CD74HC126E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate Buffer/Driver
• Characteristics: High-speed, CMOS technology
• Package: DIP (Dual In-line Package)
• Essence: Quad 3-state non-inverting buffer/line driver
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Current: -4mA
• Low-Level Output Current: 4mA
• Propagation Delay Time: 9ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC126E has a total of 14 pins, which are arranged as follows:

1. Pin 1: 1A (Input 1)
2. Pin 2: 1Y (Output 1)
3. Pin 3: 2A (Input 2)
4. Pin 4: 2Y (Output 2)
5. Pin 5: 3A (Input 3)
6. Pin 6: 3Y (Output 3)
7. Pin 7: GND (Ground)
8. Pin 8: 4Y (Output 4)
9. Pin 9: 4A (Input 4)
10. Pin 10: OE (Output Enable)
11. Pin 11: VCC (Supply Voltage)
12. Pin 12: NC (Not Connected)
13. Pin 13: NC (Not Connected)
14. Pin 14: NC (Not Connected)

Functional Features

• Quad 3-state non-inverting buffer/line driver
• High-speed operation due to CMOS technology
• 3-state outputs for bus-oriented applications
• Output enable (OE) input for controlling the outputs
• Wide supply voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - CMOS technology provides low power consumption - 3-state outputs allow multiple devices to share a common bus - Wide supply voltage range enhances compatibility

Disadvantages: - Limited output current capacity (-4mA to +4mA) - Not suitable for high-power applications - Requires careful handling due to sensitivity to electrostatic discharge (ESD)

Working Principles

The CD74HC126E is a quad 3-state non-inverting buffer/line driver. It operates using CMOS technology, which ensures high-speed performance and low power consumption. The device has four independent buffer circuits that can be used to amplify or buffer digital signals.

The output enable (OE) input controls the state of the outputs. When OE is high, the outputs are in the high-impedance state (disconnected from the circuit), allowing other devices to drive the bus lines. When OE is low, the outputs follow the inputs, amplifying or buffering the signals.

Detailed Application Field Plans

The CD74HC126E is commonly used in various digital systems and applications, including:

1. Microcontrollers and microprocessors
2. Data communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics
6. Robotics
7. Instrumentation and measurement equipment

In these applications, the CD74HC126E helps in signal conditioning, level shifting, and driving bus lines. Its high-speed operation and 3-state outputs make it suitable for use in bus-oriented systems where multiple devices need to share a common data bus.

Detailed and Complete Alternative Models

1. SN74HC126N: Similar quad 3-state non-inverting buffer/line driver from Texas Instruments.
2. MC74HC126AN: Equivalent device from ON Semiconductor.
3. CD74HCT126E: Similar device with TTL-compatible inputs.

These alternative models offer similar functionality and can be used as replacements for the CD74HC126E, depending on specific requirements and availability.

Word count: 455 words