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SN74AHCT244DBR
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SN74AHCT244DBR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-Speed, CMOS Logic, Octal Bus Buffer
  • Package: SSOP-20
  • Essence: The SN74AHCT244DBR is an octal bus buffer that provides high-speed, non-inverting buffering for a wide range of digital signals.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 6 ns (typical)
  • Output Drive Capability: ±24 mA
  • Input Capacitance: 3 pF (typical)

Detailed Pin Configuration

The SN74AHCT244DBR has a total of 20 pins arranged in a SSOP package. 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. VCC
  18. OE#
  19. GND
  20. OE#

Functional Features

  • Non-Inverting Buffer: The SN74AHCT244DBR provides non-inverting buffering, ensuring that the output signal matches the input signal.
  • High-Speed Operation: With a propagation delay time of only 6 ns, this IC is capable of handling high-speed digital signals.
  • CMOS Logic: The IC utilizes CMOS logic, which offers low power consumption and high noise immunity.

Advantages and Disadvantages

Advantages: - High-Speed Operation - Non-Inverting Buffering - Low Power Consumption

Disadvantages: - Limited Supply Voltage Range (4.5V to 5.5V) - Limited Operating Temperature Range (-40°C to +85°C)

Working Principles

The SN74AHCT244DBR operates by receiving digital input signals on its A1-A7 pins. These signals are then buffered and amplified by the internal circuitry. The non-inverting nature of the buffer ensures that the output signals on the Y1-Y8 pins match the input signals. The OE# pins control the enable/disable functionality of the buffer.

Detailed Application Field Plans

The SN74AHCT244DBR is commonly used in various applications, including:

  1. Data Communication Systems: It can be used to buffer and amplify digital signals in data communication systems, ensuring reliable transmission.
  2. Microcontroller Interfacing: The IC can be utilized to interface microcontrollers with other digital devices, providing signal buffering and level shifting capabilities.
  3. Memory Systems: It can be employed in memory systems to enhance signal integrity and drive capability for address and data buses.
  4. Industrial Automation: The IC finds application in industrial automation systems where it buffers and amplifies digital signals for control and monitoring purposes.

Detailed and Complete Alternative Models

  1. SN74AHCT125: Quad Bus Buffer Gates with 3-State Outputs
  2. SN74AHCT541: Octal Buffer/Line Driver with 3-State Outputs
  3. SN74AHCT573: Octal Transparent D-Type Latches with 3-State Outputs
  4. SN74AHCT595: 8-Bit Shift Registers with 3-State Output Registers

These alternative models offer similar functionality and characteristics to the SN74AHCT244DBR, providing options for different design requirements.

Word count: 442 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74AHCT244DBR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74AHCT244DBR:

  1. Q: What is SN74AHCT244DBR? A: SN74AHCT244DBR is a type of integrated circuit (IC) that functions as an octal buffer/line driver with 3-state outputs.

  2. Q: What is the purpose of SN74AHCT244DBR? A: SN74AHCT244DBR is used to amplify and buffer digital signals, allowing them to be transmitted over longer distances or to multiple devices.

  3. Q: What voltage levels does SN74AHCT244DBR support? A: SN74AHCT244DBR supports a wide range of voltage levels, typically between 2V and 5.5V.

  4. Q: How many inputs and outputs does SN74AHCT244DBR have? A: SN74AHCT244DBR has 8 inputs and 8 outputs, making it suitable for applications requiring multiple signal lines.

  5. Q: Can SN74AHCT244DBR handle bidirectional communication? A: No, SN74AHCT244DBR is unidirectional and can only drive signals in one direction.

  6. Q: What is the maximum current that SN74AHCT244DBR can source or sink? A: SN74AHCT244DBR can source or sink up to 8mA of current per output pin.

  7. Q: Is SN74AHCT244DBR compatible with TTL logic levels? A: Yes, SN74AHCT244DBR is designed to be compatible with both TTL and CMOS logic levels.

  8. Q: Can SN74AHCT244DBR operate at high speeds? A: Yes, SN74AHCT244DBR is capable of operating at high speeds, with typical propagation delays in the nanosecond range.

  9. Q: Can I connect multiple SN74AHCT244DBR ICs together? A: Yes, multiple SN74AHCT244DBR ICs can be connected together to increase the number of inputs and outputs.

  10. Q: What are some common applications for SN74AHCT244DBR? A: SN74AHCT244DBR is commonly used in digital systems, such as microcontrollers, memory interfaces, bus drivers, and general-purpose logic level shifting.

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