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SN74HCT244NSRG4

SN74HCT244NSRG4

Product Overview

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

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 74 MHz
  • Number of Buffers/Drivers: 8
  • Output Current: ±6mA
  • Propagation Delay Time: 13 ns (typical)

Detailed Pin Configuration

The SN74HCT244NSRG4 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

  • Non-inverting buffer/line driver
  • 3-state outputs for bus-oriented applications
  • High-speed operation suitable for various digital systems
  • CMOS compatible inputs for easy interfacing with other ICs
  • Wide supply voltage range allows flexibility in different applications

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - CMOS compatibility ensures easy integration with other ICs - 3-state outputs facilitate bus-oriented applications - Wide supply voltage range provides flexibility in different scenarios

Disadvantages: - Limited output current may restrict use in certain high-power applications - Propagation delay time may affect timing-sensitive systems

Working Principles

The SN74HCT244NSRG4 is a non-inverting octal buffer/line driver. It takes input signals from the A1 to A7 pins and amplifies them to drive corresponding outputs Y1 to Y8. The OE (Output Enable) 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, allowing other devices to drive the bus.

Detailed Application Field Plans

The SN74HCT244NSRG4 is commonly used in various digital systems and applications, including:

  1. Microcontrollers and microprocessors
  2. Memory systems
  3. Data communication interfaces
  4. Industrial automation
  5. Automotive electronics
  6. Consumer electronics

Its ability to interface with different logic families and its high-speed operation make it suitable for a wide range of applications.

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the SN74HCT244NSRG4 include:

  1. 74HC244: Similar functionality but operates at a higher voltage range (2V to 6V)
  2. SN74LS244: TTL compatible version with similar characteristics
  3. CD74HCT244: Another CMOS compatible octal buffer/line driver

These alternative models offer similar features and can be used as substitutes depending on specific requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SN74HCT244NSRG4 في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of SN74HCT244NSRG4 in technical solutions:

  1. Q: What is SN74HCT244NSRG4? A: SN74HCT244NSRG4 is a high-speed octal buffer/line driver with 3-state outputs, commonly used in digital systems.

  2. Q: What is the operating voltage range for SN74HCT244NSRG4? A: The operating voltage range for SN74HCT244NSRG4 is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current of SN74HCT244NSRG4? A: The maximum output current of SN74HCT244NSRG4 is typically 6mA.

  4. Q: Can SN74HCT244NSRG4 be used as a level shifter? A: Yes, SN74HCT244NSRG4 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many inputs and outputs does SN74HCT244NSRG4 have? A: SN74HCT244NSRG4 has 8 inputs and 8 outputs.

  6. Q: What is the propagation delay of SN74HCT244NSRG4? A: The propagation delay of SN74HCT244NSRG4 is typically around 11 ns.

  7. Q: Can SN74HCT244NSRG4 drive capacitive loads? A: Yes, SN74HCT244NSRG4 can drive capacitive loads up to 50pF.

  8. Q: Is SN74HCT244NSRG4 compatible with TTL logic levels? A: Yes, SN74HCT244NSRG4 is compatible with both TTL and CMOS logic levels.

  9. Q: Can SN74HCT244NSRG4 be used in bidirectional applications? A: No, SN74HCT244NSRG4 is a unidirectional buffer and cannot be used for bidirectional communication.

  10. Q: What is the package type of SN74HCT244NSRG4? A: SN74HCT244NSRG4 is available in an SOIC-20 package.

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