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CD74FCT244ATM
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CD74FCT244ATM

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, low-power consumption
  • Package: Surface Mount Technology (SMT)
  • Essence: Logic gate buffer with tri-state outputs
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to Vcc
  • Output Voltage: 0V to Vcc
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 3.8ns (typical)
  • Output Current: ±24mA
  • Input Capacitance: 4pF (typical)

Detailed Pin Configuration

The CD74FCT244ATM IC has a total of 20 pins, which are assigned as follows:

  1. GND (Ground)
  2. A1 (Input A1)
  3. B1 (Input B1)
  4. Y1 (Output Y1)
  5. A2 (Input A2)
  6. B2 (Input B2)
  7. Y2 (Output Y2)
  8. GND (Ground)
  9. Y3 (Output Y3)
  10. OE (Output Enable)
  11. B3 (Input B3)
  12. A3 (Input A3)
  13. Y4 (Output Y4)
  14. GND (Ground)
  15. A4 (Input A4)
  16. B4 (Input B4)
  17. Y5 (Output Y5)
  18. A5 (Input A5)
  19. B5 (Input B5)
  20. VCC (Power Supply)

Functional Features

  • Tri-State Outputs: The CD74FCT244ATM has tri-state outputs, allowing the outputs to be disabled or put into a high-impedance state.
  • High-Speed Operation: With a propagation delay time of 3.8ns, this IC is capable of handling high-frequency signals efficiently.
  • Low-Power Consumption: The CD74FCT244ATM is designed to consume minimal power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Fast operation speed - Low power consumption - Tri-state outputs provide flexibility in signal routing

Disadvantages: - Limited voltage range (4.5V to 5.5V) - Relatively small input capacitance

Working Principles

The CD74FCT244ATM is a buffer/line driver IC that amplifies and buffers digital signals. It operates by receiving input signals on the A1-A5 and B1-B5 pins, and then driving the corresponding Y1-Y5 output pins. The OE (Output Enable) pin controls the tri-state outputs, allowing the outputs to be enabled or disabled.

Detailed Application Field Plans

The CD74FCT244ATM is commonly used in various applications, including:

  1. Microprocessor Interfacing: It can be used to interface microprocessors with other peripheral devices, such as memory modules or input/output devices.
  2. Data Communication Systems: The IC is suitable for buffering and driving data signals in communication systems, ensuring reliable transmission.
  3. Industrial Control Systems: It finds application in industrial control systems where it helps amplify and buffer control signals for actuators and sensors.
  4. Automotive Electronics: The CD74FCT244ATM is used in automotive electronics for signal conditioning and level shifting purposes.

Detailed and Complete Alternative Models

  1. SN74FCT244AT: Similar to CD74FCT244ATM, but available in different package options.
  2. MC74FCT244A: Another alternative with similar functionality, but from a different manufacturer.
  3. 74ACT244: A compatible alternative IC with slightly different characteristics.

These alternative models can be considered based on specific requirements and availability in the market.

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技術ソリューションにおける CD74FCT244ATM 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 CD74FCT244ATM in technical solutions:

  1. Q: What is CD74FCT244ATM? A: CD74FCT244ATM is a high-speed octal buffer/line driver with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the maximum operating voltage for CD74FCT244ATM? A: The maximum operating voltage for CD74FCT244ATM is typically 5.5V.

  3. Q: How many inputs and outputs does CD74FCT244ATM have? A: CD74FCT244ATM has 8 inputs and 8 outputs.

  4. Q: Can CD74FCT244ATM be used as a level shifter? A: Yes, CD74FCT244ATM can be used as a level shifter to convert signals between different voltage levels.

  5. Q: What is the maximum frequency at which CD74FCT244ATM can operate? A: CD74FCT244ATM can operate at frequencies up to several hundred megahertz (MHz).

  6. Q: Is CD74FCT244ATM compatible with TTL logic levels? A: Yes, CD74FCT244ATM is compatible with both TTL and CMOS logic levels.

  7. Q: Can CD74FCT244ATM drive capacitive loads directly? A: CD74FCT244ATM has limited output current capability, so it is recommended to use a buffer or driver to drive capacitive loads.

  8. Q: Does CD74FCT244ATM have built-in protection against electrostatic discharge (ESD)? A: Yes, CD74FCT244ATM typically has built-in ESD protection to safeguard against damage from static electricity.

  9. Q: Can CD74FCT244ATM be used in bidirectional data transfer applications? A: Yes, CD74FCT244ATM can be used for bidirectional data transfer by enabling the appropriate input and output pins.

  10. Q: What is the power supply voltage range for CD74FCT244ATM? A: The power supply voltage range for CD74FCT244ATM is typically between 4.5V and 5.5V.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for CD74FCT244ATM.