Texas Instruments
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SN74F244NSRE4
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SN74F244NSRE4

Product Overview

  • Category: Integrated Circuit
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, Non-Inverting, 3-State Output
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Logic Level Shifter
  • Packaging/Quantity: Tape and Reel, 2500 pieces 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: 6ns (typical)
  • Output Current: ±24mA
  • Input Capacitance: 3pF (typical)

Detailed Pin Configuration

The SN74F244NSRE4 has a 20-pin configuration with the following pin assignments:

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

Functional Features

The SN74F244NSRE4 is a high-speed buffer and line driver integrated circuit. It features non-inverting 3-state outputs, making it suitable for various applications where logic level shifting is required. The device operates with a supply voltage range of 4.5V to 5.5V and has a low propagation delay time of 6ns (typical). The output current capability of ±24mA allows it to drive high capacitive loads.

Advantages and Disadvantages

Advantages: - High-speed operation - Non-inverting 3-state outputs - Wide supply voltage range - Low propagation delay time

Disadvantages: - Limited input voltage range - Relatively high power consumption

Working Principles

The SN74F244NSRE4 functions as a buffer and line driver by amplifying and reshaping the input signals. It uses a combination of transistors and logic gates to achieve this functionality. When the output enable (OE) pin is high, the outputs are in the high-impedance state, allowing multiple devices to be connected together without interference. When the OE pin is low, the inputs are amplified and transmitted to the corresponding outputs.

Detailed Application Field Plans

The SN74F244NSRE4 can be used in various applications, including:

  1. Data communication systems
  2. Memory interfacing
  3. Address bus buffering
  4. Clock signal distribution
  5. Level shifting between different logic families

Detailed and Complete Alternative Models

  1. SN74LVC244A: Low Voltage CMOS Octal Buffer/Line Driver
  2. SN74HC244: High-Speed CMOS Octal Buffer/Line Driver
  3. SN74LVTH244A: Low Voltage TTL-Compatible Octal Buffer/Line Driver
  4. SN74ACT244: Advanced CMOS Octal Buffer/Line Driver

These alternative models offer similar functionality but may have different characteristics and specifications. It is important to select the appropriate model based on the specific requirements of the application.

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Énumérez 10 questions et réponses courantes liées à l'application de SN74F244NSRE4 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of SN74F244NSRE4 in technical solutions:

  1. Q: What is SN74F244NSRE4? A: SN74F244NSRE4 is a type of octal buffer and line driver integrated circuit (IC) manufactured by Texas Instruments.

  2. Q: What is the purpose of SN74F244NSRE4? A: SN74F244NSRE4 is used to provide buffering and signal amplification for digital signals in various electronic circuits.

  3. Q: What is the maximum voltage that SN74F244NSRE4 can handle? A: SN74F244NSRE4 can handle a maximum voltage of 5.5 volts.

  4. Q: How many channels does SN74F244NSRE4 have? A: SN74F244NSRE4 has 8 channels, which means it can handle up to 8 separate digital signals.

  5. Q: What is the maximum output current of SN74F244NSRE4? A: The maximum output current of SN74F244NSRE4 is typically around 15 milliamperes (mA).

  6. Q: Can SN74F244NSRE4 be used with both TTL and CMOS logic levels? A: Yes, SN74F244NSRE4 is compatible with both TTL and CMOS logic levels, making it versatile for different applications.

  7. Q: Does SN74F244NSRE4 require external power supply decoupling capacitors? A: Yes, it is recommended to use external power supply decoupling capacitors to ensure stable operation of SN74F244NSRE4.

  8. Q: What is the operating temperature range of SN74F244NSRE4? A: SN74F244NSRE4 can operate within a temperature range of -40°C to 85°C.

  9. Q: Can SN74F244NSRE4 be used in high-speed applications? A: Yes, SN74F244NSRE4 is designed for high-speed operation and can handle frequencies up to several megahertz.

  10. Q: Are there any specific precautions to consider when using SN74F244NSRE4? A: It is important to avoid exceeding the maximum voltage and current ratings, provide proper decoupling, and follow the recommended operating conditions mentioned in the datasheet.

Please note that these answers are general and may vary depending on the specific application and requirements. Always refer to the datasheet and consult with technical experts for accurate information.