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CD74ACT244E
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CD74ACT244E

Product Overview

  • Category: Integrated Circuit
  • Use: Signal Buffer/Line Driver
  • Characteristics: High-Speed, Octal Buffer/Line Driver
  • Package: 20-pin DIP (Dual In-line Package)
  • Essence: The CD74ACT244E is a high-speed octal buffer/line driver designed to provide enhanced signal amplification and driving capabilities.
  • Packaging/Quantity: Available in tubes or reels, with 25 units per tube/reel.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: 6ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

The CD74ACT244E has a total of 20 pins, which are assigned specific functions as follows:

  1. Pin 1: Output Enable (OE)
  2. Pin 2: Input/Output (I/O) 1
  3. Pin 3: I/O 2
  4. Pin 4: I/O 3
  5. Pin 5: I/O 4
  6. Pin 6: I/O 5
  7. Pin 7: I/O 6
  8. Pin 8: GND (Ground)
  9. Pin 9: I/O 7
  10. Pin 10: I/O 8
  11. Pin 11: OE
  12. Pin 12: I/O 9
  13. Pin 13: I/O 10
  14. Pin 14: I/O 11
  15. Pin 15: I/O 12
  16. Pin 16: VCC (Supply Voltage)
  17. Pin 17: I/O 13
  18. Pin 18: I/O 14
  19. Pin 19: I/O 15
  20. Pin 20: I/O 16

Functional Features

  • High-speed operation, suitable for applications requiring fast signal amplification and driving.
  • Octal buffer/line driver configuration allows for efficient signal transmission and buffering.
  • Output enable pin (OE) provides control over the output state, allowing for easy interfacing with other devices.
  • Wide operating voltage range ensures compatibility with various systems.
  • Robust design with high output current capability.

Advantages and Disadvantages

Advantages

  • High-speed operation enables quick signal processing.
  • Octal configuration provides flexibility in signal routing and buffering.
  • Output enable pin allows for easy control of the output state.
  • Wide operating voltage range enhances compatibility.
  • Robust design ensures reliable performance.

Disadvantages

  • Limited number of input/output channels (16 in total).
  • Requires external components for proper functioning in a circuit.
  • Not suitable for low-power applications due to relatively high power consumption.

Working Principles

The CD74ACT244E operates by receiving input signals on its 16 input/output pins and amplifying them to provide enhanced output signals. The output enable pin (OE) controls the state of the outputs, allowing for easy interfacing with other devices. The integrated circuit is designed to operate within a specified voltage range and can drive relatively high currents to ensure efficient signal transmission.

Detailed Application Field Plans

The CD74ACT244E is commonly used in various electronic applications, including:

  1. Data communication systems
  2. Microprocessor-based systems
  3. Industrial automation equipment
  4. Instrumentation and measurement devices
  5. Automotive electronics
  6. Audio/video equipment
  7. Networking devices

Detailed and Complete Alternative Models

  1. SN74ACT244: Similar octal buffer/line driver with slightly different specifications.
  2. CD74HCT244: Octal buffer/line driver with TTL-compatible inputs.
  3. MC74ACT244: Octal buffer/line driver with similar characteristics.

These alternative models offer similar functionality to the CD74ACT244E and can be used as substitutes depending on specific requirements.

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技術ソリューションにおける CD74ACT244E の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of CD74ACT244E in technical solutions:

  1. Q: What is CD74ACT244E? A: CD74ACT244E is a type of octal buffer/line driver integrated circuit (IC) that can be used for signal buffering and line driving applications.

  2. Q: What is the voltage supply range for CD74ACT244E? A: CD74ACT244E operates with a voltage supply range of 4.5V to 5.5V.

  3. Q: How many channels does CD74ACT244E have? A: CD74ACT244E has 8 channels, making it an octal buffer/line driver.

  4. Q: What is the maximum output current of CD74ACT244E? A: The maximum output current per channel of CD74ACT244E is typically around 24mA.

  5. Q: Can CD74ACT244E handle bidirectional signals? A: Yes, CD74ACT244E supports bidirectional data flow, allowing it to handle both input and output signals.

  6. Q: What is the propagation delay of CD74ACT244E? A: The propagation delay of CD74ACT244E is typically around 7ns.

  7. Q: Is CD74ACT244E compatible with TTL logic levels? A: Yes, CD74ACT244E is designed to be compatible with TTL logic levels, making it suitable for interfacing between different logic families.

  8. Q: Can CD74ACT244E drive capacitive loads? A: Yes, CD74ACT244E can drive capacitive loads up to a certain limit, typically around 50pF.

  9. Q: Does CD74ACT244E have any built-in protection features? A: CD74ACT244E includes input diodes that provide protection against electrostatic discharge (ESD) and other voltage spikes.

  10. Q: What are some common applications of CD74ACT244E? A: CD74ACT244E is commonly used in various digital systems, such as data communication interfaces, memory address buffering, bus drivers, and general-purpose logic level shifting.

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