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74LVC544APW,112

74LVC544APW,112

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Shifter
  • Characteristics: High-speed CMOS technology, low power consumption
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic level shifting between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: GND to VCC
  • Output Voltage Range: GND to VCC
  • Maximum Operating Frequency: 100 MHz
  • Number of Channels: 8
  • Input/Output Type: Non-Inverting
  • Propagation Delay: 4.5 ns (typical)

Detailed Pin Configuration

The 74LVC544APW,112 has a total of 20 pins. The pin configuration is as follows:

  1. OE (Output Enable) - Active Low Output Enable
  2. D0 to D7 (Data Inputs) - Eight Data Inputs
  3. GND (Ground) - Ground Reference
  4. VCC (Supply Voltage) - Positive Power Supply
  5. Q0 to Q7 (Data Outputs) - Eight Data Outputs
  6. LE (Latch Enable) - Active High Latch Enable
  7. CLK (Clock) - Clock Input
  8. A0 to A2 (Address Inputs) - Three Address Inputs

Functional Features

  • Logic Level Shifting: The 74LVC544APW,112 allows for the translation of logic levels between different voltage domains.
  • Non-Inverting Buffer: The IC provides non-inverting data buffering, ensuring the output signal matches the input signal.
  • High-Speed Operation: With its high-speed CMOS technology, the IC can operate at frequencies up to 100 MHz.
  • Low Power Consumption: The IC is designed to consume minimal power, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Non-inverting buffer ensures accurate signal translation. - High-speed operation enables fast data transfer. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring more inputs/outputs. - Propagation delay of 4.5 ns may introduce timing issues in certain high-speed applications.

Working Principles

The 74LVC544APW,112 operates by receiving data inputs from one voltage domain and translating them to the corresponding voltage level in another domain. It utilizes non-inverting buffers to ensure accurate signal translation without any inversion. The latch enable (LE) input allows the IC to capture and hold the data at the outputs until a new set of data is received. The clock (CLK) input synchronizes the data transfer process.

Detailed Application Field Plans

The 74LVC544APW,112 finds application in various fields, including:

  1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels.
  2. Communication Systems: The IC facilitates logic level shifting in communication systems, ensuring compatibility between different components.
  3. Sensor Networks: It enables the integration of sensors operating at different voltage domains into a single system.
  4. Industrial Automation: The IC can be employed in industrial automation systems to interface different control modules.

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the 74LVC544APW,112 include:

  1. SN74LVC541A: Octal Buffer/Driver with 3-State Outputs
  2. MC74VHC541: Octal Buffer/Line Driver with 3-State Outputs
  3. CD74HCT541: Octal Buffer/Line Driver with 3-State Outputs

These alternative models offer comparable logic level shifting capabilities and can be considered as substitutes for the 74LVC544APW,112 in various applications.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 74LVC544APW,112 trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of 74LVC544APW,112 in technical solutions:

  1. Q: What is the function of the 74LVC544APW,112? A: The 74LVC544APW,112 is an octal buffer/line driver with 3-state outputs. It is used for signal buffering and driving in digital circuits.

  2. Q: What is the voltage supply range for the 74LVC544APW,112? A: The voltage supply range for the 74LVC544APW,112 is typically between 1.65V and 5.5V.

  3. Q: How many input/output pins does the 74LVC544APW,112 have? A: The 74LVC544APW,112 has a total of 8 input pins and 8 output pins.

  4. Q: Can the 74LVC544APW,112 be used for bidirectional communication? A: No, the 74LVC544APW,112 is a unidirectional buffer/line driver and does not support bidirectional communication.

  5. Q: What is the maximum output current that the 74LVC544APW,112 can provide? A: The 74LVC544APW,112 can provide a maximum output current of 24mA per channel.

  6. Q: Is the 74LVC544APW,112 compatible with TTL logic levels? A: Yes, the 74LVC544APW,112 is compatible with both TTL and CMOS logic levels.

  7. Q: Can the 74LVC544APW,112 be used in high-speed applications? A: Yes, the 74LVC544APW,112 is designed for high-speed operation and can be used in applications with fast switching requirements.

  8. Q: Does the 74LVC544APW,112 have built-in protection features? A: Yes, the 74LVC544APW,112 has built-in ESD protection on all inputs and outputs.

  9. Q: What is the typical propagation delay of the 74LVC544APW,112? A: The typical propagation delay of the 74LVC544APW,112 is around 4.5ns.

  10. Q: Can the 74LVC544APW,112 be cascaded to drive more than 8 outputs? A: Yes, multiple 74LVC544APW,112 devices can be cascaded together to drive a larger number of outputs in parallel.

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