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SN74ALVCH244NSRE4
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SN74ALVCH244NSRE4

Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics:
    • Low Voltage CMOS Technology
    • High-Speed Operation
    • Wide Operating Voltage Range
    • 3-State Outputs
  • Package: SOIC-20
  • Essence: The SN74ALVCH244NSRE4 is a high-performance buffer/line driver IC that operates at low voltage levels and provides fast signal transmission.
  • Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Supply Voltage: 1.65V to 3.6V
  • Input Voltage Levels:
    • High Level (VIH): 2.0V to VCC + 0.5V
    • Low Level (VIL): -0.5V to 0.8V
  • Output Voltage Levels:
    • High Level (VOH): VCC - 0.5V
    • Low Level (VOL): 0.5V
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 2.7ns (Max) at 3.3V
  • Output Drive Capability: ±24mA

Pin Configuration

The SN74ALVCH244NSRE4 has a total of 20 pins, which are assigned as follows:

___________ A1 | | VCC A2 | | B1 A3 | | B2 A4 | | B3 A5 | | B4 GND | | B5 Y1 | | OE# Y2 | | A1 Y3 | | A2 Y4 | | A3 Y5 | | A4 GND |___________| A5

Functional Features

  • High-Speed Operation: The SN74ALVCH244NSRE4 can operate at high frequencies, making it suitable for applications that require fast signal transmission.
  • 3-State Outputs: The IC has 3-state outputs, allowing multiple devices to be connected to a common bus without interference.
  • Low Voltage CMOS Technology: It operates at low voltage levels, reducing power consumption and enabling compatibility with modern electronic systems.
  • Wide Operating Voltage Range: The IC can operate within a wide voltage range, providing flexibility in various applications.

Advantages

  • Fast signal transmission due to high-speed operation.
  • Low power consumption thanks to low voltage CMOS technology.
  • Compatibility with a wide range of electronic systems due to the wide operating voltage range.
  • Ability to connect multiple devices to a common bus without interference using 3-state outputs.

Disadvantages

  • Limited output drive capability compared to some other buffer/line driver ICs.
  • May not be suitable for applications requiring very high output currents.

Working Principles

The SN74ALVCH244NSRE4 is designed to amplify and buffer digital signals. It operates by receiving input signals on the A1-A5 pins and providing amplified output signals on the Y1-Y5 pins. The OE# pin controls the output enable/disable function. When OE# is low, the outputs are enabled, and when OE# is high, the outputs are disabled (high impedance state).

Application Field Plans

The SN74ALVCH244NSRE4 is commonly used in various applications, including:

  1. Data Communication Systems: It can be used to buffer and transmit data signals between different components of communication systems.
  2. Computer Systems: The IC can be employed to interface between different parts of a computer system, ensuring reliable signal transmission.
  3. Industrial Automation: It finds applications in industrial automation systems for buffering and driving signals between various control units.
  4. Automotive Electronics: The IC is suitable for automotive electronics applications that require low voltage operation and high-speed signal transmission.

Alternative Models

  1. SN74LVC244A: This IC offers similar functionality but operates at a lower voltage range (1.65V to 3.6V).
  2. SN74LVTH244A: It provides higher output drive capability compared to the SN74ALVCH244NSRE4.
  3. SN74AHC244: This IC operates at a higher voltage range (2V to 5.5V) and offers improved noise immunity.

These alternative models can be considered based on specific application requirements and design constraints.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN74ALVCH244NSRE4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of SN74ALVCH244NSRE4 in technical solutions:

  1. Q: What is SN74ALVCH244NSRE4? A: SN74ALVCH244NSRE4 is a non-inverting octal buffer and line driver with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the voltage supply range for SN74ALVCH244NSRE4? A: The voltage supply range for SN74ALVCH244NSRE4 is typically between 1.65V and 3.6V.

  3. Q: What is the maximum output current that SN74ALVCH244NSRE4 can drive? A: SN74ALVCH244NSRE4 can drive up to 24mA of output current per channel.

  4. Q: Can SN74ALVCH244NSRE4 be used as a level shifter? A: Yes, SN74ALVCH244NSRE4 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many channels does SN74ALVCH244NSRE4 have? A: SN74ALVCH244NSRE4 has 8 channels, making it suitable for applications requiring multiple signal buffering.

  6. Q: What is the propagation delay of SN74ALVCH244NSRE4? A: The typical propagation delay of SN74ALVCH244NSRE4 is around 2.7ns.

  7. Q: Is SN74ALVCH244NSRE4 compatible with both CMOS and TTL logic levels? A: Yes, SN74ALVCH244NSRE4 is compatible with both CMOS and TTL logic levels, making it versatile for various applications.

  8. Q: Can SN74ALVCH244NSRE4 be used in high-speed data transmission applications? A: Yes, SN74ALVCH244NSRE4 is suitable for high-speed data transmission applications due to its low propagation delay and high output drive capability.

  9. Q: Does SN74ALVCH244NSRE4 have built-in ESD protection? A: Yes, SN74ALVCH244NSRE4 has built-in ESD protection, ensuring robustness against electrostatic discharge events.

  10. Q: What is the package type of SN74ALVCH244NSRE4? A: SN74ALVCH244NSRE4 is available in a small-outline integrated circuit (SOIC) package, which is commonly used in electronic designs.

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