Texas Instruments
Bild kan vara representation.
Se specifikationer för produktinformation.
SN74ALVC125NSR
Visa detalj Datablad

SN74ALVC125NSR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Driver
  • Characteristics: High-speed, low-voltage, non-inverting
  • Package: 14-pin small-outline integrated circuit (SOIC)
  • Essence: Logic level translator/buffer
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 400MHz
  • Number of Channels: 4
  • Input/Output Type: Non-Inverting
  • Output Drive Capability: ±24mA
  • Propagation Delay: 2.5ns (typical)

Detailed Pin Configuration

The SN74ALVC125NSR has a 14-pin configuration as follows:

__ __ Y1 -| 1 14 |- VCC A1 -| 2 13 |- B1 A2 -| 3 12 |- Y2 B2 -| 4 11 |- A3 Y3 -| 5 10 |- B3 GND -| 6 9 |- Y4 B4 -| 7 8 |- A4 ----------

Functional Features

  • High-speed operation: The SN74ALVC125NSR is designed for high-frequency applications, making it suitable for use in systems requiring fast data transfer.
  • Low-voltage compatibility: With a supply voltage range of 1.65V to 3.6V, this IC can be easily integrated into low-power circuits.
  • Non-inverting buffer: The IC provides non-inverting functionality, ensuring that the output signal matches the input signal.
  • Output drive capability: The SN74ALVC125NSR can drive up to ±24mA of current, allowing it to interface with a wide range of devices.

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data transfer.
  • Low-voltage compatibility makes it suitable for low-power applications.
  • Non-inverting buffer ensures signal integrity.
  • Output drive capability allows for interfacing with various devices.

Disadvantages

  • Limited number of channels (4) may not be sufficient for complex systems requiring more inputs/outputs.
  • Propagation delay of 2.5ns (typical) may introduce slight delays in time-critical applications.

Working Principles

The SN74ALVC125NSR is a logic level translator/buffer that operates by receiving input signals and providing corresponding output signals. It uses CMOS technology to achieve high-speed operation and low-voltage compatibility. The non-inverting nature of the buffer ensures that the output signal matches the input signal, maintaining signal integrity. The IC's output drive capability allows it to provide sufficient current to drive external devices.

Detailed Application Field Plans

The SN74ALVC125NSR can be used in various applications, including:

  1. Communication Systems: It can be employed in data communication systems to buffer and translate signals between different voltage levels, ensuring reliable data transmission.

  2. Microcontrollers: The IC can be utilized in microcontroller-based systems to interface with peripheral devices, such as sensors, actuators, and displays, enabling seamless communication between the microcontroller and external components.

  3. Industrial Automation: In industrial automation systems, the SN74ALVC125NSR can be used to buffer and translate control signals, facilitating the integration of different modules and devices within the system.

  4. Automotive Electronics: This IC finds application in automotive electronics, where it can be used to interface various components, such as sensors, switches, and displays, with the vehicle's control system.

Detailed and Complete Alternative Models

  1. SN74LVC125A: Similar to SN74ALVC125NSR, but operates at a lower voltage range (1.65V to 3.6V) and has a higher maximum operating frequency (500MHz).

  2. SN74HC125: A high-speed CMOS buffer/driver that operates at a wider voltage range (2V to 6V) and provides four non-inverting channels.

  3. SN74LV1T125: A single-channel buffer/driver with a wide supply voltage range (1.65V to 5.5V) and a maximum operating frequency of 400MHz.

  4. SN74AHC125: A quad buffer/driver with non-inverting functionality, operating at a voltage range of 2V to 5.5V and providing four channels.

These alternative models offer similar functionality to the SN74ALVC125NSR and can be considered based on specific application requirements.

(Note

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74ALVC125NSR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74ALVC125NSR:

  1. Q: What is SN74ALVC125NSR? A: SN74ALVC125NSR is a quad bus buffer gate with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the operating voltage range for SN74ALVC125NSR? A: The operating voltage range for SN74ALVC125NSR is typically between 1.65V and 3.6V.

  3. Q: What is the maximum output current that SN74ALVC125NSR can drive? A: SN74ALVC125NSR can drive up to 24mA of output current per channel.

  4. Q: Can SN74ALVC125NSR be used as a level shifter? A: Yes, SN74ALVC125NSR can be used as a level shifter to convert signals between different voltage levels.

  5. Q: Does SN74ALVC125NSR have internal pull-up or pull-down resistors? A: No, SN74ALVC125NSR does not have internal pull-up or pull-down resistors.

  6. Q: What is the propagation delay of SN74ALVC125NSR? A: The propagation delay of SN74ALVC125NSR is typically around 3.8ns.

  7. Q: Can SN74ALVC125NSR be used in high-speed applications? A: Yes, SN74ALVC125NSR is designed for high-speed operation and can be used in such applications.

  8. Q: How many channels does SN74ALVC125NSR have? A: SN74ALVC125NSR has four independent channels.

  9. Q: What is the maximum operating frequency of SN74ALVC125NSR? A: The maximum operating frequency of SN74ALVC125NSR is typically around 500MHz.

  10. Q: Is SN74ALVC125NSR compatible with other logic families? A: Yes, SN74ALVC125NSR is compatible with a wide range of logic families, including TTL, CMOS, and LVCMOS.

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