SN74ABT125NSR

Product Overview

• Category: Integrated Circuit
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting
• Package: 14-pin SOIC (Small Outline Integrated Circuit)
• Essence: Logic level translation and signal buffering
• Packaging/Quantity: Tape and Reel, 2500 units per reel

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
• Input Capacitance: 3pF (typical)
• Output Capacitance: 6pF (typical)

Detailed Pin Configuration

The SN74ABT125NSR has a total of 14 pins, numbered as follows:

1. OE (Output Enable) - Active Low Output Enable
2. 1A - Input 1
3. 1Y - Output 1
4. GND - Ground
5. 2Y - Output 2
6. 2A - Input 2
7. 3A - Input 3
8. 3Y - Output 3
9. VCC - Power Supply
10. 4Y - Output 4
11. 4A - Input 4
12. NC (No Connection)
13. GND - Ground
14. OE (Output Enable) - Active Low Output Enable

Functional Features

• Non-inverting buffer with 3-state outputs
• High-speed operation for efficient signal transmission
• Low power consumption for energy efficiency
• Wide supply voltage range for compatibility with various systems
• 3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation enables fast data transfer - Low power consumption reduces energy usage - Wide supply voltage range allows for versatile applications - 3-state outputs facilitate bus sharing in complex systems

Disadvantages: - Limited number of input/output channels (4 in this case) - Not suitable for applications requiring bidirectional communication

Working Principles

The SN74ABT125NSR is a non-inverting buffer that amplifies and buffers digital signals. It operates by receiving input signals and providing amplified, non-inverted output signals. The device features 3-state outputs, which means it can be disabled to effectively disconnect the output from the bus, allowing other devices to take control of the shared bus.

Detailed Application Field Plans

The SN74ABT125NSR is commonly used in various electronic systems where logic level translation and signal buffering are required. Some specific application areas include:

1. Microcontrollers: Used to interface between microcontrollers and external devices, ensuring proper signal levels and driving capability.
2. Communication Systems: Employed in data transmission circuits to amplify and buffer signals between different components, such as transceivers and receivers.
3. Industrial Automation: Utilized in control systems to interface between sensors, actuators, and programmable logic controllers (PLCs).
4. Automotive Electronics: Integrated into automotive systems for signal conditioning and level shifting between different modules and sensors.

Detailed and Complete Alternative Models

1. SN74ABT126NSR: Similar to SN74ABT125NSR but with 3-state outputs on the opposite side.
2. SN74ABT2244A: Octal buffer/line driver with 3-state outputs and increased number of channels.
3. SN74LVC1G125DBVR: Single buffer/line driver with 3-state output, suitable for low-voltage applications.

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

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