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SN74F244DB
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SN74F244DB

Product Overview

Category

SN74F244DB belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a buffer or line driver in digital systems.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • High noise immunity
  • Schmitt-trigger inputs for improved noise rejection

Package

SN74F244DB is available in a 20-pin SSOP (Shrink Small Outline Package) package.

Essence

The essence of SN74F244DB lies in its ability to provide signal buffering and driving capabilities, ensuring reliable data transmission within digital systems.

Packaging/Quantity

SN74F244DB is typically packaged in reels containing 2500 units.

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: 6ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

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

Functional Features

  • Octal buffer/driver with 3-state outputs
  • Non-inverting outputs
  • High output drive capability
  • TTL-compatible inputs

Advantages

  • Fast switching speed enables high-speed data transmission.
  • Wide operating voltage range allows compatibility with various systems.
  • Low power consumption reduces energy consumption.
  • High noise immunity ensures reliable signal integrity.
  • Schmitt-trigger inputs enhance noise rejection.

Disadvantages

  • Limited output current may restrict use in certain applications requiring higher drive capabilities.
  • 3-state outputs may introduce additional complexity in system design and control.

Working Principles

SN74F244DB operates by receiving input signals on its A1-A6 pins. These signals are then buffered and amplified before being transmitted through the corresponding Y1-Y8 output pins. The OE# pins control the output enable/disable functionality, allowing the device to be put into a high-impedance state when necessary.

Detailed Application Field Plans

SN74F244DB finds extensive application in digital systems where signal buffering and driving are required. Some specific application areas include:

  1. Microprocessor-based systems
  2. Data communication networks
  3. Memory interfaces
  4. Industrial automation
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. SN74LS244N: Similar octal buffer/driver IC with TTL-compatible inputs and non-inverting outputs.
  2. SN74HC244N: Octal buffer/driver IC with CMOS-compatible inputs and non-inverting outputs.
  3. SN74LVC244APW: Octal buffer/driver IC with low-voltage CMOS inputs and non-inverting outputs.

These alternative models offer similar functionality and can be used as substitutes for SN74F244DB depending on specific system requirements.

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Texniki həllərdə SN74F244DB tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

Sure! Here are 10 common questions and answers related to the application of SN74F244DB:

  1. Q: What is SN74F244DB? A: SN74F244DB is a specific model of octal buffer and line driver integrated circuit (IC) manufactured by Texas Instruments.

  2. Q: What is the purpose of SN74F244DB? A: SN74F244DB is used to provide buffering and signal amplification for digital signals in various technical solutions.

  3. Q: What is the maximum voltage that SN74F244DB can handle? A: SN74F244DB can handle a maximum voltage of 5.5 volts.

  4. Q: How many input/output pins does SN74F244DB have? A: SN74F244DB has 20 pins, with 8 input pins and 8 output pins.

  5. Q: Can SN74F244DB be used for bidirectional communication? A: Yes, SN74F244DB supports bidirectional communication as it has separate input and output pins.

  6. Q: What is the maximum operating frequency of SN74F244DB? A: The maximum operating frequency of SN74F244DB is typically around 100 MHz.

  7. Q: Is SN74F244DB compatible with TTL logic levels? A: Yes, SN74F244DB is compatible with TTL (Transistor-Transistor Logic) logic levels.

  8. Q: Can SN74F244DB be used in high-speed data transfer applications? A: Yes, SN74F244DB is suitable for high-speed data transfer applications due to its fast propagation delay.

  9. Q: Does SN74F244DB require external power supply decoupling capacitors? A: Yes, it is recommended to use external power supply decoupling capacitors for stable operation of SN74F244DB.

  10. Q: What are some common applications of SN74F244DB? A: SN74F244DB is commonly used in microprocessor systems, memory interfacing, bus drivers, and other digital logic applications.

Please note that the answers provided here are general and may vary depending on specific design considerations and requirements.