MC74HC125AFELG

Product Overview

• Category: Integrated Circuit
• Use: Buffer/Line Driver
• Characteristics: High-Speed CMOS, Quad 3-State Non-Inverting Buffer
• Package: SOIC-14
• Essence: The MC74HC125AFELG is a quad 3-state non-inverting buffer that operates on high-speed CMOS technology. It provides four independent buffers with 3-state outputs, making it suitable for various applications.
• Packaging/Quantity: The MC74HC125AFELG is available in a small outline integrated circuit (SOIC) package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Input Current: ±1µA
• Maximum Output Current: ±25mA
• Propagation Delay: 9ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC74HC125AFELG has a total of 14 pins arranged as follows:

__ __ 1 | 1 14 | VCC 2 | 2 13 | 1Y 3 | 3 12 | 2Y 4 | 4 11 | 3Y 5 | 5 10 | 4Y GND | 6 9 | 4A 7 | 7 8 | 3A ‾‾ ‾‾

Functional Features

• Quad 3-state non-inverting buffers
• High-speed operation with CMOS technology
• 3-state outputs for flexible signal routing
• Wide supply voltage range for compatibility with various systems
• Low power consumption

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• 3-state outputs provide flexibility in signal routing.
• Wide supply voltage range enables compatibility with different systems.
• Low power consumption helps conserve energy.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Propagation delay of 9ns may introduce slight delays in signal transmission.

Working Principles

The MC74HC125AFELG operates as a buffer/line driver, which means it amplifies and shapes input signals to ensure proper transmission to the output. It utilizes high-speed CMOS technology, allowing for fast data transfer. The quad 3-state non-inverting configuration provides flexibility in signal routing by enabling the outputs to be disabled (high impedance state) when not needed.

Detailed Application Field Plans

The MC74HC125AFELG is commonly used in various electronic applications, including:

1. Data communication systems
2. Microcontroller interfacing
3. Memory address decoding
4. Signal buffering and level shifting
5. Bus driving and isolation

Its high-speed operation, low power consumption, and 3-state outputs make it suitable for these applications where signal integrity and flexibility are crucial.

Alternative Models

If the MC74HC125AFELG is not available or does not meet specific requirements, alternative models that can be considered include:

1. SN74HC125N: Similar quad 3-state non-inverting buffer from Texas Instruments.
2. CD74HC125E: Quad 3-state non-inverting buffer from Texas Instruments with extended temperature range.
3. 74HCT125: Quad 3-state non-inverting buffer with TTL compatibility.

These alternative models offer similar functionality and can be used as substitutes depending on the specific needs of the application.

In conclusion, the MC74HC125AFELG is a high-speed CMOS quad 3-state non-inverting buffer that provides flexibility in signal routing. Its wide range of applications, low power consumption, and compatibility with various systems make it a popular choice in the electronics industry.