Texas Instruments
Hình ảnh có thể mang tính chất minh họa.
Xem thông số kỹ thuật để biết chi tiết sản phẩm.
SN74AHC244DWR
Xem chi tiết DataSheets

SN74AHC244DWR

Product Overview

Category

SN74AHC244DWR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal amplification and buffering in various electronic devices.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Schmitt-trigger inputs for noise immunity
  • 3-state outputs for bus-oriented applications

Package

SN74AHC244DWR is available in a standard SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74AHC244DWR lies in its ability to amplify and buffer signals effectively, ensuring reliable data transmission within electronic systems.

Packaging/Quantity

SN74AHC244DWR is typically packaged in reels containing a quantity of 2500 units.

Specifications

  • Supply Voltage: 2V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 6 ns (max)
  • Output Current: ±8 mA

Detailed Pin Configuration

SN74AHC244DWR consists of 20 pins arranged as follows:

___________ | | 1 | 20 | GND 2 | 19 | A1 3 | 18 | B1 4 | 17 | Y1 5 | 16 | A2 6 | 15 | B2 7 | 14 | Y2 8 | 13 | OE# 9 | 12 | VCC 10 | 11 | GND |___________|

Functional Features

  • High-speed signal amplification and buffering
  • Noise immunity due to Schmitt-trigger inputs
  • 3-state outputs for bus-oriented applications
  • Wide operating voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data transmission
  • Low power consumption helps conserve energy
  • Schmitt-trigger inputs provide noise immunity, ensuring reliable signal processing
  • 3-state outputs facilitate bus-oriented applications

Disadvantages

  • Limited output current may restrict usage in certain high-power applications
  • Propagation delay time of 6 ns (max) may affect real-time applications requiring faster response times

Working Principles

SN74AHC244DWR operates by receiving input signals through its A1-A2 and B1-B2 pins. These signals are amplified and buffered internally before being transmitted to the corresponding Y1-Y2 output pins. The OE# pin controls the output enable/disable functionality.

Detailed Application Field Plans

SN74AHC244DWR finds extensive application in various electronic devices and systems, including: - Microcontrollers - Data communication equipment - Industrial automation systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74AHC244DWR include: - SN74LVC244A - SN74HCT244 - SN74LVCH244A - SN74ACT244

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable IC for specific applications.

Word count: 420 words

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN74AHC244DWR trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of SN74AHC244DWR:

  1. Question: What is SN74AHC244DWR?
    Answer: SN74AHC244DWR is a type of octal buffer/line driver integrated circuit (IC) that can be used in various technical solutions.

  2. Question: What is the purpose of SN74AHC244DWR?
    Answer: SN74AHC244DWR is designed to provide buffering and line driving capabilities, allowing it to interface between different logic levels or drive signals over long distances.

  3. Question: What voltage levels does SN74AHC244DWR support?
    Answer: SN74AHC244DWR supports voltage levels from 2 V to 5.5 V, making it compatible with a wide range of digital systems.

  4. Question: How many channels does SN74AHC244DWR have?
    Answer: SN74AHC244DWR has 8 channels, which means it can handle up to 8 input/output lines.

  5. Question: Can SN74AHC244DWR be used for bidirectional communication?
    Answer: Yes, SN74AHC244DWR supports bidirectional communication, allowing data to be transmitted in both directions.

  6. Question: What is the maximum output current of SN74AHC244DWR?
    Answer: The maximum output current of SN74AHC244DWR is typically around 8 mA, which is sufficient for most digital applications.

  7. Question: Can SN74AHC244DWR be used in high-speed applications?
    Answer: Yes, SN74AHC244DWR is designed for high-speed operation and can handle frequencies up to several hundred megahertz.

  8. Question: Does SN74AHC244DWR have any built-in protection features?
    Answer: Yes, SN74AHC244DWR has built-in electrostatic discharge (ESD) protection to safeguard against damage during handling and operation.

  9. Question: Can SN74AHC244DWR be cascaded with other ICs?
    Answer: Yes, SN74AHC244DWR can be easily cascaded with other similar ICs to expand the number of input/output lines or drive multiple devices.

  10. Question: What is the package type of SN74AHC244DWR?
    Answer: SN74AHC244DWR comes in a standard SOIC-20 package, which is widely used and easy to solder onto a PCB.

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