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74LVC543ABQ,118
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74LVC543ABQ,118

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic Level Shifter
  • Characteristics: Low Voltage CMOS Octal D-Type Flip-Flop with 3-State Outputs
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: This IC is designed to shift logic levels between different voltage domains in digital systems.
  • Packaging/Quantity: The 74LVC543ABQ,118 is typically sold in reels of 2500 units.

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-Level Input Voltage: 0.7 x VCC
  • Low-Level Input Voltage: 0.3 x VCC
  • High-Level Output Voltage: 0.9 x VCC
  • Low-Level Output Voltage: 0.1 x VCC
  • Maximum Operating Frequency: 100 MHz
  • Number of Flip-Flops: 8
  • Output Type: 3-State

Detailed Pin Configuration

The 74LVC543ABQ,118 has a total of 20 pins. Here is the detailed pin configuration:

  1. OE (Output Enable) - Output Enable Control Input
  2. CP (Clock Pulse) - Clock Input for Flip-Flop Operation
  3. D0-D7 (Data Inputs) - Data Inputs for Each Flip-Flop
  4. Q0-Q7 (Outputs) - Outputs for Each Flip-Flop
  5. GND (Ground) - Ground Reference
  6. VCC (Supply Voltage) - Positive Power Supply

Functional Features

  • Level Shifting: The IC allows for shifting logic levels between different voltage domains, enabling communication between devices operating at different voltage levels.
  • 3-State Outputs: The 74LVC543ABQ,118 features 3-state outputs, which allow the outputs to be in a high-impedance state when not enabled.
  • Edge-Triggered Flip-Flops: The IC utilizes edge-triggered D-type flip-flops for reliable and synchronized data storage.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - 3-state outputs provide flexibility in bus sharing applications. - High-speed operation supports fast data transfer rates.

Disadvantages: - Limited maximum operating frequency compared to some other ICs. - TSSOP package may require careful handling during assembly.

Working Principles

The 74LVC543ABQ,118 operates by receiving data inputs on the D0-D7 pins. The clock pulse (CP) input triggers the edge-triggered flip-flops, capturing the data and storing it in the corresponding flip-flop. The stored data is then available at the Q0-Q7 output pins. The output enable (OE) pin controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74LVC543ABQ,118 can be used in various digital systems where logic level shifting is required. Some application fields include: - Communication Interfaces: It can be used to interface devices operating at different voltage levels, such as UART, SPI, or I2C interfaces. - Microcontroller Systems: It enables communication between microcontrollers operating at different voltage domains. - Memory Systems: It can be utilized in memory modules to interface with different voltage memory chips.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC543ABQ,118 include: - SN74LVC543A: This IC from Texas Instruments offers octal D-type flip-flops with 3-state outputs and operates within a similar voltage range. - MC74LVX543: Manufactured by ON Semiconductor, this IC also provides octal D-type flip-flops with 3-state outputs and supports a wide supply voltage range.

(Note: The above information is for illustrative purposes only. Please refer to the respective datasheets for accurate specifications and details of alternative models.)

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui 74LVC543ABQ,118 în soluțiile tehnice

Sure! Here are 10 common questions and answers related to the application of 74LVC543ABQ,118 in technical solutions:

  1. Q: What is the function of the 74LVC543ABQ,118? A: The 74LVC543ABQ,118 is an octal D-type flip-flop with a transparent latch used for data storage and transfer.

  2. Q: What is the operating voltage range of the 74LVC543ABQ,118? A: The operating voltage range is typically between 1.65V and 5.5V.

  3. Q: How many flip-flops are there in the 74LVC543ABQ,118? A: The 74LVC543ABQ,118 has eight flip-flops, making it an octal flip-flop.

  4. Q: Can the 74LVC543ABQ,118 be used for level shifting? A: Yes, the 74LVC543ABQ,118 can be used for level shifting as it supports both 3.3V and 5V logic levels.

  5. Q: What is the maximum clock frequency supported by the 74LVC543ABQ,118? A: The maximum clock frequency is typically around 100 MHz.

  6. Q: Does the 74LVC543ABQ,118 have any built-in protection features? A: Yes, the 74LVC543ABQ,118 has built-in ESD protection on all inputs and outputs.

  7. Q: Can the 74LVC543ABQ,118 be used in high-speed applications? A: Yes, the 74LVC543ABQ,118 is designed for high-speed operation and can be used in various high-speed applications.

  8. Q: What is the output drive capability of the 74LVC543ABQ,118? A: The 74LVC543ABQ,118 has a typical output drive capability of ±24 mA.

  9. Q: Is the 74LVC543ABQ,118 compatible with other logic families? A: Yes, the 74LVC543ABQ,118 is compatible with both CMOS and TTL logic families.

  10. Q: Can the 74LVC543ABQ,118 be used in automotive applications? A: Yes, the 74LVC543ABQ,118 is qualified for automotive applications and meets the necessary standards.

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