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74LVT244ABQ,115

74LVT244ABQ,115

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: Low Voltage, Tri-State Outputs
  • Package: TSSOP-20
  • Essence: Logic Level Shifter
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • 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: 200MHz
  • Propagation Delay Time: 4.5ns (max)

Detailed Pin Configuration

The 74LVT244ABQ,115 IC has a total of 20 pins. The pin configuration is as follows:

Pin 1: GND Pin 2: A1 Pin 3: A2 Pin 4: A3 Pin 5: A4 Pin 6: A5 Pin 7: A6 Pin 8: OE# Pin 9: Y1 Pin 10: Y2 Pin 11: Y3 Pin 12: Y4 Pin 13: Y5 Pin 14: Y6 Pin 15: VCC Pin 16: B1 Pin 17: B2 Pin 18: B3 Pin 19: B4 Pin 20: B5

Functional Features

  • Tri-State Outputs: The 74LVT244ABQ,115 IC has tri-state outputs, allowing the outputs to be disabled and put into a high-impedance state.
  • Logic Level Shifter: It can shift logic levels from one voltage domain to another, making it suitable for interfacing between different voltage systems.
  • Low Voltage Operation: The IC operates at low voltages ranging from 1.2V to 3.6V, making it compatible with various low-power applications.

Advantages and Disadvantages

Advantages: - Tri-state outputs provide flexibility in controlling the output signals. - Wide supply voltage range allows compatibility with different voltage systems. - Low power consumption due to low voltage operation. - Small package size (TSSOP-20) enables space-saving designs.

Disadvantages: - Limited maximum operating frequency compared to some other buffer ICs. - Not suitable for high-speed applications requiring very short propagation delay times.

Working Principles

The 74LVT244ABQ,115 is a buffer/line driver IC that amplifies and buffers digital signals. It consists of six non-inverting buffer gates with tri-state outputs. The inputs are compatible with both TTL and CMOS logic levels. When the output enable (OE#) pin is low, the outputs are active and follow the input signals. When OE# is high, the outputs are disabled and put into a high-impedance state.

Detailed Application Field Plans

The 74LVT244ABQ,115 IC finds applications in various fields, including: 1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels. 2. Data Communication Systems: It is suitable for level shifting and buffering signals in communication interfaces like UART, SPI, and I2C. 3. Battery-Powered Devices: Due to its low voltage operation and low power consumption, it is commonly used in battery-powered devices such as portable electronics and IoT devices.

Detailed and Complete Alternative Models

Some alternative models to the 74LVT244ABQ,115 IC are: - SN74LVC244A: Similar buffer/line driver IC with tri-state outputs, but operates at a wider supply voltage range of 1.65V to 5.5V. - 74HC244: Non-inverting buffer IC with tri-state outputs, compatible with CMOS logic levels, and operates at a higher maximum frequency of 60MHz.

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10 domande e risposte comuni relative all'applicazione di 74LVT244ABQ,115 nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of 74LVT244ABQ,115 in technical solutions:

  1. Q: What is the function of the 74LVT244ABQ,115? A: The 74LVT244ABQ,115 is an octal buffer/line driver with 3-state outputs.

  2. Q: What is the voltage supply range for this IC? A: The voltage supply range for the 74LVT244ABQ,115 is typically between 2.7V and 3.6V.

  3. Q: How many inputs and outputs does this IC have? A: The 74LVT244ABQ,115 has 8 inputs and 8 outputs.

  4. Q: Can I use this IC for level shifting applications? A: Yes, the 74LVT244ABQ,115 can be used for level shifting as it supports both TTL and CMOS logic levels.

  5. Q: What is the maximum output current that this IC can drive? A: The maximum output current for each channel of the 74LVT244ABQ,115 is typically around 32mA.

  6. Q: Is this IC compatible with other standard logic families? A: Yes, the 74LVT244ABQ,115 is compatible with other standard logic families like LVTTL, LVCMOS, and TTL.

  7. Q: Can I connect multiple 74LVT244ABQ,115 ICs together to increase the number of outputs? A: Yes, you can connect multiple 74LVT244ABQ,115 ICs together to increase the number of outputs by cascading them.

  8. Q: Does this IC have built-in protection features? A: Yes, the 74LVT244ABQ,115 has built-in protection features like overvoltage and undervoltage lockout.

  9. Q: What is the typical propagation delay of this IC? A: The typical propagation delay for the 74LVT244ABQ,115 is around 3.5ns.

  10. Q: Can I use this IC in high-speed data transmission applications? A: Yes, the 74LVT244ABQ,115 can be used in high-speed data transmission applications as it has a maximum operating frequency of around 200MHz.

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