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MC74LCX244DWG

MC74LCX244DWG

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: Low Voltage, High-Speed, Non-Inverting
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Logic Gate Buffer/Driver
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.3V to 3.6V
  • Input Voltage Range: GND to VCC
  • Output Voltage Range: GND to VCC
  • Maximum Input Current: ±10mA
  • Maximum Output Current: ±24mA
  • Propagation Delay Time: 4.5ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LCX244DWG has a total of 20 pins, which are arranged as follows:

__ __ A1 --| |--| |-- VCC B1 --| |--| |-- A2 C1 --| |--| |-- B2 D1 --| |--| |-- C2 E1 --| |--| |-- D2 F1 --| |--| |-- E2 G1 --| |--| |-- F2 GND --| |--| |-- G2 Y1 --| |--| |-- H2 Y2 --| |--| |-- Y3 H1 --| |--| |-- Y4 J1 --| |--| |-- H3 K1 --| |--| |-- J2 L1 --| |--| |-- K2 M1 --| |--| |-- L2 N1 --| |--| |-- M2 N2 --| |--| |-- N3 P1 --| |--| |-- N4 P2 --| |--| |-- P3 GND --|__|--|__|-- P4

Functional Features

  • Non-inverting logic level translation between different voltage domains.
  • High-speed operation with low propagation delay time.
  • Wide supply voltage range allows compatibility with various systems.
  • Provides buffering and driving capabilities for digital signals.

Advantages

  • Enables seamless communication between devices operating at different voltage levels.
  • Low power consumption due to its CMOS technology.
  • Compact package size allows for space-efficient designs.
  • High noise immunity ensures reliable signal transmission.

Disadvantages

  • Limited output current capability compared to specialized buffer/driver ICs.
  • Not suitable for applications requiring bidirectional level translation.
  • May not be compatible with very high-frequency signals.

Working Principles

The MC74LCX244DWG is based on CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes a combination of MOSFET transistors to achieve non-inverting logic level translation. The input signals are amplified and buffered, ensuring proper voltage levels are maintained while driving the output signals.

Detailed Application Field Plans

  • Level shifting in battery-powered portable devices.
  • Interfacing between microcontrollers and peripheral devices.
  • Communication between systems operating at different voltage levels.
  • Signal conditioning in industrial automation systems.
  • Logic level translation in automotive electronics.

Detailed and Complete Alternative Models

  • SN74LVC244A: Similar logic level translator with slightly different specifications.
  • 74HCT244: TTL (Transistor-Transistor Logic) based buffer/driver with higher output current capability.
  • CD74HC244: High-speed CMOS buffer/driver with comparable characteristics.

Note: The above alternative models are provided for reference and may have different pin configurations or package options.

This entry provides an overview of the MC74LCX244DWG, a logic level translator IC. It includes basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Énumérez 10 questions et réponses courantes liées à l'application de MC74LCX244DWG dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MC74LCX244DWG in technical solutions:

  1. Q: What is MC74LCX244DWG? A: MC74LCX244DWG is a specific type of integrated circuit (IC) known as a buffer/line driver. It is commonly used for signal amplification, buffering, and level shifting in digital circuits.

  2. Q: What is the operating voltage range of MC74LCX244DWG? A: The operating voltage range of MC74LCX244DWG is typically between 2.0V and 3.6V.

  3. Q: What is the maximum output current of MC74LCX244DWG? A: The maximum output current of MC74LCX244DWG is typically around 24mA.

  4. Q: Can MC74LCX244DWG be used for bidirectional communication? A: No, MC74LCX244DWG is a unidirectional buffer/line driver and cannot be used for bidirectional communication. For bidirectional communication, you would need a different IC, such as a transceiver.

  5. Q: What is the propagation delay of MC74LCX244DWG? A: The propagation delay of MC74LCX244DWG is typically around 4.5ns.

  6. Q: Can MC74LCX244DWG be used with both TTL and CMOS logic levels? A: Yes, MC74LCX244DWG is compatible with both TTL and CMOS logic levels, making it versatile for various applications.

  7. Q: Does MC74LCX244DWG have built-in ESD protection? A: Yes, MC74LCX244DWG has built-in ESD protection, which helps protect the IC from electrostatic discharge.

  8. Q: What is the package type of MC74LCX244DWG? A: MC74LCX244DWG is available in a standard SOIC (Small Outline Integrated Circuit) package.

  9. Q: Can MC74LCX244DWG drive capacitive loads? A: Yes, MC74LCX244DWG can drive small capacitive loads typically found in digital circuits. However, for larger capacitive loads, additional buffering may be required.

  10. Q: What are some common applications of MC74LCX244DWG? A: Some common applications of MC74LCX244DWG include level shifting, signal buffering, clock distribution, and interfacing between different logic families.

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