Encyclopedia Entry: 74VHCT125ATTR

Product Overview

Category

The 74VHCT125ATTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for signal amplification and buffering purposes.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with both TTL and CMOS logic levels

Package

The 74VHCT125ATTR is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to provide reliable signal amplification and buffering, ensuring smooth data transmission within digital electronic systems.

Packaging/Quantity

The 74VHCT125ATTR is typically packaged in reels or tubes, containing a quantity of 250 or 1000 units per package.

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

Detailed Pin Configuration

The 74VHCT125ATTR has a total of 14 pins, which are assigned specific functions as follows:

1. Pin 1: Input Enable (EN)
2. Pin 2: Input A1
3. Pin 3: Output Y1
4. Pin 4: Ground (GND)
5. Pin 5: Output Y2
6. Pin 6: Input A2
7. Pin 7: Output Y3
8. Pin 8: Power Supply (VCC)
9. Pin 9: Output Y4
10. Pin 10: Input B1
11. Pin 11: Output Enable (OE)
12. Pin 12: Input B2
13. Pin 13: Output Y5
14. Pin 14: Not Connected (NC)

Functional Features

• Quad buffer/line driver with 3-state outputs
• Non-inverting buffer
• High-speed operation for efficient signal transmission
• Wide operating voltage range allows compatibility with various systems
• 3-state outputs enable easy connection to multiple devices

Advantages and Disadvantages

Advantages

• High-speed operation ensures fast data transmission
• Low power consumption for energy-efficient applications
• Compatibility with both TTL and CMOS logic levels provides versatility
• 3-state outputs allow for easy interfacing with other devices

Disadvantages

• Limited output current capacity may restrict usage in certain high-power applications
• Sensitivity to electrostatic discharge (ESD) requires proper handling during installation and usage

Working Principles

The 74VHCT125ATTR operates as a quad buffer/line driver, amplifying and buffering digital signals. It accepts two sets of inputs (A1/A2 and B1/B2) and provides four corresponding outputs (Y1 to Y4). The input enable (EN) and output enable (OE) pins control the activation and deactivation of the buffer, respectively. When the EN pin is high and the OE pin is low, the inputs are amplified and buffered, resulting in active outputs.

Detailed Application Field Plans

The 74VHCT125ATTR finds extensive use in various digital electronic systems, including but not limited to: - Microcontrollers - Data communication devices - Computer peripherals - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

• 74HC125: Similar functionality, but operates at a higher voltage range (2V to 6V)
• SN74LVC125A: Low-voltage CMOS alternative with similar characteristics
• CD74HCT125E: Higher current capacity variant suitable for power-demanding applications

These alternative models offer similar functionality to the 74VHCT125ATTR, providing options based on specific voltage requirements and current capacity needs.

In conclusion, the 74VHCT125ATTR is a versatile integrated circuit used for signal amplification and buffering in digital electronic systems. Its high-speed operation, low power consumption, and compatibility with various logic levels make it an essential component in numerous applications. However, its limited output current capacity and sensitivity to ESD should be considered when implementing this IC.