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SN74LV125ATDBR
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SN74LV125ATDBR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Driver
  • Characteristics: Low-voltage, Quad 3-state Non-inverting Buffer/Driver
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: This IC is designed to provide high-speed, low-power buffer/driver functionality for various digital applications.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 1.65V to 5.5V
  • Logic Family: LV (Low-Voltage)
  • Number of Channels: 4
  • Output Type: Non-Inverting
  • Output Current: ±12mA
  • Propagation Delay Time: 6.2ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LV125ATDBR has a total of 14 pins, which are assigned as follows:

  1. Pin 1: Output Enable (OE) for Channel 1
  2. Pin 2: Input (A) for Channel 1
  3. Pin 3: Output (Y) for Channel 1
  4. Pin 4: Ground (GND)
  5. Pin 5: Output (Y) for Channel 2
  6. Pin 6: Input (A) for Channel 2
  7. Pin 7: Output Enable (OE) for Channel 2
  8. Pin 8: VCC (Positive Power Supply)
  9. Pin 9: Output Enable (OE) for Channel 3
  10. Pin 10: Input (A) for Channel 3
  11. Pin 11: Output (Y) for Channel 3
  12. Pin 12: Output (Y) for Channel 4
  13. Pin 13: Input (A) for Channel 4
  14. Pin 14: Output Enable (OE) for Channel 4

Functional Features

  • Quad 3-state non-inverting buffer/driver
  • High-speed operation with low power consumption
  • Wide operating voltage range
  • 3-state outputs for bus-oriented applications
  • Schmitt-trigger inputs for noise immunity
  • ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages

  • Low-voltage operation allows compatibility with various digital systems
  • High-speed performance enables efficient data transmission
  • 3-state outputs facilitate bus sharing in multi-device systems
  • Schmitt-trigger inputs provide improved noise immunity
  • ESD protection ensures robustness against electrostatic discharge

Disadvantages

  • Limited number of channels (4)
  • Not suitable for high-power applications

Working Principles

The SN74LV125ATDBR operates as a buffer/driver, which means it amplifies and controls the signals passing through it. It takes input signals from the A pins and provides amplified output signals at the corresponding Y pins. The OE pins control the output enable/disable functionality for each channel.

Detailed Application Field Plans

The SN74LV125ATDBR is commonly used in various digital applications, including:

  1. Microcontrollers and microprocessors
  2. Communication systems
  3. Data storage devices
  4. Industrial automation
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. SN74LVC125A: Similar to SN74LV125ATDBR but operates at a slightly higher voltage range (1.65V to 3.6V).
  2. SN74HCT125: Offers similar functionality but operates at a higher voltage range (4.5V to 5.5V).
  3. SN74LV126A: Provides quad 3-state non-inverting buffer/driver functionality with additional output enable control.

These alternative models can be considered based on specific voltage requirements and application constraints.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SN74LV125ATDBR dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of SN74LV125ATDBR:

  1. Q: What is SN74LV125ATDBR? A: SN74LV125ATDBR 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 SN74LV125ATDBR? A: The operating voltage range for SN74LV125ATDBR is typically between 1.65V and 5.5V.

  3. Q: What is the maximum output current that SN74LV125ATDBR can drive? A: SN74LV125ATDBR can drive up to 12mA of output current per channel.

  4. Q: Can SN74LV125ATDBR be used as a level shifter? A: Yes, SN74LV125ATDBR can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many channels does SN74LV125ATDBR have? A: SN74LV125ATDBR has four independent channels, each with a separate input and output.

  6. Q: What is the propagation delay of SN74LV125ATDBR? A: The propagation delay of SN74LV125ATDBR is typically around 5.8ns.

  7. Q: Can SN74LV125ATDBR be used in high-speed applications? A: Yes, SN74LV125ATDBR is suitable for high-speed applications due to its low propagation delay and fast switching characteristics.

  8. Q: Is SN74LV125ATDBR compatible with other logic families? A: Yes, SN74LV125ATDBR is compatible with a wide range of logic families, including TTL, CMOS, and LVTTL.

  9. Q: Can SN74LV125ATDBR be used in bidirectional applications? A: No, SN74LV125ATDBR is a unidirectional buffer and cannot be used for bidirectional communication.

  10. Q: What is the package type for SN74LV125ATDBR? A: SN74LV125ATDBR is available in a TSSOP-14 package, which is a small surface-mount package with 14 pins.

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