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SN74LV125ATDR
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SN74LV125ATDR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Driver
  • Characteristics: Low-voltage, Quad-channel, Non-inverting, 3-state
  • Package: TSSOP-14
  • Essence: Logic Level Shifter
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V 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: 6.2 ns (typical)
  • Output Current: ±8 mA

Detailed Pin Configuration

The SN74LV125ATDR has a TSSOP-14 package with the following pin configuration:

___________ OE | 1 14 | VCC A | 2 13 | Y1 B | 3 12 | A1 Y2 | 4 11 | B1 GND | 5 10 | Y3 Y4 | 6 9 | A2 A3 | 7 8 | B2 ‾‾‾‾‾‾‾‾‾‾‾

Functional Features

  • Quad-channel non-inverting buffer/driver
  • 3-state outputs for bus-oriented applications
  • Compatible with TTL and CMOS logic levels
  • Provides voltage level shifting between different logic families
  • High-speed operation with low power consumption
  • Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - 3-state outputs enable bus sharing and reduce contention issues - Low propagation delay time ensures fast signal transmission - Schmitt-trigger inputs provide robustness against noise

Disadvantages: - Limited output current may restrict use in high-current applications - TSSOP package may require careful handling during assembly

Working Principles

The SN74LV125ATDR is a quad-channel buffer/driver IC that operates as a logic level shifter. It accepts TTL or CMOS logic level inputs and provides non-inverted outputs. The 3-state outputs allow multiple devices to share a common bus, reducing conflicts and enabling efficient communication between different components.

The IC operates within a wide supply voltage range, making it suitable for various electronic systems. Its low propagation delay time ensures quick signal transmission, while the Schmitt-trigger inputs enhance noise immunity, making it reliable in noisy environments.

Detailed Application Field Plans

The SN74LV125ATDR finds applications in various fields, including:

  1. Microcontrollers: Used for level shifting between microcontroller I/O pins and other peripheral devices.
  2. Communication Systems: Enables voltage level translation between different logic families in communication interfaces.
  3. Industrial Automation: Facilitates signal buffering and level conversion in industrial control systems.
  4. Automotive Electronics: Provides voltage level shifting in automotive applications, such as sensor interfacing.
  5. Consumer Electronics: Used in audio/video equipment, gaming consoles, and other consumer devices for signal conditioning and level shifting.

Detailed and Complete Alternative Models

  1. SN74LV126A: Similar to SN74LV125ATDR but with 3-state inverted outputs.
  2. SN74LVC125A: Low-voltage quad-channel buffer/driver with 5V tolerant inputs.
  3. SN74HCT125: Quad-channel buffer/driver with TTL-level inputs and outputs.
  4. SN74LV244A: Octal buffer/driver with 3-state outputs for bus-oriented applications.

These alternative models offer similar functionality and can be considered as substitutes for the SN74LV125ATDR in different applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74LV125ATDR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74LV125ATDR:

  1. Q: What is SN74LV125ATDR? A: SN74LV125ATDR is a quad bus buffer gate with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for SN74LV125ATDR? A: The operating voltage range for SN74LV125ATDR is typically between 1.65V and 5.5V.

  3. Q: What is the maximum output current of SN74LV125ATDR? A: The maximum output current of SN74LV125ATDR is 12mA per channel.

  4. Q: Can SN74LV125ATDR be used as a level shifter? A: Yes, SN74LV125ATDR can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many channels does SN74LV125ATDR have? A: SN74LV125ATDR has four independent channels, each with a separate input and output.

  6. Q: What is the propagation delay of SN74LV125ATDR? A: The typical propagation delay of SN74LV125ATDR is around 4.8ns.

  7. Q: Is SN74LV125ATDR compatible with TTL logic levels? A: Yes, SN74LV125ATDR is compatible with both TTL and CMOS logic levels.

  8. Q: Can SN74LV125ATDR drive capacitive loads? A: Yes, SN74LV125ATDR can drive capacitive loads up to 50pF.

  9. Q: What is the temperature range for SN74LV125ATDR? A: SN74LV125ATDR is designed to operate within a temperature range of -40°C to 85°C.

  10. Q: Can SN74LV125ATDR be used in automotive applications? A: Yes, SN74LV125ATDR is qualified for automotive applications and meets the necessary standards.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for SN74LV125ATDR.