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SN74ALVCH244DW

SN74ALVCH244DW

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, low-voltage, non-inverting
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Logic level translation and signal buffering
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 2.4ns (typical)
  • Output Drive Strength: ±24mA
  • Number of Channels: 8

Detailed Pin Configuration

The SN74ALVCH244DW has a total of 20 pins, which are assigned as follows:

  • Pin 1: Output 1 (Y1)
  • Pin 2: Output 2 (Y2)
  • Pin 3: Output 3 (Y3)
  • Pin 4: Output 4 (Y4)
  • Pin 5: Output 5 (Y5)
  • Pin 6: Output 6 (Y6)
  • Pin 7: Output 7 (Y7)
  • Pin 8: Output 8 (Y8)
  • Pin 9: Ground (GND)
  • Pin 10: Input 1 (A1)
  • Pin 11: Input 2 (A2)
  • Pin 12: Input 3 (A3)
  • Pin 13: Input 4 (A4)
  • Pin 14: Input 5 (A5)
  • Pin 15: Input 6 (A6)
  • Pin 16: Input 7 (A7)
  • Pin 17: Input 8 (A8)
  • Pin 18: Enable (G)
  • Pin 19: VCC
  • Pin 20: Output Enable (OE)

Functional Features

The SN74ALVCH244DW is a non-inverting buffer/line driver IC that provides high-speed logic level translation and signal buffering. It operates at low voltage levels, making it suitable for use in battery-powered devices and other low-power applications. The device offers 8 channels of bidirectional buffering, allowing seamless communication between different voltage domains.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-voltage compatibility - Bidirectional buffering - Small package size - Wide operating temperature range

Disadvantages: - Limited number of channels - Requires external enable and output enable signals

Working Principles

The SN74ALVCH244DW works by receiving input signals from the A1 to A8 pins and translating them to the corresponding output signals on the Y1 to Y8 pins. The direction of data flow can be controlled using the Enable (G) and Output Enable (OE) pins. When the Enable pin is low, the device is active, and the input signals are translated to the output pins. When the Output Enable pin is low, the outputs are enabled, allowing the buffered signals to be transmitted.

Detailed Application Field Plans

The SN74ALVCH244DW is commonly used in various applications, including:

  1. Microcontrollers and microprocessors: It facilitates communication between devices operating at different voltage levels.
  2. Communication systems: It acts as a level translator between different logic families, ensuring proper signal integrity.
  3. Industrial automation: It enables bidirectional buffering of control signals in PLCs (Programmable Logic Controllers) and other industrial equipment.
  4. Battery-powered devices: Its low-voltage operation makes it suitable for use in portable electronics, such as smartphones and tablets.
  5. Automotive electronics: It provides level shifting capabilities for communication buses and sensor interfaces in automotive systems.

Detailed and Complete Alternative Models

  1. SN74ALVC164245DGGR
  2. SN74LVC244ADGVR
  3. SN74LVCH16245ADLR
  4. SN74AHC244PW
  5. SN74AHCT244PWR

These alternative models offer similar functionality and characteristics to the SN74ALVCH244DW, providing options for different package types, voltage ranges, and performance specifications.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN74ALVCH244DW trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of SN74ALVCH244DW:

  1. Question: What is SN74ALVCH244DW?
    Answer: SN74ALVCH244DW is a high-performance octal buffer and line driver with 3-state outputs.

  2. Question: What is the operating voltage range for SN74ALVCH244DW?
    Answer: The operating voltage range for SN74ALVCH244DW is 1.65V to 3.6V.

  3. Question: What is the maximum output current that SN74ALVCH244DW can drive?
    Answer: SN74ALVCH244DW can drive up to 24mA of output current.

  4. Question: Can SN74ALVCH244DW be used in both input and output applications?
    Answer: Yes, SN74ALVCH244DW can be used as both an input buffer and an output driver.

  5. Question: What is the maximum propagation delay of SN74ALVCH244DW?
    Answer: The maximum propagation delay of SN74ALVCH244DW is typically 3.8ns.

  6. Question: Does SN74ALVCH244DW have built-in ESD protection?
    Answer: Yes, SN74ALVCH244DW has built-in ESD protection on all inputs and outputs.

  7. Question: Can SN74ALVCH244DW be used in automotive applications?
    Answer: Yes, SN74ALVCH244DW is qualified for automotive applications according to AEC-Q100.

  8. Question: What is the package type for SN74ALVCH244DW?
    Answer: SN74ALVCH244DW is available in a standard SOIC-20 package.

  9. Question: Can SN74ALVCH244DW be used in high-speed data transmission?
    Answer: Yes, SN74ALVCH244DW is suitable for high-speed data transmission up to 400Mbps.

  10. Question: Are there any special considerations for PCB layout when using SN74ALVCH244DW?
    Answer: It is recommended to follow the guidelines provided in the datasheet for proper PCB layout and signal integrity.

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