, compatible with a wide range of supply voltages.
2. CD74HCT125E: Quad buffer/line driver with 3-state outputs, suitable for high-speed applications.
3. 74HC125D: Quad buffer/line driver with 3-state outputs, operates at a higher voltage range.

These alternative models offer similar functionality and can be used as substitutes based on specific requirements.

In conclusion, MC74VHC125MG is a versatile integrated circuit that provides buffering and line driving capabilities. Its high-speed operation, wide voltage range, and 3-state outputs make it suitable for various digital systems. While it has certain limitations, alternative models are available to cater to different needs.