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74LVCH244ADB,118
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74LVCH244ADB,118

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: Low Voltage CMOS Octal Buffer/Line Driver with 3-State Outputs
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: This IC is designed to provide high-speed, low-power buffer functionality for digital systems.
  • Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • High-Level Input Voltage: 2V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: 2.4V (min) at IOH = -12mA
  • Low-Level Output Voltage: 0.4V (max) at IOL = 24mA
  • Maximum Operating Frequency: 200MHz
  • Propagation Delay: 3.9ns (typical) at VCC = 3.3V, CL = 50pF

Detailed Pin Configuration

The 74LVCH244ADB,118 IC has a total of 20 pins, which are assigned as follows:

  • Pin 1: Output Enable (OE)
  • Pin 2: Input/Output (IO1)
  • Pin 3: Input/Output (IO2)
  • Pin 4: Input/Output (IO3)
  • Pin 5: Input/Output (IO4)
  • Pin 6: Ground (GND)
  • Pin 7: Input/Output (IO5)
  • Pin 8: Input/Output (IO6)
  • Pin 9: Input/Output (IO7)
  • Pin 10: Input/Output (IO8)
  • Pin 11: Supply Voltage (VCC)
  • Pin 12: Input/Output (IO9)
  • Pin 13: Input/Output (IO10)
  • Pin 14: Input/Output (IO11)
  • Pin 15: Input/Output (IO12)
  • Pin 16: Output Enable (OE*)
  • Pin 17: Input/Output (IO13)
  • Pin 18: Input/Output (IO14)
  • Pin 19: Input/Output (IO15)
  • Pin 20: Input/Output (IO16)

Functional Features

  • Octal buffer/line driver with 3-state outputs.
  • Provides non-inverting buffer functionality for digital signals.
  • Supports bidirectional data flow.
  • Allows multiple devices to be connected together, enabling bus sharing.

Advantages and Disadvantages

Advantages: - Low voltage operation makes it suitable for battery-powered applications. - High-speed operation allows for efficient data transfer. - 3-state outputs provide flexibility in controlling signal flow. - Wide supply voltage range enhances compatibility with different systems.

Disadvantages: - Limited output current capability compared to some other buffer ICs. - May require additional external components for specific applications. - Not suitable for high-voltage applications.

Working Principles

The 74LVCH244ADB,118 is based on CMOS technology, which allows for low-power operation. It consists of eight buffer circuits that can be independently enabled or disabled using the OE and OE* pins. When the output enable input is high, the outputs are in a high-impedance state, allowing other devices to drive the bus lines. When the output enable input is low, the inputs are buffered and transmitted to the outputs.

Detailed Application Field Plans

The 74LVCH244ADB,118 is commonly used in various digital systems where buffering and signal level translation are required. Some typical application fields include:

  1. Microcontrollers and microprocessors
  2. Memory systems
  3. Communication interfaces
  4. Data acquisition systems
  5. Industrial automation

Detailed and Complete Alternative Models

  • SN74LVCH244A: Similar octal buffer/line driver IC from Texas Instruments.
  • MC74LVX244: Octal buffer/line driver IC with 3-state outputs from ON Semiconductor.
  • CD74HCT244: Octal buffer/line driver IC with TTL-compatible inputs from Texas Instruments.

These alternative models offer similar functionality and can be used as replacements for the 74LVCH244ADB,118 in various applications.

Word count: 440 words

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 74LVCH244ADB,118 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of 74LVCH244ADB,118 in technical solutions:

  1. Q: What is the function of the 74LVCH244ADB,118? A: The 74LVCH244ADB,118 is an octal buffer/line driver with 3-state outputs. It can be used to amplify and buffer digital signals.

  2. Q: What is the operating voltage range of the 74LVCH244ADB,118? A: The operating voltage range is from 1.65V to 5.5V.

  3. Q: Can the 74LVCH244ADB,118 handle high-speed data transmission? A: Yes, it has a high-speed operation capability with a maximum propagation delay of 4.3 ns.

  4. Q: How many input/output pins does the 74LVCH244ADB,118 have? A: It has 8 input pins and 8 output pins.

  5. Q: Is the 74LVCH244ADB,118 compatible with both CMOS and TTL logic levels? A: Yes, it is compatible with both CMOS and TTL logic levels.

  6. Q: Can I use the 74LVCH244ADB,118 for bidirectional communication? A: No, the 74LVCH244ADB,118 is a unidirectional buffer and cannot be used for bidirectional communication.

  7. Q: What is the maximum output current that the 74LVCH244ADB,118 can drive? A: The maximum output current is typically 24 mA.

  8. Q: Does the 74LVCH244ADB,118 have built-in protection against electrostatic discharge (ESD)? A: Yes, it has ESD protection up to 2 kV.

  9. Q: Can I use the 74LVCH244ADB,118 in automotive applications? A: Yes, it is suitable for automotive applications as it meets the AEC-Q100 standard.

  10. Q: What package options are available for the 74LVCH244ADB,118? A: The 74LVCH244ADB,118 is available in various package options, including SOIC, TSSOP, and DHVQFN.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of the 74LVCH244ADB,118.