Texas Instruments
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
SN74ALVC125PWG4
Lihat Butiran Helaian data

SN74ALVC125PWG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Driver
  • Characteristics: High-speed, low-voltage, quad-channel buffer/driver
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic Level Translator
  • Packaging/Quantity: Tape and Reel, 2500 pieces 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: 400 MHz
  • Number of Channels: 4
  • Output Drive Capability: ±24 mA
  • Propagation Delay: 2.5 ns (typical)

Detailed Pin Configuration

The SN74ALVC125PWG4 has a total of 14 pins, which are assigned as follows:

  • Pin 1: Output Y1
  • Pin 2: Input A1
  • Pin 3: GND (Ground)
  • Pin 4: Input A2
  • Pin 5: Output Y2
  • Pin 6: Input B2
  • Pin 7: VCC (Supply Voltage)
  • Pin 8: Output Y3
  • Pin 9: Input A3
  • Pin 10: GND (Ground)
  • Pin 11: Input B3
  • Pin 12: Output Y4
  • Pin 13: Input A4
  • Pin 14: VCC (Supply Voltage)

Functional Features

  • Quad-channel buffer/driver with 3-state outputs
  • Compatible with both TTL and CMOS logic levels
  • Supports bidirectional voltage translation
  • Low power consumption
  • High-speed operation
  • ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transmission - 3-state outputs provide flexibility in bus sharing applications - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Only supports unidirectional translation, not suitable for bidirectional communication

Working Principles

The SN74ALVC125PWG4 is a quad-channel buffer/driver that operates as a logic level translator. It takes input signals from one logic family (TTL or CMOS) and translates them to the corresponding logic levels of another family. The device uses a combination of MOSFETs and CMOS technology to achieve high-speed operation and low power consumption.

Detailed Application Field Plans

The SN74ALVC125PWG4 can be used in various applications, including but not limited to:

  1. Microcontroller interfacing: It can be used to interface microcontrollers operating at different logic levels.
  2. Level shifting: It can be used to shift logic levels between different voltage domains in mixed-voltage systems.
  3. Bus buffering: It can be used to buffer and drive signals on buses, ensuring signal integrity and preventing loading effects.
  4. Signal isolation: It can be used to isolate sensitive circuits from noisy environments by providing a buffer between them.

Detailed and Complete Alternative Models

  1. SN74LVC125A: Similar quad-channel buffer/driver with 3-state outputs, compatible with 3.3V systems.
  2. SN74LVCH125: Quad-channel buffer/driver with 3-state outputs, compatible with both 3.3V and 5V systems.
  3. SN74AHC125: Quad-channel buffer/driver with 3-state outputs, compatible with 5V systems.

These alternative models offer similar functionality and can be used as replacements for the SN74ALVC125PWG4 in different applications.

Word count: 409 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN74ALVC125PWG4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of SN74ALVC125PWG4 in technical solutions:

  1. Q: What is SN74ALVC125PWG4? A: SN74ALVC125PWG4 is a quad buffer gate IC (integrated circuit) that provides four independent buffers with tri-state outputs.

  2. Q: What is the purpose of using SN74ALVC125PWG4 in a technical solution? A: SN74ALVC125PWG4 is commonly used for level shifting, signal buffering, and voltage translation applications in digital systems.

  3. Q: What is the operating voltage range of SN74ALVC125PWG4? A: SN74ALVC125PWG4 operates within a voltage range of 1.65V to 5.5V.

  4. Q: Can SN74ALVC125PWG4 handle bidirectional signals? A: No, SN74ALVC125PWG4 is a unidirectional buffer and cannot handle bidirectional signals.

  5. Q: What is the maximum output current of SN74ALVC125PWG4? A: The maximum output current per channel of SN74ALVC125PWG4 is typically 24mA.

  6. Q: Does SN74ALVC125PWG4 have internal pull-up or pull-down resistors? A: No, SN74ALVC125PWG4 does not have internal pull-up or pull-down resistors.

  7. Q: Can SN74ALVC125PWG4 tolerate overvoltage on its inputs? A: Yes, SN74ALVC125PWG4 has input voltage tolerance up to 5.5V, making it tolerant to overvoltage conditions.

  8. Q: What is the propagation delay of SN74ALVC125PWG4? A: The typical propagation delay of SN74ALVC125PWG4 is around 3.5ns.

  9. Q: Can SN74ALVC125PWG4 be used in high-speed applications? A: Yes, SN74ALVC125PWG4 is designed for high-speed operation and can be used in applications with fast switching requirements.

  10. Q: Is SN74ALVC125PWG4 available in different package options? A: Yes, SN74ALVC125PWG4 is available in various package options, including TSSOP, SOIC, and VQFN.

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