Encyclopedia Entry: 74ABT126CSJ

Product Overview

Category

The 74ABT126CSJ belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• High-speed operation
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• Wide operating voltage range
• 3-state outputs for bus-oriented applications

Package

The 74ABT126CSJ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the 74ABT126CSJ lies in its ability to provide reliable signal buffering and line driving capabilities in digital electronic systems.

Packaging/Quantity

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

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 3.8ns (typical)
• Output Current: ±24mA

Detailed Pin Configuration

The 74ABT126CSJ has a total of 14 pins, each serving a specific function:

1. Pin 1: Input Enable (OE)
2. Pin 2: Input A
3. Pin 3: Output Y
4. Pin 4: GND (Ground)
5. Pin 5: Output Y
6. Pin 6: Input B
7. Pin 7: Output Y
8. Pin 8: VCC (Supply Voltage)
9. Pin 9: Output Y
10. Pin 10: Input C
11. Pin 11: Output Y
12. Pin 12: Input D
13. Pin 13: Output Y
14. Pin 14: GND (Ground)

Functional Features

• The IC provides four independent buffer gates with 3-state outputs.
• It operates at high speed, making it suitable for applications requiring fast signal propagation.
• The Schmitt-trigger inputs ensure noise immunity and reliable operation in noisy environments.
• The 3-state outputs allow multiple devices to be connected to a common bus without interference.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient signal buffering and line driving.
• Low power consumption contributes to energy efficiency in electronic systems.
• Schmitt-trigger inputs enhance noise immunity, ensuring reliable performance.
• Wide operating voltage range allows compatibility with various power supply levels.
• 3-state outputs facilitate bus-oriented applications, enabling multiple devices to share a common bus.

Disadvantages

• Limited number of buffer gates (four in total) may restrict the complexity of certain digital circuits.
• Availability and pricing may vary based on market demand and supplier availability.

Working Principles

The 74ABT126CSJ operates by receiving input signals through its four input pins (A, B, C, and D). These signals are then buffered and amplified internally before being transmitted to the corresponding output pins (Y). The Schmitt-trigger inputs help eliminate noise and ensure accurate signal detection. The 3-state outputs allow the IC to control the flow of data onto a shared bus, preventing conflicts between multiple devices.

Detailed Application Field Plans

The 74ABT126CSJ finds application in various digital electronic systems, including but not limited to: - Microcontrollers - Data communication systems - Memory interfaces - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ABT126CSJ include: - 74HC126: This IC operates at a lower voltage range (2V to 6V) and is compatible with CMOS logic levels. - SN74LS126: This IC operates at a wider temperature range (-55°C to +125°C) and is suitable for harsh environments. - CD40106: This IC provides six Schmitt-trigger inverters, offering additional functionality beyond buffering.

In conclusion, the 74ABT126CSJ is a versatile integrated circuit that excels in signal buffering and line driving applications. Its high-speed operation, low power consumption, and noise immunity make it an ideal choice for various digital electronic systems.