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SN74ABT125DE4
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SN74ABT125DE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Driver
  • Characteristics: High-speed, non-inverting, 3-state output
  • Package: 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
  • Output Drive Capability: ±24mA
  • Propagation Delay Time: 2.8ns (typical)

Detailed Pin Configuration

The SN74ABT125DE4 has a total of 14 pins, which are assigned 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 - Positive 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/driver with 3-state outputs
  • Provides voltage level translation between different logic families
  • Allows bidirectional data flow
  • Enables or disables the outputs using the OE pin

Advantages and Disadvantages

Advantages: - High-speed operation - Wide supply voltage range - 3-state outputs allow multiple devices to share a common bus

Disadvantages: - Limited output drive capability - Not suitable for applications requiring high current sourcing or sinking

Working Principles

The SN74ABT125DE4 is designed to buffer and drive signals between different logic families. It operates by receiving input signals and providing non-inverted, amplified versions of those signals at the outputs. The OE pin controls the output enable/disable function, allowing the device to be used in applications where the outputs need to be tri-stated.

Detailed Application Field Plans

The SN74ABT125DE4 can be used in various applications, including:

  1. Microprocessor interfacing
  2. Data communication systems
  3. Memory address decoding
  4. Level shifting between TTL and CMOS logic
  5. Bus driving in digital systems

Detailed and Complete Alternative Models

  1. SN74ABT125D - Similar specifications and features, but available in a different package (SOIC-14)
  2. SN74LVC125A - Low-voltage version with similar functionality, but operates at a lower supply voltage range (1.65V to 5.5V)
  3. SN74HCT125 - Compatible with standard TTL logic levels, but has slower speed compared to the ABT series

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74ABT125DE4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74ABT125DE4 in technical solutions:

  1. Q: What is SN74ABT125DE4? A: SN74ABT125DE4 is a quad buffer gate with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the operating voltage range for SN74ABT125DE4? A: The operating voltage range for SN74ABT125DE4 is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current that SN74ABT125DE4 can drive? A: SN74ABT125DE4 can drive up to 24mA of output current per channel.

  4. Q: Can SN74ABT125DE4 be used for level shifting between different voltage domains? A: Yes, SN74ABT125DE4 can be used for level shifting as it supports both TTL and CMOS voltage levels.

  5. Q: How many channels does SN74ABT125DE4 have? A: SN74ABT125DE4 has four independent buffer channels.

  6. Q: What is the propagation delay of SN74ABT125DE4? A: The typical propagation delay of SN74ABT125DE4 is around 3.8ns.

  7. Q: Can SN74ABT125DE4 be used in high-speed applications? A: Yes, SN74ABT125DE4 is designed for high-speed operation and can be used in applications with fast switching requirements.

  8. Q: Does SN74ABT125DE4 have built-in ESD protection? A: Yes, SN74ABT125DE4 has built-in ESD protection on all inputs and outputs.

  9. Q: Can SN74ABT125DE4 be used in both parallel and serial data applications? A: Yes, SN74ABT125DE4 can be used in both parallel and serial data applications as a buffer or line driver.

  10. Q: What is the package type for SN74ABT125DE4? A: SN74ABT125DE4 is available in a 14-pin SOIC (Small Outline Integrated Circuit) package.

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