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74HC244DB,112

74HC244DB,112

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, CMOS technology
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Octal buffer/line driver with 3-state outputs
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2V to 6V
  • High-Level Input Voltage: 2V to VCC
  • Low-Level Input Voltage: GND to 0.8V
  • High-Level Output Voltage: VCC - 0.5V
  • Low-Level Output Voltage: 0.5V
  • Maximum Operating Frequency: 80 MHz
  • Propagation Delay Time: 9 ns
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74HC244DB,112 IC has a total of 20 pins. The pin configuration is as follows:

  1. A1
  2. Y1
  3. A2
  4. Y2
  5. A3
  6. Y3
  7. A4
  8. Y4
  9. GND
  10. Y5
  11. A5
  12. Y6
  13. A6
  14. Y7
  15. A7
  16. Y8
  17. OE (Output Enable)
  18. VCC
  19. GND
  20. OE (Output Enable)

Functional Features

  • Octal buffer/line driver with 3-state outputs
  • Non-inverting outputs
  • High-speed operation
  • Compatible with TTL levels
  • Balanced propagation delays
  • Wide operating voltage range
  • Low power consumption
  • ESD protection

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Wide operating voltage range provides flexibility in various applications - Low power consumption helps conserve energy - ESD protection ensures reliability and durability

Disadvantages: - Limited number of output pins (8) - Not suitable for high-current applications

Working Principles

The 74HC244DB,112 is an octal buffer/line driver IC that operates using CMOS technology. It consists of eight non-inverting buffers with 3-state outputs. The IC acts as a buffer between the input and output signals, amplifying and driving the signals to their respective destinations.

The Output Enable (OE) pin controls the state of the outputs. When OE is low, the outputs are enabled and reflect the input signals. When OE is high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.

Detailed Application Field Plans

The 74HC244DB,112 IC finds applications in various fields, including:

  1. Data communication systems
  2. Microprocessor-based systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics
  6. Instrumentation and measurement equipment

Detailed and Complete Alternative Models

Some alternative models that can be used instead of the 74HC244DB,112 IC include:

  1. SN74HC244N
  2. CD74HC244E
  3. MC74HC244AN
  4. TC74HC244AP

These alternative models offer similar functionality and characteristics, providing options for different manufacturers or availability.

In conclusion, the 74HC244DB,112 is a high-speed octal buffer/line driver IC with 3-state outputs. Its wide operating voltage range, low power consumption, and compatibility with TTL levels make it suitable for various applications in different fields. However, its limited number of output pins and unsuitability for high-current applications are some of its disadvantages. Alternative models such as SN74HC244N, CD74HC244E, MC74HC244AN, and TC74HC244AP can be used as substitutes if needed.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74HC244DB,112 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of 74HC244DB,112 in technical solutions:

  1. Q: What is the 74HC244DB,112? A: The 74HC244DB,112 is a high-speed octal buffer/line driver integrated circuit (IC) that can be used for signal buffering and level shifting.

  2. Q: What is the maximum operating voltage for the 74HC244DB,112? A: The maximum operating voltage for the 74HC244DB,112 is typically 5.5V.

  3. Q: How many input/output pins does the 74HC244DB,112 have? A: The 74HC244DB,112 has 8 input pins and 8 output pins, making it an octal buffer.

  4. Q: Can the 74HC244DB,112 handle bidirectional communication? A: No, the 74HC244DB,112 is a unidirectional buffer and cannot handle bidirectional communication.

  5. Q: What is the maximum output current that the 74HC244DB,112 can drive? A: The 74HC244DB,112 can typically drive up to 35mA of output current per channel.

  6. Q: Is the 74HC244DB,112 compatible with both TTL and CMOS logic levels? A: Yes, the 74HC244DB,112 is compatible with both TTL and CMOS logic levels, making it versatile for various applications.

  7. Q: Can the 74HC244DB,112 be used as a level shifter? A: Yes, the 74HC244DB,112 can be used as a level shifter to convert signals between different voltage levels.

  8. Q: What is the maximum propagation delay of the 74HC244DB,112? A: The maximum propagation delay of the 74HC244DB,112 is typically around 15 nanoseconds.

  9. Q: Can the 74HC244DB,112 be used in high-speed applications? A: Yes, the 74HC244DB,112 is designed for high-speed operation and can be used in applications that require fast signal switching.

  10. Q: Are there any specific precautions to consider when using the 74HC244DB,112? A: It is important to ensure that the power supply voltage does not exceed the specified maximum rating and to avoid exceeding the maximum output current per channel to prevent damage to the IC.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74HC244DB,112.