SN74ABT125N

Product Overview

Category: Integrated Circuit (IC)
Use: Buffer/Line Driver
Characteristics: High-speed, non-inverting, tri-state
Package: DIP (Dual In-line Package)
Essence: Quad bus buffer gate with 3-state outputs
Packaging/Quantity: Tube packaging, 25 pieces per tube

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
Output Drive Capability: ±24mA at 5V
Propagation Delay Time: 2.8ns (typical)

Detailed Pin Configuration

The SN74ABT125N has a total of 14 pins arranged as follows:

__ __ Y1 |1 \__/ 14| VCC A1 |2 13| B1 A2 |3 12| Y2 B2 |4 SN 11| A3 OE1 |5 74 10| B3 GND |6 AB 9 | Y3 Y4 |7 T1 8 | OE2 -- --

Functional Features

Non-inverting buffer: The SN74ABT125N amplifies and reproduces the input signal without any phase inversion.
Tri-state outputs: The 3-state outputs allow for high impedance when disabled, enabling multiple devices to share a common bus.
High-speed operation: With a propagation delay time of only 2.8ns, this IC is suitable for applications requiring fast data transfer.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Tri-state outputs enable bus sharing among multiple devices. - Non-inverting buffer preserves the signal integrity.

Disadvantages: - Limited supply voltage range (4.5V to 5.5V). - Not suitable for applications requiring high output drive capability.

Working Principles

The SN74ABT125N operates as a quad bus buffer gate with 3-state outputs. It takes four input signals (A1, A2, A3, B3) and amplifies them without inverting their logic levels. The outputs (Y1, Y2, Y3, Y4) can be enabled or disabled using the OE1 and OE2 pins, respectively. When disabled, the outputs enter a high impedance state, allowing other devices to drive the bus.

Detailed Application Field Plans

The SN74ABT125N is commonly used in various digital systems where buffering and line driving are required. Some application fields include:

Microcontrollers: Used to interface microcontrollers with external devices such as sensors, displays, and memory modules.
Communication Systems: Employed in data transmission circuits, ensuring signal integrity during high-speed communication.
Industrial Automation: Integrated into control systems to amplify and buffer signals between different components.
Automotive Electronics: Utilized in automotive electronics for signal conditioning and level shifting purposes.

Detailed and Complete Alternative Models

SN74ABT126N: Similar to SN74ABT125N but with active-low enable inputs.
SN74ABT2244A: Octal buffer/line driver with 3-state outputs.
SN74ABT16245A: 16-bit bus transceiver with 3-state outputs.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SN74ABT125N dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of SN74ABT125N in technical solutions:

Q: What is SN74ABT125N? A: SN74ABT125N is a quad buffer gate with 3-state outputs, commonly used in digital logic circuits.
Q: What is the operating voltage range for SN74ABT125N? A: The operating voltage range for SN74ABT125N is typically between 4.5V and 5.5V.
Q: What is the maximum output current that SN74ABT125N can handle? A: SN74ABT125N can handle a maximum output current of 32mA per channel.
Q: Can SN74ABT125N be used as a level shifter? A: Yes, SN74ABT125N can be used as a level shifter to convert signals between different voltage levels.
Q: How many channels does SN74ABT125N have? A: SN74ABT125N has four independent channels, each with a separate input and output.
Q: What is the purpose of the 3-state outputs in SN74ABT125N? A: The 3-state outputs allow the outputs to be disabled or put into a high-impedance state, which is useful for bus sharing applications.
Q: What is the maximum propagation delay of SN74ABT125N? A: The maximum propagation delay of SN74ABT125N is typically around 5.5ns.
Q: Can SN74ABT125N be used in high-speed applications? A: Yes, SN74ABT125N is designed for high-speed operation and can be used in applications with fast switching speeds.
Q: Is SN74ABT125N compatible with TTL logic levels? A: Yes, SN74ABT125N is compatible with both TTL and CMOS logic levels.
Q: Can SN74ABT125N be used in automotive applications? A: Yes, SN74ABT125N is suitable for automotive applications as it meets the necessary standards for automotive electronics.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.