SN74ABT126DR

SN74ABT126DR

Product Overview

• Category: Integrated Circuit
• Use: Buffer/Driver
• Characteristics: High-speed, non-inverting, 3-state output
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic gate with four independent buffers
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -40°C to +85°C
• Propagation Delay Time: 2.8ns (typical)
• Output Current: ±24mA

Pin Configuration

The SN74ABT126DR has a 14-pin SOIC package with the following pin configuration:

1. 1A (Input 1 for Buffer A)
2. 1Y (Output 1 for Buffer A)
3. GND (Ground)
4. 2Y (Output 2 for Buffer B)
5. 2A (Input 2 for Buffer B)
6. 3A (Input 3 for Buffer C)
7. 3Y (Output 3 for Buffer C)
8. VCC (Power Supply)
9. 4Y (Output 4 for Buffer D)
10. 4A (Input 4 for Buffer D)
11. OE (Output Enable)
12. NC (No Connection)
13. NC (No Connection)
14. GND (Ground)

Functional Features

• Non-inverting buffer/driver with 3-state outputs
• High-speed operation suitable for various applications
• Wide operating voltage range
• Output current capability allows driving up to ±24mA
• Output can be disabled using the OE (Output Enable) pin

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Wide operating voltage range allows compatibility with different systems - 3-state outputs provide flexibility in controlling bus lines

Disadvantages: - Limited output current may not be suitable for driving heavy loads - SOIC package may require additional precautions during soldering

Working Principles

The SN74ABT126DR is a logic gate that functions as a buffer/driver. It takes input signals and amplifies them to drive output lines. The non-inverting nature of the buffer ensures that the output signal matches the input signal, but with increased current capability. The 3-state outputs allow the device to be effectively disconnected from the bus lines when not in use.

Detailed Application Field Plans

The SN74ABT126DR is commonly used in various applications, including:

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

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74ABT126DR are:

1. SN74ABT125DR: Quad buffer/driver with 3-state outputs
2. SN74ABT16245DGGR: 16-bit bus transceiver with 3-state outputs
3. SN74ABT646ADWR: Octal bus transceiver/register with 3-state outputs

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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