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SN74LVC2244ADWRG4
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SN74LVC2244ADWRG4

Product Overview

  • Category: Integrated Circuit
  • Use: Buffer/Line Driver
  • Characteristics:
    • Low-voltage CMOS technology
    • High-speed operation
    • Wide operating voltage range
    • Schmitt-trigger inputs for noise immunity
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Logic Level Translator
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V 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: 3.8ns (typical)
  • Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74LVC2244ADWRG4 has a total of 20 pins arranged as follows:

___________ | | 1A |1 20| VCC 2A |2 19| 4A 1Y |3 18| 4Y 2Y |4 17| GND 1Z |5 16| 4Z 2Z |6 15| OE# 1B |7 14| 4B 2B |8 13| 4Y 1Y |9 12| 4A 2Y |10 11| GND |___________|

Functional Features

  • Bidirectional voltage-level translation between different logic levels
  • Non-inverting buffer/line driver functionality
  • Schmitt-trigger inputs for improved noise immunity
  • 3-state outputs for bus-oriented applications
  • High-speed operation suitable for high-frequency systems

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various systems - Schmitt-trigger inputs provide robustness against noise - High-speed operation enables efficient data transmission

Disadvantages: - Limited output drive capability may not be suitable for driving heavy loads - Only supports bidirectional translation, not suitable for unidirectional applications

Working Principles

The SN74LVC2244ADWRG4 is designed using low-voltage CMOS technology. It operates as a buffer/line driver, providing bidirectional voltage-level translation between different logic levels. The inputs are equipped with Schmitt-trigger circuitry, which helps in reducing the effects of noise. The device features 3-state outputs, allowing multiple devices to share a common bus. It operates within a wide voltage range and offers high-speed performance.

Detailed Application Field Plans

The SN74LVC2244ADWRG4 finds applications in various fields, including:

  1. Microcontroller interfacing: It can be used to interface microcontrollers operating at different voltage levels.
  2. Level shifting: It facilitates communication between devices operating at different logic levels, such as between 3.3V and 5V systems.
  3. Bus systems: The 3-state outputs make it suitable for use in bus-oriented systems, where multiple devices share a common data bus.

Detailed and Complete Alternative Models

  1. SN74LVC244A: Similar functionality but with 8-bit wide input/output ports.
  2. SN74LVC4245A: Provides 8-bit bidirectional voltage-level translation with direction control.

These alternative models offer similar features and can be considered based on specific application requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SN74LVC2244ADWRG4 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of SN74LVC2244ADWRG4:

  1. Q: What is SN74LVC2244ADWRG4? A: SN74LVC2244ADWRG4 is a quad buffer/driver with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the voltage supply range for SN74LVC2244ADWRG4? A: The voltage supply range for SN74LVC2244ADWRG4 is typically between 1.65V and 5.5V.

  3. Q: What is the maximum output current of SN74LVC2244ADWRG4? A: The maximum output current of SN74LVC2244ADWRG4 is typically around 32mA.

  4. Q: Can SN74LVC2244ADWRG4 be used as a level shifter? A: Yes, SN74LVC2244ADWRG4 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many input/output pins does SN74LVC2244ADWRG4 have? A: SN74LVC2244ADWRG4 has 8 input/output pins, divided into four independent buffers.

  6. Q: What is the propagation delay of SN74LVC2244ADWRG4? A: The propagation delay of SN74LVC2244ADWRG4 is typically around 4.3ns.

  7. Q: Is SN74LVC2244ADWRG4 compatible with both CMOS and TTL logic levels? A: Yes, SN74LVC2244ADWRG4 is compatible with both CMOS and TTL logic levels.

  8. Q: Can SN74LVC2244ADWRG4 be used in bidirectional applications? A: No, SN74LVC2244ADWRG4 is a unidirectional buffer/driver and cannot be used for bidirectional communication.

  9. Q: What is the operating temperature range for SN74LVC2244ADWRG4? A: The operating temperature range for SN74LVC2244ADWRG4 is typically between -40°C and 85°C.

  10. Q: Are there any recommended decoupling capacitors for SN74LVC2244ADWRG4? A: Yes, it is recommended to use a 0.1µF ceramic capacitor placed close to the VCC and GND pins of SN74LVC2244ADWRG4 for proper decoupling.

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