SN74HC125DT

Product Overview

Category

SN74HC125DT belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a quad bus buffer gate with 3-state outputs.

Characteristics

• High-speed CMOS technology
• 3-state outputs for bus-oriented applications
• Wide operating voltage range: 2 V to 6 V
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• Available in surface mount packages

Package

SN74HC125DT is available in a standard SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74HC125DT lies in its ability to provide buffering and signal amplification for bus-oriented applications.

Packaging/Quantity

SN74HC125DT is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Quiescent Current: 1 µA
• Maximum Output Current: ±8 mA

Detailed Pin Configuration

SN74HC125DT consists of 14 pins, each serving a specific purpose:

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 (Positive Power Supply)
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

SN74HC125DT offers the following functional features:

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

Advantages and Disadvantages

Advantages

• Provides buffering and signal amplification for bus-oriented applications
• High-speed CMOS technology ensures fast data transmission
• 3-state outputs allow multiple devices to share a common bus
• Schmitt-trigger inputs enhance noise immunity

Disadvantages

• Limited output current capacity (±8 mA)
• Requires external pull-up resistors for proper operation in some cases

Working Principles

SN74HC125DT operates by receiving input signals through its four input pins (A1, A2, A3, A4). These signals are then buffered and amplified before being transmitted through the corresponding output pins (Y1, Y2, Y3, Y4). The enable pins (G1, G2, G3, G4) control the output state, allowing the device to be connected or disconnected from the bus.

Detailed Application Field Plans

SN74HC125DT finds applications in various fields, including:

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

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74HC125DT are:

1. SN74HC126D
2. SN74HCT125N
3. MC74HC125AN
4. CD74HC125E
5. 74HC125D

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

In conclusion, SN74HC125DT is a versatile quad bus buffer gate with 3-state outputs. Its high-speed operation, wide voltage range, and noise immunity make it suitable for various applications in different fields. While it has certain limitations, alternative models provide flexibility for design choices.