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74LVC544AD,118

74LVC544AD,118

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Shifter
  • Characteristics: High-speed CMOS technology, low power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • 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 74LVC544AD,118 has a total of 20 pins. The pin configuration is as follows:

  1. OE (Output Enable) - Active Low Output Enable
  2. D0-D7 (Data Inputs/Outputs) - Bidirectional Data Lines
  3. GND (Ground) - Ground Reference
  4. VCC (Supply Voltage) - Positive Power Supply
  5. DIR (Direction Control) - Direction Control Input
  6. A0-A2 (Address Inputs) - Address Inputs for Channel Selection
  7. NC (No Connection) - No Connection
  8. Q0-Q7 (Data Outputs/Inputs) - Bidirectional Data Lines
  9. GND (Ground) - Ground Reference
  10. VCC (Supply Voltage) - Positive Power Supply

Functional Features

  • Bidirectional logic level shifting between different voltage domains
  • Non-inverting data transfer
  • High-speed operation with low power consumption
  • Wide supply voltage range allows compatibility with various systems
  • Output enable control for easy interfacing with other devices

Advantages and Disadvantages

Advantages: - High-speed CMOS technology enables fast data transfer - Low power consumption for energy-efficient operation - Wide supply voltage range allows compatibility with different systems - Output enable control provides flexibility in interfacing with other devices

Disadvantages: - Limited number of channels (8) - Propagation delay may affect timing-sensitive applications

Working Principles

The 74LVC544AD,118 is a logic level shifter that allows bidirectional data transfer between different voltage domains. It utilizes high-speed CMOS technology to achieve fast data transfer while consuming low power. The device operates within a wide supply voltage range, making it compatible with various systems.

The direction of data transfer is controlled by the DIR pin. When the DIR pin is set to a logic high or low, the data flows from the D0-D7 pins to the Q0-Q7 pins or vice versa. The OE pin acts as an output enable control, allowing the device to be easily interfaced with other devices.

Detailed Application Field Plans

The 74LVC544AD,118 is commonly used in applications where logic level shifting is required between different voltage domains. Some potential application fields include:

  1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels.
  2. Communication systems: It can be employed in communication systems to ensure proper signal translation between different voltage domains.
  3. Sensor interfaces: The device can be utilized to connect sensors operating at different voltage levels to a central processing unit.
  4. Industrial automation: It can be integrated into industrial automation systems to facilitate communication between different components.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC544AD,118 are:

  1. SN74LVC244A: Octal Buffer/Line Driver with 3-State Outputs
  2. 74HC244: Octal Buffer/Line Driver with 3-State Outputs
  3. CD4050B: Hex Non-Inverting Buffer/Converter

These alternative models provide logic level shifting capabilities and can be considered as substitutes for the 74LVC544AD,118 in various applications.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem 74LVC544AD,118 w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of 74LVC544AD,118 in technical solutions:

  1. Q: What is the function of the 74LVC544AD,118? A: The 74LVC544AD,118 is an octal buffer/line driver with 3-state outputs. It can be used to amplify and drive signals in digital circuits.

  2. Q: What is the voltage range supported by the 74LVC544AD,118? A: The 74LVC544AD,118 supports a voltage range from 1.65V to 5.5V.

  3. Q: How many input/output pins does the 74LVC544AD,118 have? A: The 74LVC544AD,118 has 8 input pins and 8 output pins.

  4. Q: Can the 74LVC544AD,118 handle high-speed data transmission? A: Yes, the 74LVC544AD,118 is designed for high-speed operation and can handle fast data transmission.

  5. Q: What is the maximum output current of the 74LVC544AD,118? A: The maximum output current per channel of the 74LVC544AD,118 is 24mA.

  6. Q: Is the 74LVC544AD,118 compatible with both CMOS and TTL logic levels? A: Yes, the 74LVC544AD,118 is compatible with both CMOS and TTL logic levels.

  7. Q: Can the 74LVC544AD,118 be used as a level shifter? A: Yes, the 74LVC544AD,118 can be used as a level shifter to convert signals between different voltage levels.

  8. Q: Does the 74LVC544AD,118 have built-in protection features? A: Yes, the 74LVC544AD,118 has built-in ESD protection and can withstand electrostatic discharges up to 2000V.

  9. Q: What is the power supply voltage required for the 74LVC544AD,118? A: The 74LVC544AD,118 requires a power supply voltage between 1.65V and 5.5V.

  10. Q: Can the 74LVC544AD,118 be used in automotive applications? A: Yes, the 74LVC544AD,118 is AEC-Q100 qualified and can be used in automotive applications.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.